diff options
Diffstat (limited to 'jurt/com/sun/star/lib/uno/environments')
15 files changed, 2021 insertions, 0 deletions
diff --git a/jurt/com/sun/star/lib/uno/environments/java/java_environment.java b/jurt/com/sun/star/lib/uno/environments/java/java_environment.java new file mode 100644 index 000000000000..7be0f9e5366d --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/java/java_environment.java @@ -0,0 +1,311 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package com.sun.star.lib.uno.environments.java; + +import com.sun.star.uno.IEnvironment; +import com.sun.star.uno.Type; +import com.sun.star.uno.UnoRuntime; +import java.lang.ref.ReferenceQueue; +import java.lang.ref.WeakReference; +import java.util.HashMap; +import java.util.Iterator; + +/** + * The java_environment is the environment where objects and + * interfaces are registered, which are mapped out of java or + * into java. + * + * <p>The java_environment implements the <code>IEnvironment</code> interface + * defined in the uno runtime.</p> + * + * @see com.sun.star.uno.UnoRuntime + * @see com.sun.star.uno.IEnvironment + * @since UDK1.0 + */ +public final class java_environment implements IEnvironment { + public java_environment(Object context) { + this.context = context; + } + + // @see com.sun.star.uno.IEnvironment#getContext + public Object getContext() { + return context; + } + + // @see com.sun.star.uno.IEnvironment#getName + public String getName() { + return "java"; + } + + // @see com.sun.star.uno.IEnvironment#registerInterface + public Object registerInterface(Object object, String[] oid, Type type) { + if (oid[0] == null) { + oid[0] = UnoRuntime.generateOid(object); + } + return (isProxy(object) ? proxies : localObjects).register( + object, oid[0], type); + } + + /** + * You have to revoke ANY interface that has been registered via this + * method. + * + * @param oid object id of interface to be revoked + * @param type the type description of the interface + * @see com.sun.star.uno.IEnvironment#revokeInterface + */ + public void revokeInterface(String oid, Type type) { + if (!proxies.revoke(oid, type)) { + localObjects.revoke(oid, type); + } + } + + /** + * Retrieves an interface identified by its object id and type from this + * environment. + * + * @param oid object id of interface to be retrieved + * @param type the type description of the interface to be retrieved + * @see com.sun.star.uno.IEnvironment#getRegisteredInterface + */ + public Object getRegisteredInterface(String oid, Type type) { + Object o = proxies.get(oid, type); + if (o == null) { + o = localObjects.get(oid, type); + } + return o; + } + + /** + * Retrieves the object identifier for a registered interface from this + * environment. + * + * @param object a registered interface + * @see com.sun.star.uno.IEnvironment#getRegisteredObjectIdentifier + */ + public String getRegisteredObjectIdentifier(Object object) { + return UnoRuntime.generateOid(object); + } + + // @see com.sun.star.uno.IEnvironment#list + public void list() { +// TODO??? +// synchronized (proxies) { +// System.err.println("##### " + getClass().getName() + ".list: " +// + getName() + ", " + getContext()); +// for (Iterator it = proxies.values().iterator(); it.hasNext();) { +// System.err.println("#### entry: " + it.next()); +// } +// } + } + + /** + * Revokes all registered proxy interfaces. + * + * <p>This method should be part of <code>IEnvironment</code>. It is called + * from <code>com.sun.star.lib.uno.bridges.java_remote.<!-- + * -->java_remote_bridge.dispose</code>.</p> + */ + public void revokeAllProxies() { + proxies.clear(); + } + + // TODO What's this??? java.lang.Object#equals requires reflexivity... + // + // Maybe this was hacked in so that different bridges use different + // instances of java_environment. That is desirable for the following + // reason: An OID is bridged in over bridge A, a proxy is created on the + // Java side, and recorded in the java_environment. The same OID is then + // bridged in over another bridge B. If there were only one + // java_environment shared by both bridges, the proxy from bridge A would be + // reused. If now bridge A is taken down programatically (e.g., because + // some controlling code somehow deduced that no objects are mapped over + // that bridge any longer), but the proxy is still used by bridge B, using + // the proxy would now result in errors. The explicit API to control + // bridges forbids to transparently share proxies between bridges, and using + // different java_environment instances for different bridges is the way to + // enforce this. + public boolean equals(Object obj) { + return false; + } + + private static final class Registry { + public synchronized Object register( + Object object, String oid, Type type) + { + cleanUp(); + Level1Entry l1 = level1map.get(oid); + if (l1 != null) { + Level2Entry l2 = l1.level2map.get(type); + if (l2 != null) { + Object o = l2.get(); + if (o != null) { + l2.acquire(); + return o; + } + } + } + // TODO If a holder references an unreachable object, but still has + // a positive count, it is replaced with a new holder (referencing a + // reachable object, and with a count of 1). Any later calls to + // revoke that should decrement the count of the previous holder + // would now decrement the count of the new holder, removing it + // prematurely. This is a design flaw that will be fixed when + // IEnvironment.revokeInterface is changed to no longer use + // counting. (And this problem is harmless, as currently a holder + // either references a strongly held object and uses register/revoke + // to control it, or references a weakly held proxy and never + // revokes it.) + if (l1 == null) { + l1 = new Level1Entry(); + level1map.put(oid, l1); + } + l1.level2map.put(type, new Level2Entry(oid, type, object, queue)); + return object; + } + + public synchronized boolean revoke(String oid, Type type) { + Level1Entry l1 = level1map.get(oid); + Level2Entry l2 = null; + if (l1 != null) { + l2 = l1.level2map.get(type); + if (l2 != null && l2.release()) { + removeLevel2Entry(l1, oid, type); + } + } + cleanUp(); + return l2 != null; + } + + public synchronized Object get(String oid, Type type) { + Level1Entry l1 = level1map.get(oid); + return l1 == null ? null : l1.find(type); + } + + public synchronized void clear() { + level1map.clear(); + cleanUp(); + } + + // must only be called while synchronized on this Registry: + private void cleanUp() { + for (;;) { + Level2Entry l2 = (Level2Entry) queue.poll(); + if (l2 == null) { + break; + } + // It is possible that a Level2Entry e1 for the OID/type pair + // (o,t) becomes weakly reachable, then another Level2Entry e2 + // is registered for the same pair (o,t) (a new Level2Entry is + // created since now e1.get() == null), and only then e1 is + // enqueued. To not erroneously remove the new e2 in that case, + // check whether the map still contains e1: + Level1Entry l1 = level1map.get(l2.oid); + if (l1 != null && l1.level2map.get(l2.type) == l2) { + removeLevel2Entry(l1, l2.oid, l2.type); + } + } + } + + // must only be called while synchronized on this Registry: + private void removeLevel2Entry(Level1Entry l1, String oid, Type type) { + l1.level2map.remove(type); + if (l1.level2map.isEmpty()) { + level1map.remove(oid); + } + } + + private static final class Level1Entry { + // must only be called while synchronized on enclosing Registry: + public Object find(Type type) { + // First, look for an exactly matching entry; then, look for an + // arbitrary entry for a subtype of the request type: + Level2Entry l2 = level2map.get(type); + if (l2 != null) { + Object o = l2.get(); + if (o != null) { + return o; + } + } + for (Iterator<Level2Entry> i = level2map.values().iterator(); + i.hasNext();) + { + l2 = i.next(); + if (type.isSupertypeOf(l2.type)) { + Object o = l2.get(); + if (o != null) { + return o; + } + } + } + return null; + } + + public final HashMap<Type, Level2Entry> level2map = + new HashMap<Type, Level2Entry>(); + } + + private static final class Level2Entry extends WeakReference<Object> { + public Level2Entry( + String oid, Type type, Object object, ReferenceQueue queue) + { + super(object, queue); + this.oid = oid; + this.type = type; + } + + // must only be called while synchronized on enclosing Registry: + public void acquire() { + ++count; + } + + // must only be called while synchronized on enclosing Registry: + public boolean release() { + return --count == 0; + } + + public final String oid; + public final Type type; + + private int count = 1; + } + + private final HashMap<String, Level1Entry> level1map = + new HashMap<String, Level1Entry>(); + private final ReferenceQueue queue = new ReferenceQueue(); + } + + private boolean isProxy(Object object) { + return object instanceof com.sun.star.lib.uno.Proxy; + } + + private static final Registry localObjects = new Registry(); + + private final Object context; + private final Registry proxies = new Registry(); +} diff --git a/jurt/com/sun/star/lib/uno/environments/java/makefile.mk b/jurt/com/sun/star/lib/uno/environments/java/makefile.mk new file mode 100644 index 000000000000..de9bb6178f4f --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/java/makefile.mk @@ -0,0 +1,44 @@ +#************************************************************************* +# +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +# +# Copyright 2000, 2010 Oracle and/or its affiliates. +# +# OpenOffice.org - a multi-platform office productivity suite +# +# This file is part of OpenOffice.org. +# +# OpenOffice.org is free software: you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License version 3 +# only, as published by the Free Software Foundation. +# +# OpenOffice.org is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Lesser General Public License version 3 for more details +# (a copy is included in the LICENSE file that accompanied this code). +# +# You should have received a copy of the GNU Lesser General Public License +# version 3 along with OpenOffice.org. If not, see +# <http://www.openoffice.org/license.html> +# for a copy of the LGPLv3 License. +# +#************************************************************************* + +PRJ = ..$/..$/..$/..$/..$/..$/.. +PRJNAME = jurt +PACKAGE = com$/sun$/star$/lib$/uno$/environments$/java +TARGET = com_sun_star_lib_uno_environments_java + +# --- Settings ----------------------------------------------------- + +.INCLUDE : $(PRJ)$/util$/makefile.pmk + +# --- Files -------------------------------------------------------- + +JAVAFILES = java_environment.java + +# --- Targets ------------------------------------------------------ + +.INCLUDE : target.mk + diff --git a/jurt/com/sun/star/lib/uno/environments/remote/IProtocol.java b/jurt/com/sun/star/lib/uno/environments/remote/IProtocol.java new file mode 100644 index 000000000000..1fae45e9ca23 --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/remote/IProtocol.java @@ -0,0 +1,97 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package com.sun.star.lib.uno.environments.remote; + +import com.sun.star.lib.uno.typedesc.TypeDescription; +import java.io.IOException; + +/** + * An abstraction of remote bridge protocols. + * + * <p>A class implementing a given protocol <var>prot</var> must be named + * <code>com.sun.star.lib.uno.protocols.<var>prot</var>.<var>prot</var></code> + * and must have a public constructor that takes four arguments: The first + * argument of type <code>com.sun.star.uno.IBridge</code> must not be null. The + * second argument of type <code>String</code> represents any attributes; it may + * be null if there are no attributes. The third argument of type + * <code>java.io.InputStream</code> must not be null. The fourth argument of + * type <code>java.io.OutputStream</code> must not be null.</p> + */ +public interface IProtocol { + /** + * Initializes the connection. + * + * <p>This method must be called exactly once, after the + * <code>readMessage</code> loop has already been established.</p> + */ + void init() throws IOException; + + /** + * Reads a request or reply message. + * + * <p>Access to this method from multiple threads must be properly + * synchronized.</p> + * + * @return a non-null message; if the input stream is exhausted, a + * <code>java.io.IOException</code> is thrown instead + */ + Message readMessage() throws IOException; + + /** + * Writes a request message. + * + * @param oid a non-null OID + * @param type a non-null UNO type + * @param function a non-null function (the name of a UNO interface method + * or attribute compatible with the given <code>type</code>, or either + * <code>"queryInterface"</code> or <code>"release"</code>) + * @param threadId a non-null TID + * @param arguments a list of UNO arguments compatible with the given + * <code>type</code> and <code>function</code>; may be null to represent + * an empty list + * @return <code>true</code> if the request message is sent as a synchronous + * request + */ + boolean writeRequest( + String oid, TypeDescription type, String function, ThreadId tid, + Object[] arguments) + throws IOException; + + /** + * Writes a reply message. + * + * @param exception <code>true</code> if the reply corresponds to a raised + * exception + * @param tid a non-null TID + * @param result if <code>exception</code> is <code>true</code>, a non-null + * UNO exception; otherwise, a UNO return value, which may be null to + * represent a <code>VOID</code> return value + */ + void writeReply(boolean exception, ThreadId tid, Object result) + throws IOException; +} diff --git a/jurt/com/sun/star/lib/uno/environments/remote/IReceiver.java b/jurt/com/sun/star/lib/uno/environments/remote/IReceiver.java new file mode 100644 index 000000000000..be4548e5ebc0 --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/remote/IReceiver.java @@ -0,0 +1,48 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package com.sun.star.lib.uno.environments.remote; + +/** + * An abstraction for giving back a reply for a request. + * + * @version $Revision: 1.6 $ $ $Date: 2008-04-11 11:19:43 $ + * @author Kay Ramme + * @see com.sun.star.uno.IQueryInterface + */ +public interface IReceiver { + /** + * Send back a reply for a request. + * + * @param exception <CODE>true</CODE> if an exception (instead of a normal + * result) is sent back. + * @param threadId the thread ID of the request. + * @param result the result of executing the request, or an exception thrown + * while executing the request. + */ + void sendReply(boolean exception, ThreadId threadId, Object result); +} diff --git a/jurt/com/sun/star/lib/uno/environments/remote/IThreadPool.java b/jurt/com/sun/star/lib/uno/environments/remote/IThreadPool.java new file mode 100644 index 000000000000..c70ccfa7e934 --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/remote/IThreadPool.java @@ -0,0 +1,127 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package com.sun.star.lib.uno.environments.remote; + +/** + * This interface is an abstraction of the various + * threadpool implementations. + * <p> + * @version $Revision: 1.7 $ $ $Date: 2008-04-11 11:20:01 $ + * @author Joerg Budischewski + * @author Kay Ramme + * @see com.sun.star.lib.uno.environments.remote.ThreadPoolFactory + * @see com.sun.star.lib.uno.environments.remote.IThreadPoolFactory + * @since UDK1.0 + */ +public interface IThreadPool { + /** + * Retrieves the global threadId for the current thread. + * <p> + * @return the thread id + */ + ThreadId getThreadId(); + + /** + * Attaches this thread to the thread pool. + * <p> + * @see #enter + */ + public void attach(); + + /** + * As above, but hands in an already existing + * instance of the threadid of the current thread. + * Returns a handle which can be used in enter and + * detach calls.<p> + * The function exists for performance + * optimization reasons. + * @see #attach + */ + public Object attach( ThreadId id ); + + /** + * Detaches this thread from the thread pool. + * @see #enter + */ + public void detach(); + + /** + * As above, but hands in an already existing + * instance of the threadid of the current thread + * and a handle returned by attach. + * The function exists for performance + * optimization reasons. + * @see #attach,#detach + */ + public void detach( Object handle, ThreadId id ); + + /** + * Lets this thread enter the thread pool. + * This thread then executes all jobs put via + * <code>putJob</code> until a reply job arrives. + * <p> + * @see #putJob + */ + public Object enter() throws Throwable; + + /** + * as above but hands in an already existing + * instance of the threadid of the current thread + * and a handle returned by attach. + * This thread then executes all jobs put via + * <code>putJob</code> until a reply job arrives. + * <p> + * @see #putJob + */ + public Object enter( Object handle, ThreadId id ) throws Throwable; + + /** + * Queues a job into the jobQueue of the thread belonging + * to the jobs threadId. + * <p> + * @param job the job + */ + public void putJob(Job job); + + /** + * Disposes this thread pool, thus releasing + * all threads by throwing the given + * <code>Throwable</code>. + * <p> + * @param throwing the Throwable + */ + public void dispose(Throwable throwable); + + + /** + * Destroys the thread pool and tries + * to join all created threads immediatly. + */ + public void destroy(); +} + diff --git a/jurt/com/sun/star/lib/uno/environments/remote/JavaThreadPool.java b/jurt/com/sun/star/lib/uno/environments/remote/JavaThreadPool.java new file mode 100644 index 000000000000..3b1fee02b87d --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/remote/JavaThreadPool.java @@ -0,0 +1,132 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package com.sun.star.lib.uno.environments.remote; + +/** + * This class implements a java thread pool. + * <p> + * @version $Revision: 1.13 $ $ $Date: 2008-04-11 11:20:22 $ + * @author Kay Ramme + * @see com.sun.star.uno.UnoRuntime + * @see com.sun.star.lib.uno.environments.remote.ThreadPool + * @see com.sun.star.lib.uno.environments.remote.IThreadPool + * @see com.sun.star.lib.uno.environments.remote.Job + * @see com.sun.star.lib.uno.environments.remote.JobQueue + * @since UDK1.0 + */ +public class JavaThreadPool implements IThreadPool { + /** + * When set to true, enables various debugging output. + */ + private static final boolean DEBUG = false; + + JavaThreadPoolFactory _javaThreadPoolFactory; + + JavaThreadPool(JavaThreadPoolFactory javaThreadPoolFactory) { + _javaThreadPoolFactory = javaThreadPoolFactory; + } + + public ThreadId getThreadId() { + return JavaThreadPoolFactory.getThreadId(); + } + + public Object attach( ThreadId threadId ) + { + if(DEBUG) System.err.println("##### " + getClass().getName() + ".attach - id:" + threadId); + JobQueue jobQueue = _javaThreadPoolFactory.getJobQueue(threadId); + if(jobQueue == null) + jobQueue = new JobQueue(_javaThreadPoolFactory, threadId, false); + + // acquiring the jobQueue registers it at the ThreadPoolFactory + jobQueue.acquire(); + return jobQueue; + } + + public void attach() { + attach( getThreadId() ); + } + + public void detach( Object handle, ThreadId id ) + { + ((JobQueue)handle).release(); + } + + public void detach() { + ThreadId threadId = getThreadId(); + detach(_javaThreadPoolFactory.getJobQueue(threadId), threadId ); + } + + + public Object enter( ) throws Throwable { + ThreadId threadId = getThreadId(); + return enter( _javaThreadPoolFactory.getJobQueue( threadId ), threadId ); + } + + public Object enter( Object handle, ThreadId threadId ) throws Throwable { + return ((JobQueue)handle).enter(this); + } + + public void putJob(Job job) { + if (!job.isRequest() || job.isSynchronous()) { + JobQueue jobQueue = _javaThreadPoolFactory.getJobQueue(job.getThreadId()); + + // this has not be synchronized, cause + // sync jobs can only come over one bridge + // (cause the thread blocks on other side) + if(jobQueue == null) + jobQueue = new JobQueue(_javaThreadPoolFactory, job.getThreadId(), true); + + // put job acquires the queue and registers it at the ThreadPoolFactory + jobQueue.putJob(job, this); + } + else { + // this has to be synchronized, cause + // async jobs of the same thread can come + // over different bridges + synchronized(_javaThreadPoolFactory) { + JobQueue async_jobQueue = _javaThreadPoolFactory.getAsyncJobQueue(job.getThreadId()); + + // ensure there is jobQueue + if(async_jobQueue == null) // so, there is really no async queue + async_jobQueue = new JobQueue(_javaThreadPoolFactory, job.getThreadId()); + + // put job acquires the queue and registers it at the ThreadPoolFactory + async_jobQueue.putJob(job, this); + } + } + } + + public void dispose(Throwable throwable) { + if(DEBUG) System.err.println("##### " + getClass().getName() + ".dispose:" + throwable); + + _javaThreadPoolFactory.dispose(this, throwable); + } + + public void destroy() { + } +} diff --git a/jurt/com/sun/star/lib/uno/environments/remote/JavaThreadPoolFactory.java b/jurt/com/sun/star/lib/uno/environments/remote/JavaThreadPoolFactory.java new file mode 100644 index 000000000000..868a4559a577 --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/remote/JavaThreadPoolFactory.java @@ -0,0 +1,94 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package com.sun.star.lib.uno.environments.remote; + +import java.util.Collection; +import java.util.HashMap; +import java.util.WeakHashMap; + +final class JavaThreadPoolFactory { + public JavaThreadPoolFactory() {} + + public IThreadPool createThreadPool() { + return new JavaThreadPool(this); + } + + public void addJobQueue(JobQueue jobQueue) { + synchronized (jobQueues) { + jobQueues.put(jobQueue.getThreadId(), jobQueue); + } + } + + public void removeJobQueue(JobQueue jobQueue) { + synchronized (jobQueues) { + jobQueues.remove(jobQueue.getThreadId()); + } + } + + public JobQueue getJobQueue(ThreadId threadId) { + synchronized (jobQueues) { + return (JobQueue) jobQueues.get(threadId); + } + } + + public JobQueue getAsyncJobQueue(ThreadId threadId) { + JobQueue q = getJobQueue(threadId); + return q == null ? null : q._async_jobQueue; + } + + public void dispose(Object disposeId, Throwable throwable) { + JobQueue[] qs; + synchronized (jobQueues) { + Collection c = jobQueues.values(); + qs = (JobQueue[]) c.toArray(new JobQueue[c.size()]); + } + for (int i = 0; i < qs.length; ++i) { + qs[i].dispose(disposeId, throwable); + } + } + + public static ThreadId getThreadId() { + Thread t = Thread.currentThread(); + if (t instanceof JobQueue.JobDispatcher) { + return ((JobQueue.JobDispatcher) t).getThreadId(); + } else { + ThreadId id; + synchronized (threadIdMap) { + id = (ThreadId) threadIdMap.get(t); + if (id == null) { + id = ThreadId.createFresh(); + threadIdMap.put(t, id); + } + } + return id; + } + } + + private static final WeakHashMap threadIdMap = new WeakHashMap(); + private final HashMap jobQueues = new HashMap(); +} diff --git a/jurt/com/sun/star/lib/uno/environments/remote/Job.java b/jurt/com/sun/star/lib/uno/environments/remote/Job.java new file mode 100644 index 000000000000..41cf9706f2b6 --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/remote/Job.java @@ -0,0 +1,180 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package com.sun.star.lib.uno.environments.remote; + + +import java.io.PrintWriter; +import java.io.StringWriter; + + +import java.lang.reflect.InvocationTargetException; + +import com.sun.star.lib.uno.typedesc.MethodDescription; +import com.sun.star.uno.Any; +import com.sun.star.uno.IMethodDescription; +import com.sun.star.uno.Type; +import com.sun.star.uno.UnoRuntime; +import com.sun.star.uno.XCurrentContext; + +/** + * The Job is an abstraction for tasks which have to be done + * remotely because of a method invocation. + * <p> + * @version $Revision: 1.17 $ $ $Date: 2008-04-11 11:21:00 $ + * @author Kay Ramme + * @see com.sun.star.lib.uno.environments.remote.ThreadID + * @see com.sun.star.lib.uno.environments.remote.IReceiver + * @since UDK1.0 + */ +public class Job { + protected Job _next; + + protected IReceiver _iReceiver; + protected Message _iMessage; + Object _disposeId; + + protected Object _object; + + public Job(Object object, IReceiver iReceiver, Message iMessage) { + _object = object; + _iReceiver = iReceiver; + _iMessage = iMessage; + } + + /** + * Dispatches a <code>queryInterface</code> call + * <p> + * @return the result of the call (should be an <code>Any</code>) + * @param message the parameter for the call + * @param resultClass the result type as an out parameter + * @param status the status as an out parameter + * @param o_outs the out parameters of the call as out parameters + * @param o_out_sig the out signature as an out parameter + */ + protected Object dispatch_queryInterface(Type type) { + Class zInterface = type.getTypeDescription().getZClass(); + + Object result = null; + + Object face = UnoRuntime.queryInterface(zInterface, _object); + // the hell knows why, but empty interfaces a given back as void anys + if(face != null) + result = new Any(type, face); + return result; + } + + /** + * Execute the job. + * + * @return the result of the message. + */ + public Object execute() throws Throwable { + Object msgResult = _iMessage.getResult(); + if (_iMessage.isRequest()) { + Object result = null; + Throwable exception = null; + IMethodDescription md = _iMessage.getMethod(); + Object[] args = _iMessage.getArguments(); + XCurrentContext oldCC = UnoRuntime.getCurrentContext(); + UnoRuntime.setCurrentContext(_iMessage.getCurrentContext()); + try { + result = md.getIndex() == MethodDescription.ID_QUERY_INTERFACE + ? dispatch_queryInterface((Type) args[0]) + : md.getMethod().invoke(_object, args); + } catch (InvocationTargetException e) { + exception = e.getTargetException(); + if (exception == null) { + exception = e; + } + } catch (Exception e) { + exception = e; + } finally { + UnoRuntime.setCurrentContext(oldCC); + } + if (_iMessage.isSynchronous()) { + if (exception == null) { + _iReceiver.sendReply( + false, _iMessage.getThreadId(), result); + } else { + // Here we have to be aware of non-UNO exceptions, because + // they may kill a remote side which does not know anything + // about their types: + if (exception != null + && !(exception instanceof com.sun.star.uno.Exception) + && !(exception instanceof + com.sun.star.uno.RuntimeException)) + { + StringWriter writer = new StringWriter(); + exception.printStackTrace(new PrintWriter(writer)); + exception = new com.sun.star.uno.RuntimeException( + "Java exception: <" + writer + ">", null); + } + _iReceiver.sendReply( + true, _iMessage.getThreadId(), exception); + } + } + return null; + } else if (_iMessage.isAbnormalTermination()) { + throw remoteUnoRequestRaisedException(_iMessage.getResult()); + } else { + return _iMessage.getResult(); + } + } + + public ThreadId getThreadId() { + return _iMessage.getThreadId(); + } + + public boolean isRequest() { + return _iMessage.isRequest(); + } + + public boolean isSynchronous() { + return _iMessage.isSynchronous(); + } + + public void dispose() { +// _oId = null; +// _iReceiver = null; +// _threadId = null; +// _object = null; +// _operation = null; +// _param = null; +// _exception = null; +// _zInterface = null; +// _disposeId = null; + } + + // The name of this method is chosen to generate a somewhat self-explanatory + // stack trace: + private Exception remoteUnoRequestRaisedException(Object exception) { + Exception e = (Exception) exception; + e.fillInStackTrace(); + return e; + } +} diff --git a/jurt/com/sun/star/lib/uno/environments/remote/JobQueue.java b/jurt/com/sun/star/lib/uno/environments/remote/JobQueue.java new file mode 100644 index 000000000000..f7568a30cef7 --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/remote/JobQueue.java @@ -0,0 +1,396 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package com.sun.star.lib.uno.environments.remote; + + +/** + * The <code>JobQueue</code> implements a queue for jobs. + * For every jobs thread id exists a job queue which is registered + * at the <code>ThreadPool</code>. + * A JobQueue is splitted in a sync job queue and an async job queue. + * The sync job queue is the registerd queue, it delegates async jobs + * (put by <code>putjob</code>) into the async queue, which is only + * known by the sync queue. + * <p> + * @version $Revision: 1.19 $ $ $Date: 2008-04-11 11:21:18 $ + * @author Kay Ramme + * @see com.sun.star.lib.uno.environments.remote.ThreadPool + * @see com.sun.star.lib.uno.environments.remote.Job + * @see com.sun.star.lib.uno.environments.remote.ThreadID + * @since UDK1.0 + */ +public class JobQueue { + /** + * When set to true, enables various debugging output. + */ + private static final boolean DEBUG = false; + + protected Job _head; // the head of the job list + protected Job _tail; // the tail of the job list + + protected ThreadId _threadId; // the thread id of the queue + protected int _ref_count = 0; // the stack deepness + protected boolean _createThread; // create a worker thread, if needed + protected boolean _createThread_now; // create a worker thread, if needed + protected Thread _worker_thread; // the thread that does the jobs + + protected Object _disposeId; // the active dispose id + protected Object _doDispose = null; + protected Throwable _throwable; + + protected JobQueue _async_jobQueue; // chaining job qeueus for asyncs + protected JobQueue _sync_jobQueue; // chaining job qeueus for syncs + + protected boolean _active = false; + + protected JavaThreadPoolFactory _javaThreadPoolFactory; + + /** + * A thread for dispatching jobs + */ + class JobDispatcher extends Thread { + Object _disposeId; + + JobDispatcher(Object disposeId) { + if(DEBUG) System.err.println("JobQueue$JobDispatcher.<init>:" + _threadId); + + _disposeId = disposeId; + } + + ThreadId getThreadId() { + return _threadId; + } + + public void run() { + if(DEBUG) System.err.println("ThreadPool$JobDispatcher.run: " + Thread.currentThread()); + + try { + enter(2000, _disposeId); + } + catch(Throwable throwable) { + if(_head != null || _active) { // there was a job in progress, so give a stack + System.err.println(getClass().getName() + " - exception occurred:" + throwable); + throwable.printStackTrace(System.err); + } + } + finally { + release(); + } + + if(DEBUG) System.err.println("##### " + getClass().getName() + ".run - exit:" + _threadId); + +// try { +// Object object = new Object(); +// synchronized(object) { +// object.wait(); +// } +// } +// catch(InterruptedException interruptedException) { +// } + } + } + + + /** + * Constructs a async job queue with the given thread id + * which belongs to the given sync job queue. + * <p> + * @param threadId the thread id + * @param sync_jobQueue the sync queue this async queue belongs to + * @see com.sun.star.lib.uno.environments.remote.ThreadID + */ + JobQueue(JavaThreadPoolFactory javaThreadPoolFactory, ThreadId threadId) { + _javaThreadPoolFactory = javaThreadPoolFactory; + _threadId = ThreadId.createFresh(); + + _sync_jobQueue = javaThreadPoolFactory.getJobQueue(threadId); + if(_sync_jobQueue == null) { + _sync_jobQueue = new JobQueue(javaThreadPoolFactory, threadId, true); + _sync_jobQueue.acquire(); + } + + _sync_jobQueue._async_jobQueue = this; + + _createThread = true; + _createThread_now = true; + + acquire(); + + if(DEBUG) System.err.println("##### " + getClass().getName() + " - init:" + _threadId); + } + + /** + * Constructs a sync job queue with the given thread id and the given thread. + * <p> + * @param threadId the thread id + * @param createThread if true, the queue creates a worker thread if needed + * @see com.sun.star.lib.uno.environments.remote.ThreadID + */ + JobQueue(JavaThreadPoolFactory javaThreadPoolFactory, ThreadId threadId, boolean createThread){ + _javaThreadPoolFactory = javaThreadPoolFactory; + _threadId = threadId; + _createThread = createThread; + _createThread_now = createThread; + + if(DEBUG) System.err.println("##### " + getClass().getName() + " - init:" + _threadId + " " + createThread); + } + + /** + * Gives the thread id of this queue + * <p> + * @return the thread id + * @see com.sun.star.lib.uno.environments.remote.ThreadID + */ + ThreadId getThreadId() { + return _threadId; + } + + synchronized void acquire() { + // add only synchronous queues . + if(_ref_count <= 0 && _sync_jobQueue == null ) + _javaThreadPoolFactory.addJobQueue(this); + + ++ _ref_count; + } + + synchronized void release() { + -- _ref_count; + + if(_ref_count <= 0) { + // only synchronous queues needs to be removed . + if( _sync_jobQueue == null ) + _javaThreadPoolFactory.removeJobQueue(this); + + + if(_sync_jobQueue != null) { + _sync_jobQueue._async_jobQueue = null; + _sync_jobQueue.release(); + } + } + } + + /** + * Removes a job from the queue. + * <p> + * @return a job or null if timed out + * @param waitTime the maximum amount of time to wait for a job + */ + private Job removeJob(int waitTime) throws Throwable { + if(DEBUG) System.err.println("##### " + getClass().getName() + ".removeJob:" + _head + " " + _threadId); + + Job job = null; + synchronized (this) { + // wait max. waitTime time for a job to enter the queue + boolean waited = false; + while(_head == null && (waitTime == 0 || !waited)) { + if(_doDispose == _disposeId) { + _doDispose = null; + throw _throwable; + } + + // notify sync queues + notifyAll(); + + try { + // wait for new job + wait(waitTime); + } + catch(InterruptedException interruptedException) { + throw new com.sun.star.uno.RuntimeException(getClass().getName() + ".removeJob - unexpected:" + interruptedException); + } + + // signal that we have already waited once + waited = true; + } + + + if(_head != null) { + Job current = _head; + _head = _head._next; + + if(_head == null) + _tail = null; + + job = current; + _active = true; + } + } + + // always wait for asynchron jobqueue to be finished ! + if(job != null && _async_jobQueue != null) { + synchronized(_async_jobQueue) { + // wait for async queue to be empty and last job to be done + while(_async_jobQueue._active || _async_jobQueue._head != null) { + if(DEBUG) System.err.println("waiting for async:" + _async_jobQueue._head + " " + _async_jobQueue._worker_thread); + + if(_doDispose == _disposeId) { + _doDispose = null; + throw _throwable; + } + + try { + _async_jobQueue.wait(); + } + catch(InterruptedException interruptedException) { + throw new com.sun.star.uno.RuntimeException(getClass().getName() + ".removeJob - unexpected:" + interruptedException); + } + } + } + } + + return job; + } + + /** + * Puts a job into the queue. + * <p> + * @param job the job + * @param disposeId a dispose id + */ + synchronized void putJob(Job job, Object disposeId) { + if(DEBUG) System.err.println("##### " + getClass().getName() + ".putJob todoes: " + " job:" + job); + + if(_tail != null) + _tail._next = job; + else + _head = job; + + _tail = job; + + if(_worker_thread == null && _createThread && _createThread_now) { // if there is no thread, which dispatches and if shall create one, create one + + acquire(); + + _createThread_now = false; + new JobDispatcher(disposeId).start(); + } + + // always notify possible waiters + notifyAll(); + } + + /** + * Enters the job queue. + * <p> + * @return the result of the final job (reply) + * @param disposeId a dispose id + */ + Object enter(Object disposeId) throws Throwable { + return enter(0, disposeId); // wait infinitly + } + + /** + * Enters the job queue. + * <p> + * @return the result of the final job (reply) + * @param waitTime the maximum amount of time to wait for a job (0 means wait infinitly) + * @param disposeId a dispose id + */ + Object enter(int waitTime, Object disposeId) throws Throwable { + if(DEBUG) System.err.println("#####" + getClass().getName() + ".enter: " + _threadId); + + boolean quit = false; + + Object hold_disposeId = _disposeId; + _disposeId = disposeId; + + Object result = null; + + Thread hold_worker_thread = _worker_thread; + _worker_thread = Thread.currentThread(); + + while(!quit) { + Job job = null; + + try { + job = removeJob(waitTime); + + if(job != null) { + try { + result = job.execute(); + } + finally { + _active = false; + } + + if (!job.isRequest()) { + job.dispose(); + + quit = true; + } + + job = null; + } + else + quit = true; + + + } + finally { // ensure that this queue becomes disposed, if necessary + if(DEBUG) System.err.println("##### " + getClass().getName() + ".enter leaving: " + _threadId + " " + _worker_thread + " " + hold_worker_thread + " " + result); + + synchronized(this) { + if(job != null || (quit && _head == null)) { + _worker_thread = hold_worker_thread; + + _createThread_now = true; + + _disposeId = hold_disposeId; + + if(_sync_jobQueue != null) + notifyAll(); // notify waiters (e.g. this is an asyncQueue and there is a sync waiting) + } + else + quit = false; + + } + } + } + + return result; + } + + /** + * If the given disposeId is registered, + * interrups the worker thread. + * <p> + * @param disposeId the dispose id + */ + synchronized void dispose(Object disposeId, Throwable throwable) { + if(_sync_jobQueue == null) { // dispose only sync queues + _doDispose = disposeId; + _throwable = throwable; + + // get thread out of wait and let it throw the throwable + if(DEBUG) System.err.println(getClass().getName() + ".dispose - notifying thread"); + + notifyAll(); + } + } +} + diff --git a/jurt/com/sun/star/lib/uno/environments/remote/Message.java b/jurt/com/sun/star/lib/uno/environments/remote/Message.java new file mode 100644 index 000000000000..918b9b1282ad --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/remote/Message.java @@ -0,0 +1,195 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package com.sun.star.lib.uno.environments.remote; + +import com.sun.star.uno.IMethodDescription; +import com.sun.star.uno.ITypeDescription; +import com.sun.star.uno.XCurrentContext; + +/** + A remote request or reply message. +*/ +public class Message { + public Message( + ThreadId threadId, boolean request, String objectId, + ITypeDescription type, IMethodDescription method, boolean synchronous, + XCurrentContext currentContext, boolean abnormalTermination, + Object result, Object[] arguments) + { + this.threadId = threadId; + this.request = request; + this.objectId = objectId; + this.type = type; + this.method = method; + this.synchronous = synchronous; + this.currentContext = currentContext; + this.abnormalTermination = abnormalTermination; + this.result = result; + this.arguments = arguments; + } + + /** + Returns the thread ID of the message. + + <p>Valid for all kinds of messages.</p> + + @return the (non-<code>null</code>) thread ID + */ + public final ThreadId getThreadId() { + return threadId; + } + + /** + Returns whether the message is a request or a reply. + + <p>Valid for all kinds of messages.</p> + + @return <code>true</code> for a request, <code>false</code> for a reply + */ + public final boolean isRequest() { + return request; + } + + /** + Returns the object ID of a request message. + + <p>Valid only for request messages.</p> + + @return the (non-<code>null</code>) object ID for a request, + <code>null</code> for a reply + */ + public final String getObjectId() { + return objectId; + } + + /** + Returns the type of a request message. + + <p>Valid only for request messages.</p> + + @return the (non-<code>null</code>) type for a request, <code>null</code> + for a reply + */ + public final ITypeDescription getType() { + return type; + } + + /** + Returns the method description of a request message. + + <p>Valid only for request messages. The returned + <code>IMethodDescription</code> is consistent with the type of the + message.</p> + + @return the (non-<code>null</code>) method description for a request, + <code>null</code> for a reply + */ + public final IMethodDescription getMethod() { + return method; + } + + /** + Returns whether the request message is synchronous. + + <p>Valid only for request messages.</p> + + @return <code>true</code> for a synchronous request, <code>false</code> + for an asynchronous request or a reply + */ + public final boolean isSynchronous() { + return synchronous; + } + + /** + Returns the current context of a request message. + + <p>Valid only for request messages.</p> + + @return the current context (which may be <code>null</code>) for a + request, <code>null</code> for a reply + */ + public XCurrentContext getCurrentContext() { + return currentContext; + } + + /** + Returns whether the reply message represents abnormal termination. + + <p>Valid only for reply messages.</p> + + @return <code>true</code> for a reply that represents abnormal + termination, <code>false</code> for a reply that represents normal + termination or a request + */ + public final boolean isAbnormalTermination() { + return abnormalTermination; + } + + /** + Returns the result of a reply message. + + <p>Valid only for reply messages.</p> + + @return any (possibly <code>null</code>) return value for a reply that + represents normal termination, the (non-<code>null</code>) exception for + a reply that represents abnormal termination, <code>null</code> for a + request + */ + public final Object getResult() { + return result; + } + + /** + Returns the arguments of a message. + + <p>Valid only for request messages and reply messages that represent + normal termination. Any returned array must not be modified.</p> + + @return the in and in&ndash { + }out arguments for a request (possibly + <code>null</code> for a paramterless function), the out and in&dash { + }out + arguments for a reply that represents normal termination (possibly + <code>null</code> for a parameterless function), <code>null</code> for a + reply that represents abnormal termination + */ + public final Object[] getArguments() { + return arguments; + } + + private final ThreadId threadId; + private final boolean request; + private final String objectId; + private final ITypeDescription type; + private final IMethodDescription method; + private final boolean synchronous; + private final XCurrentContext currentContext; + private final boolean abnormalTermination; + private final Object result; + private final Object[] arguments; +} diff --git a/jurt/com/sun/star/lib/uno/environments/remote/NativeThreadPool.java b/jurt/com/sun/star/lib/uno/environments/remote/NativeThreadPool.java new file mode 100644 index 000000000000..06afce7f1e5d --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/remote/NativeThreadPool.java @@ -0,0 +1,100 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package com.sun.star.lib.uno.environments.remote; + +final class NativeThreadPool implements IThreadPool { + public NativeThreadPool() { + pool = create(); + } + + public ThreadId getThreadId() { + return new ThreadId(threadId()); + } + + public void attach() { + attach(pool); + } + + public Object attach(ThreadId id) { + attach(); + return null; + } + + public void detach() { + detach(pool); + } + + public void detach(Object handle, ThreadId id) { + detach(); + } + + public Object enter() throws Throwable { + Job job = enter(pool); + if (job == null) { + throw dispose; + } + return job.execute(); + } + + public Object enter(Object handle, ThreadId id) throws Throwable { + return enter(); + } + + public void putJob(Job job) { + putJob( + pool, job.getThreadId().getBytes(), job, job.isRequest(), + job.isRequest() && !job.isSynchronous()); + } + + public void dispose(Throwable throwable) { + dispose = throwable; + dispose(pool); + } + + public void destroy() { + destroy(pool); + } + + // The native implementation is in + // bridges/source/jni_uno/nativethreadpool.cxx: + static { + System.loadLibrary("java_uno"); + } + private static native byte[] threadId(); + private static native long create(); + private static native void attach(long pool); + private static native Job enter(long pool); + private static native void detach(long pool); + private static native void putJob( + long pool, byte[] threadId, Job job, boolean request, boolean oneWay); + private static native void dispose(long pool); + private static native void destroy(long pool); + + private final long pool; + private volatile Throwable dispose; +} diff --git a/jurt/com/sun/star/lib/uno/environments/remote/ThreadId.java b/jurt/com/sun/star/lib/uno/environments/remote/ThreadId.java new file mode 100644 index 000000000000..0b570991c11f --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/remote/ThreadId.java @@ -0,0 +1,95 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package com.sun.star.lib.uno.environments.remote; + +import com.sun.star.uno.UnoRuntime; +import java.io.UnsupportedEncodingException; +import java.math.BigInteger; +import java.util.Arrays; + +public final class ThreadId { + public static ThreadId createFresh() { + BigInteger c; + synchronized (PREFIX) { + c = count; + count = count.add(BigInteger.ONE); + } + try { + return new ThreadId((PREFIX + c).getBytes("UTF-8")); + } catch (UnsupportedEncodingException e) { + throw new RuntimeException("this cannot happen: " + e); + } + } + + public ThreadId(byte[] id) { + this.id = id; + } + + public boolean equals(Object obj) { + return obj instanceof ThreadId + && Arrays.equals(id, ((ThreadId) obj).id); + } + + public int hashCode() { + int h = hash; + if (h == 0) { + // Same algorithm as java.util.List.hashCode (also see Java 1.5 + // java.util.Arrays.hashCode(byte[])): + h = 1; + for (int i = 0; i < id.length; ++i) { + h = 31 * h + id[i]; + } + hash = h; + } + return h; + } + + public String toString() { + StringBuffer b = new StringBuffer("[ThreadId:"); + for (int i = 0; i < id.length; ++i) { + String n = Integer.toHexString(id[i] & 0xFF); + if (n.length() == 1) { + b.append('0'); + } + b.append(n); + } + b.append(']'); + return b.toString(); + } + + public byte[] getBytes() { + return id; + } + + private static final String PREFIX + = "java:" + UnoRuntime.getUniqueKey() + ":"; + private static BigInteger count = BigInteger.ZERO; + + private byte[] id; + private int hash = 0; +} diff --git a/jurt/com/sun/star/lib/uno/environments/remote/ThreadPoolManager.java b/jurt/com/sun/star/lib/uno/environments/remote/ThreadPoolManager.java new file mode 100644 index 000000000000..6187eb4b1c4e --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/remote/ThreadPoolManager.java @@ -0,0 +1,80 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package com.sun.star.lib.uno.environments.remote; + +/** + * Manages the UNO thread pool factory. + * + * <P>The thread pool factory is a process-wide resource. It is important that + * all UNO environments within a process share the same thread pool mechanisms: + * if a synchronous UNO call is bridged out from one local UNO environment over + * one remote bridge, and recursively calls back into another local UNO + * environment over another remote bridge, the code in the second environment + * should be executed in the thread that did the original call from the first + * environment.</P> + * + * <P>There are both a Java and a native thread pool factory. A pure Java + * process will always use the Java thread pool factory. A mixed process uses + * the system property <CODE>org.openoffice.native</CODE> (to be set by the + * native code that starts the JVM) to determine which implementation + * to use.</P> + */ +public final class ThreadPoolManager { + /** + * Creates a thread pool instance. + * + * @return a new thread pool instance; will never be <CODE>null</CODE> + */ + public static synchronized IThreadPool create() { + if (useNative) { + return new NativeThreadPool(); + } else { + if (javaFactory == null) { + javaFactory = new JavaThreadPoolFactory(); + } + return javaFactory.createThreadPool(); + } + } + + /** + * Leads to using the native thread pool factory, unless a Java thread pool + * has already been created. + * + * @return <CODE>false</CODE> if a Java thread pool has already been created + */ + public static synchronized boolean useNative() { + useNative = javaFactory == null; + return useNative; + } + + private static boolean useNative + = System.getProperty("org.openoffice.native") != null; + private static JavaThreadPoolFactory javaFactory = null; + + private ThreadPoolManager() {} // do not instantiate +} diff --git a/jurt/com/sun/star/lib/uno/environments/remote/makefile.mk b/jurt/com/sun/star/lib/uno/environments/remote/makefile.mk new file mode 100644 index 000000000000..cc4a7fe7ae83 --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/remote/makefile.mk @@ -0,0 +1,50 @@ +#************************************************************************* +# +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +# +# Copyright 2000, 2010 Oracle and/or its affiliates. +# +# OpenOffice.org - a multi-platform office productivity suite +# +# This file is part of OpenOffice.org. +# +# OpenOffice.org is free software: you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License version 3 +# only, as published by the Free Software Foundation. +# +# OpenOffice.org is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Lesser General Public License version 3 for more details +# (a copy is included in the LICENSE file that accompanied this code). +# +# You should have received a copy of the GNU Lesser General Public License +# version 3 along with OpenOffice.org. If not, see +# <http://www.openoffice.org/license.html> +# for a copy of the LGPLv3 License. +# +#************************************************************************* + +PRJ := ..$/..$/..$/..$/..$/..$/.. +PRJNAME := jurt + +TARGET := com_sun_star_lib_uno_environments_remote +PACKAGE := com$/sun$/star$/lib$/uno$/environments$/remote + +.INCLUDE: $(PRJ)$/util$/makefile.pmk + +JAVAFILES = \ + IProtocol.java \ + IReceiver.java \ + IThreadPool.java \ + JavaThreadPool.java \ + JavaThreadPoolFactory.java \ + Job.java \ + JobQueue.java \ + Message.java \ + NativeThreadPool.java \ + ThreadId.java \ + ThreadPoolManager.java \ + remote_environment.java + +.INCLUDE: target.mk diff --git a/jurt/com/sun/star/lib/uno/environments/remote/remote_environment.java b/jurt/com/sun/star/lib/uno/environments/remote/remote_environment.java new file mode 100644 index 000000000000..0a782783c00f --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/remote/remote_environment.java @@ -0,0 +1,72 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package com.sun.star.lib.uno.environments.remote; + +import com.sun.star.uno.IEnvironment; +import com.sun.star.uno.Type; + +public final class remote_environment implements IEnvironment { + public remote_environment(Object context) { + this.context = context; + } + + public Object getContext() { + return context; + } + + public String getName() { + return "remote"; + } + + public Object registerInterface(Object object, String[] oid, Type type) { + throw new UnsupportedOperationException( + "java_remote environment is not functional"); + } + + public void revokeInterface(String oid, Type type) { + throw new UnsupportedOperationException( + "java_remote environment is not functional"); + } + + public Object getRegisteredInterface(String oid, Type type) { + throw new UnsupportedOperationException( + "java_remote environment is not functional"); + } + + public String getRegisteredObjectIdentifier(Object object) { + throw new UnsupportedOperationException( + "java_remote environment is not functional"); + } + + public void list() { + throw new UnsupportedOperationException( + "java_remote environment is not functional"); + } + + private final Object context; +} |