X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.utils.thread%2Fsrc%2Forg%2Fsimantics%2Futils%2Fthreads%2Fua%2FSerialExecutor.java;h=7d52c59e9ca60d8a24136577b162963799345a8d;hb=c8cce62f9952ab3f6db451d2f22d969b4e777eaa;hp=fe705148f7d93728eddc13407498ee901ec2c5ac;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.utils.thread/src/org/simantics/utils/threads/ua/SerialExecutor.java b/bundles/org.simantics.utils.thread/src/org/simantics/utils/threads/ua/SerialExecutor.java index fe705148f..7d52c59e9 100644 --- a/bundles/org.simantics.utils.thread/src/org/simantics/utils/threads/ua/SerialExecutor.java +++ b/bundles/org.simantics.utils.thread/src/org/simantics/utils/threads/ua/SerialExecutor.java @@ -1,55 +1,55 @@ -/******************************************************************************* - * Copyright (c) 2007, 2010 Association for Decentralized Information Management - * in Industry THTH ry. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * VTT Technical Research Centre of Finland - initial API and implementation - *******************************************************************************/ - -package org.simantics.utils.threads.ua; - -import java.util.ArrayDeque; -import java.util.Queue; -import java.util.concurrent.Executor; - -/** - * The executor serializes the submission of tasks to a second executor, - * illustrating a composite executor. - * - * (This code is copied from the example in {@link Executor}) - */ -public class SerialExecutor implements Executor { - final Queue tasks = new ArrayDeque(); - final Executor executor; - Runnable active; - - public SerialExecutor(Executor executor) { - this.executor = executor; - } - - public synchronized void execute(final Runnable r) { - tasks.offer(new Runnable() { - public void run() { - try { - r.run(); - } finally { - scheduleNext(); - } - } - }); - if (active == null) { - scheduleNext(); - } - } - - protected synchronized void scheduleNext() { - if ((active = tasks.poll()) != null) { - executor.execute(active); - } - } - -} +/******************************************************************************* + * Copyright (c) 2007, 2010 Association for Decentralized Information Management + * in Industry THTH ry. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * VTT Technical Research Centre of Finland - initial API and implementation + *******************************************************************************/ + +package org.simantics.utils.threads.ua; + +import java.util.ArrayDeque; +import java.util.Queue; +import java.util.concurrent.Executor; + +/** + * The executor serializes the submission of tasks to a second executor, + * illustrating a composite executor. + * + * (This code is copied from the example in {@link Executor}) + */ +public class SerialExecutor implements Executor { + final Queue tasks = new ArrayDeque(); + final Executor executor; + Runnable active; + + public SerialExecutor(Executor executor) { + this.executor = executor; + } + + public synchronized void execute(final Runnable r) { + tasks.offer(new Runnable() { + public void run() { + try { + r.run(); + } finally { + scheduleNext(); + } + } + }); + if (active == null) { + scheduleNext(); + } + } + + protected synchronized void scheduleNext() { + if ((active = tasks.poll()) != null) { + executor.execute(active); + } + } + +}