diff options
Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/command/NotifyingRepeatingCommandWrapper.java')
| -rw-r--r-- | common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/command/NotifyingRepeatingCommandWrapper.java | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/command/NotifyingRepeatingCommandWrapper.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/command/NotifyingRepeatingCommandWrapper.java deleted file mode 100644 index 03bb6ebb61..0000000000 --- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/command/NotifyingRepeatingCommandWrapper.java +++ /dev/null @@ -1,98 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2012 Oracle. 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: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.common.utility.internal.command; - -import org.eclipse.jpt.common.utility.ExceptionHandler; -import org.eclipse.jpt.common.utility.command.NotifyingRepeatingCommand; -import org.eclipse.jpt.common.utility.command.Command; -import org.eclipse.jpt.common.utility.command.CommandExecutor; -import org.eclipse.jpt.common.utility.internal.ListenerList; - -/** - * <strong>NB:</strong> If another execution cycle is initiated while we are - * notifying the command's listeners (i.e. the {@link #state} is set - * to "repeat"), the new - * execution will not start until all the listeners are notified. - * <p> - * <strong>NB2:</strong> The command's listeners can, themselves, - * trigger another execution (by directly or indirectly calling - * {@link #execute()}); - * but, again, this execution will not occur until <em>after</em> all the - * listeners have been notified. - * <p> - * <strong>NB3:</strong> Along with any exceptions thrown by the wrapped - * command, any exceptions thrown by the command's listeners will - * be passed to the {@link #exceptionHandler exception handler}. - */ -public class NotifyingRepeatingCommandWrapper - extends RepeatingCommandWrapper - implements NotifyingRepeatingCommand -{ - private final ListenerList<Listener> listenerList = new ListenerList<Listener>(Listener.class); - - - // ********** construction ********** - - /** - * Construct a notifying repeating command wrapper that executes the - * specified command. Any exceptions thrown by the command or listener - * will be handled by the specified exception handler. - */ - public NotifyingRepeatingCommandWrapper(Command command, ExceptionHandler exceptionHandler) { - super(command, exceptionHandler); - } - - /** - * Construct a notifying repeating command wrapper that executes the specified - * command and uses the specified command executor to execute the wrapped - * command whenever it is not already executing. - * Any exceptions thrown by the command or listener will be handled by the - * specified exception handler. - */ - public NotifyingRepeatingCommandWrapper(Command command, CommandExecutor startCommandExecutor, ExceptionHandler exceptionHandler) { - super(command, startCommandExecutor, exceptionHandler); - } - - - // ********** listeners ********** - - public void addListener(Listener listener) { - this.listenerList.add(listener); - } - - public void removeListener(Listener listener) { - this.listenerList.remove(listener); - } - - - // ********** override ********** - - @Override - /* private protected */ void executeCommand() { - super.executeCommand(); - if (this.state.isQuiesced()) { - // hmmm - we will notify listeners even when we are "stopped"; that seems OK... - this.executionQuiesced(); - } - } - - /** - * Notify our listeners. - */ - private void executionQuiesced() { - for (Listener listener : this.listenerList.getListeners()) { - try { - listener.executionQuiesced(this); - } catch (Throwable ex) { - this.exceptionHandler.handleException(ex); - } - } - } -} |