1 files changed, 0 insertions, 96 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/command/AbstractQueueingCommandExecutor.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/command/AbstractQueueingCommandExecutor.java
deleted file mode 100644
index 6edd43eae8..0000000000
--- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/command/AbstractQueueingCommandExecutor.java
+++ /dev/null
@@ -1,96 +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.command.Command;
-import org.eclipse.jpt.common.utility.command.StatefulCommandExecutor;
-import org.eclipse.jpt.common.utility.internal.SimpleQueue;
-import org.eclipse.jpt.common.utility.internal.StringTools;
-import org.eclipse.jpt.common.utility.internal.SynchronizedBoolean;
-
-/**
- * This is a command executor that queues up any commands
- * that are {@link #execute(Command) executed} while the executor is
- * {@link #stop() stopped}. These commands will be
- * executed when the executor is {@link #start() started}.
- */
-public abstract class AbstractQueueingCommandExecutor<E extends StatefulCommandExecutor>
-	implements StatefulCommandExecutor
-{
-	protected final E commandExecutor;
-	protected final SynchronizedBoolean active = new SynchronizedBoolean(false);
-	private SimpleQueue<Command> queue = new SimpleQueue<Command>();
-
-
-	protected AbstractQueueingCommandExecutor(E commandExecutor) {
-		super();
-		if (commandExecutor == null) {
-			throw new NullPointerException();
-		}
-		this.commandExecutor = commandExecutor;
-	}
-
-	/**
-	 * Start the command executor, executing all the commands that were
-	 * queued up while the executor was {@link #stop() stopped}.
-	 */
-	public synchronized void start() {
-		if (this.active.isTrue()) {
-			throw new IllegalStateException("Not stopped."); //$NON-NLS-1$
-		}
-		this.commandExecutor.start();
-		while ( ! this.queue.isEmpty()) {
-			this.commandExecutor.execute(this.queue.dequeue());
-		}
-		this.active.setTrue();
-	}
-
-	/**
-	 * If the command executor is active, execute the specified command;
-	 * otherwise, queue the command to be executed once the executor is
-	 * {@link #start() started}.
-	 */
-	public void execute(Command command) {
-		if (this.commandIsToBeExecuted(command)) {
-			this.commandExecutor.execute(command);
-		}
-	}
-
-	/**
-	 * Return whether the command executor is active and, if it is <em>in</em>active,
-	 * place the specified command in the queue for later execution.
-	 */
-	private synchronized boolean commandIsToBeExecuted(Command command) {
-		if (this.active.isFalse()) {
-			this.queue.enqueue(command);
-			return false;
-		}
-		return true;
-	}
-
-	/**
-	 * Stop the command executor. Any further requests to
-	 * {@link #execute(Command) execute} a command will result in the command
-	 * being queued up to be executed once the command executor is
-	 * {@link #start() restarted}.
-	 */
-	public synchronized void stop() throws InterruptedException {
-		if (this.active.isFalse()) {
-			throw new IllegalStateException("Not started."); //$NON-NLS-1$
-		}
-		this.active.setFalse();
-		this.commandExecutor.stop();
-	}
-
-	@Override
-	public String toString() {
-		return StringTools.buildToStringFor(this, this.queue);
-	}
-}