1 files changed, 0 insertions, 328 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/SynchronizedBoolean.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/SynchronizedBoolean.java
deleted file mode 100644
index 059e31be0d..0000000000
--- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/SynchronizedBoolean.java
+++ /dev/null
@@ -1,328 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2007 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.utility.internal;
-
-import java.io.Serializable;
-
-/**
- * This class provides synchronized access to a boolean value.
- * It also provides protocol for suspending a thread until the
- * boolean value is set to true or false, with optional time-outs.
- */
-public class SynchronizedBoolean
-	implements Cloneable, Serializable
-{
-	/** Backing boolean. */
-	private boolean value;
-
-	/** Object to synchronize on. */
-	private final Object mutex;
-
-	private static final long serialVersionUID = 1L;
-
-
-	// ********** constructors **********
-
-	/**
-	 * Create a synchronized boolean with the specified initial value
-	 * and mutex.
-	 */
-	public SynchronizedBoolean(boolean value, Object mutex) {
-		super();
-		this.value = value;
-		this.mutex = mutex;
-	}
-
-	/**
-	 * Create a synchronized boolean with the specified initial value.
-	 */
-	public SynchronizedBoolean(boolean value) {
-		super();
-		this.value = value;
-		this.mutex = this;
-	}
-
-	/**
-	 * Create a synchronized boolean with an initial value of false
-	 * and specified mutex.
-	 */
-	public SynchronizedBoolean(Object mutex) {
-		this(false, mutex);
-	}
-
-	/**
-	 * Create a synchronized boolean with an initial value of false.
-	 */
-	public SynchronizedBoolean() {
-		this(false);
-	}
-
-
-	// ********** accessors **********
-
-	/**
-	 * Return the current boolean value.
-	 */
-	public boolean value() {
-		synchronized (this.mutex) {
-			return this.value;
-		}
-	}
-
-	/**
-	 * Return whether the current boolean value is true.
-	 */
-	public boolean isTrue() {
-		synchronized (this.mutex) {
-			return this.value;
-		}
-	}
-
-	/**
-	 * Return whether the current boolean value is false.
-	 */
-	public boolean isFalse() {
-		synchronized (this.mutex) {
-			return ! this.value;
-		}
-	}
-
-	/**
-	 * Set the boolean value. If the value changes, all waiting
-	 * threads are notified.
-	 */
-	public void setValue(boolean value) {
-		synchronized (this.mutex) {
-			if (this.value != value) {
-				this.value = value;
-				this.mutex.notifyAll();
-			}
-		}
-	}
-
-	/**
-	 * Set the boolean value to true. If the value changes, all waiting
-	 * threads are notified.
-	 */
-	public void setTrue() {
-		synchronized (this.mutex) {
-			this.setValue(true);
-		}
-	}
-
-	/**
-	 * Set the boolean value to false. If the value changes, all waiting
-	 * threads are notified.
-	 */
-	public void setFalse() {
-		synchronized (this.mutex) {
-			this.setValue(false);
-		}
-	}
-
-	/**
-	 * Return the object this object locks on while performing
-	 * its operations.
-	 */
-	public Object mutex() {
-		return this.mutex;
-	}
-
-
-	// ********** indefinite waits **********
-
-	/**
-	 * Suspend the current thread until the boolean value changes
-	 * to the specified value.
-	 */
-	public void waitUntilValueIs(boolean x) throws InterruptedException {
-		synchronized (this.mutex) {
-			while (this.value != x) {
-				this.mutex.wait();
-			}
-		}
-	}
-
-	/**
-	 * Suspend the current thread until the boolean value changes to true.
-	 */
-	public void waitUntilTrue() throws InterruptedException {
-		synchronized (this.mutex) {
-			this.waitUntilValueIs(true);
-		}
-	}
-
-	/**
-	 * Suspend the current thread until the boolean value changes to false.
-	 */
-	public void waitUntilFalse() throws InterruptedException {
-		synchronized (this.mutex) {
-			this.waitUntilValueIs(false);
-		}
-	}
-
-	/**
-	 * Suspend the current thread until the boolean value changes to false,
-	 * then change it back to true and continue executing.
-	 */
-	public void waitToSetTrue() throws InterruptedException {
-		synchronized (this.mutex) {
-			this.waitUntilFalse();
-			this.setValue(true);
-		}
-	}
-
-	/**
-	 * Suspend the current thread until the boolean value changes to true,
-	 * then change it back to false and continue executing.
-	 */
-	public void waitToSetFalse() throws InterruptedException {
-		synchronized (this.mutex) {
-			this.waitUntilTrue();
-			this.setValue(false);
-		}
-	}
-
-
-	// ********** timed waits **********
-
-	/**
-	 * Suspend the current thread until the boolean value changes
-	 * to the specified value or the specified time-out occurs.
-	 * The time-out is specified in milliseconds. Return true if the specified
-	 * value was achieved; return false if a time-out occurred.
-	 */
-	public boolean waitUntilValueIs(boolean x, long timeout) throws InterruptedException {
-		synchronized (this.mutex) {
-			if (timeout == 0L) {
-				this.waitUntilValueIs(x);	// wait indefinitely until notified
-				return true;	// if it ever comes back, the condition was met
-			}
-	
-			long stop = System.currentTimeMillis() + timeout;
-			long remaining = timeout;
-			while ((this.value != x) && (remaining > 0L)) {
-				this.mutex.wait(remaining);
-				remaining = stop - System.currentTimeMillis();
-			}
-			return (this.value == x);
-		}
-	}
-
-	/**
-	 * Suspend the current thread until the boolean value changes
-	 * to true or the specified time-out occurs.
-	 * The time-out is specified in milliseconds. Return true if the specified
-	 * value was achieved; return false if a time-out occurred.
-	 */
-	public boolean waitUntilTrue(long timeout) throws InterruptedException {
-		synchronized (this.mutex) {
-			return this.waitUntilValueIs(true, timeout);
-		}
-	}
-
-	/**
-	 * Suspend the current thread until the boolean value changes
-	 * to false or the specified time-out occurs.
-	 * The time-out is specified in milliseconds. Return true if the specified
-	 * value was achieved; return false if a time-out occurred.
-	 */
-	public boolean waitUntilFalse(long timeout) throws InterruptedException {
-		synchronized (this.mutex) {
-			return this.waitUntilValueIs(false, timeout);
-		}
-	}
-
-	/**
-	 * Suspend the current thread until the boolean value changes to false,
-	 * then change it back to true and continue executing. If the boolean
-	 * value does not change to false before the time-out, simply continue
-	 * executing without changing the value.
-	 * The time-out is specified in milliseconds. Return true if the value was
-	 * set to true; return false if a time-out occurred.
-	 */
-	public boolean waitToSetTrue(long timeout) throws InterruptedException {
-		synchronized (this.mutex) {
-			boolean success = this.waitUntilFalse(timeout);
-			if (success) {
-				this.setValue(true);
-			}
-			return success;
-		}
-	}
-
-	/**
-	 * Suspend the current thread until the boolean value changes to true,
-	 * then change it back to false and continue executing. If the boolean
-	 * value does not change to true before the time-out, simply continue
-	 * executing without changing the value.
-	 * The time-out is specified in milliseconds. Return true if the value was
-	 * set to false; return false if a time-out occurred.
-	 */
-	public boolean waitToSetFalse(long timeout) throws InterruptedException {
-		synchronized (this.mutex) {
-			boolean success = this.waitUntilTrue(timeout);
-			if (success) {
-				this.setValue(false);
-			}
-			return success;
-		}
-	}
-
-
-	// ********** synchronized behavior **********
-
-	/**
-	 * If the current thread is not interrupted, execute the specified command 
-	 * with the mutex locked. This is useful for initializing the value in another
-	 * thread.
-	 */
-	public void execute(Command command) throws InterruptedException {
-		if (Thread.interrupted()) {
-			throw new InterruptedException();
-		}
-		synchronized (this.mutex) {
-			command.execute();
-		}
-	}
-
-
-	// ********** standard methods **********
-
-	@Override
-	public Object clone() {
-		try {
-			synchronized (this.mutex) {
-				return super.clone();
-			}
-		} catch (CloneNotSupportedException ex) {
-			throw new InternalError();
-		}
-	}
-
-	@Override
-	public boolean equals(Object o) {
-		if (o instanceof SynchronizedBoolean) {
-			return this.value() == ((SynchronizedBoolean) o).value();
-		}
-		return false;
-	}
-
-	@Override
-	public int hashCode() {
-		return this.value() ? 1 : 0;
-	}
-
-	@Override
-	public String toString() {
-		return String.valueOf(this.value());
-	}
-
-}