1 files changed, 0 insertions, 121 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/node/PluggableValidator.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/node/PluggableValidator.java
deleted file mode 100644
index c44f8aab43..0000000000
--- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/node/PluggableValidator.java
+++ /dev/null
@@ -1,121 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2008 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.node;
-
-import org.eclipse.jpt.utility.internal.StringTools;
-import org.eclipse.jpt.utility.internal.SynchronizedBoolean;
-
-/**
- * This implementation of the Validator interface implements the
- * pause/resume portion of the protocol, but delegates the actual
- * validation to a "pluggable" delegate.
- */
-public class PluggableValidator
-	implements Node.Validator
-{
-	private boolean pause;
-	private boolean validateOnResume;
-	private final Delegate delegate;
-
-
-	/**
-	 * Convenience factory method.
-	 */
-	public static Node.Validator buildAsynchronousValidator(SynchronizedBoolean validateFlag) {
-		return new PluggableValidator(new AsynchronousValidator(validateFlag));
-	}
-
-	/**
-	 * Convenience factory method.
-	 */
-	public static Node.Validator buildSynchronousValidator(Node node) {
-		return new PluggableValidator(new SynchronousValidator(node));
-	}
-
-	/**
-	 * Construct a validator with the specified delegate.
-	 */
-	public PluggableValidator(Delegate delegate) {
-		super();
-		this.pause = false;
-		this.validateOnResume = false;
-		this.delegate = delegate;
-	}
-
-	public synchronized void validate() {
-		if (this.pause) {
-			this.validateOnResume = true;
-		} else {
-			this.delegate.validate();
-		}
-	}
-
-	public synchronized void pause() {
-		if (this.pause) {
-			throw new IllegalStateException("already paused");
-		}
-		this.pause = true;
-	}
-
-	public synchronized void resume() {
-		if ( ! this.pause) {
-			throw new IllegalStateException("not paused");
-		}
-		this.pause = false;
-		// validate any changes that occurred while the validation was paused
-		if (this.validateOnResume) {
-			this.validateOnResume = false;
-			this.delegate.validate();
-		}
-	}
-
-	@Override
-	public String toString() {
-		return StringTools.buildToStringFor(this, this.delegate);
-	}
-
-
-	// ********** member interface **********
-
-	/**
-	 * Interface implemented by any delegates of a pluggable validator.
-	 */
-	public interface Delegate {
-
-		/**
-		 * The validator is not "paused" - perform the appropriate validation.
-		 */
-		void validate();
-
-
-		/**
-		 * This delegate does nothing.
-		 */
-		final class Null implements Delegate {
-			public static final Delegate INSTANCE = new Null();
-			public static Delegate instance() {
-				return INSTANCE;
-			}
-			// ensure single instance
-			private Null() {
-				super();
-			}
-			public void validate() {
-				// do nothing
-			}
-			@Override
-			public String toString() {
-				return "PluggableValidator.Delegate.Null";
-			}
-		}
-
-	}
-
-}