Copyright (c) 2005, 2008 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ltk.internal.core.refactoring.history;

import org.eclipse.core.runtime.Assert;

import org.eclipse.ltk.core.refactoring.RefactoringDescriptorProxy;

Default implementation of a refactoring descriptor proxy.
Since:
3.2/**
 * Default implementation of a refactoring descriptor proxy.
 *
 * @since 3.2
 */
final class DefaultRefactoringDescriptorProxy extends RefactoringDescriptorProxy {

	
The description of the refactoring /** The description of the refactoring */
	private final String fDescription;

	
The non-empty name of the project, or null /** The non-empty name of the project, or <code>null</code> */
	private final String fProject;

	
The time stamp of the refactoring /** The time stamp of the refactoring */
	private final long fTimeStamp;

	
Creates a new default refactoring descriptor proxy.
Params:
description – 
           the description
project – 
           the project name, or null
stamp – 
           the time stamp/**
	 * Creates a new default refactoring descriptor proxy.
	 *
	 * @param description
	 *            the description
	 * @param project
	 *            the project name, or <code>null</code>
	 * @param stamp
	 *            the time stamp
	 */
	public DefaultRefactoringDescriptorProxy(final String description, final String project, final long stamp) {
		Assert.isTrue(project == null || !"".equals(project)); //$NON-NLS-1$
		Assert.isTrue(description != null && !"".equals(description)); //$NON-NLS-1$
		fDescription= description.intern();
		fProject= project != null ? project.intern() : null;
		fTimeStamp= stamp;
	}

	@Override
	public String getDescription() {
		return fDescription;
	}

	@Override
	public String getProject() {
		return fProject;
	}

	@Override
	public long getTimeStamp() {
		return fTimeStamp;
	}

	@Override
	public String toString() {

		final StringBuilder buffer= new StringBuilder(128);

		buffer.append(getClass().getName());
		buffer.append("[stamp="); //$NON-NLS-1$
		buffer.append(fTimeStamp);
		buffer.append(",project="); //$NON-NLS-1$
		buffer.append(fProject);
		buffer.append(",description="); //$NON-NLS-1$
		buffer.append(fDescription);
		buffer.append("]"); //$NON-NLS-1$

		return buffer.toString();
	}
}