Copyright (c) 2006, 2017 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) 2006, 2017 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.team.core.diff;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.team.core.diff.provider.Diff;

A specialized DiffNodeFilter that does not require a progress monitor.
This enables these filters to be used when determining menu enablement or other
operations that must be short running.
See Also:
IDiff
IDiffTree
DiffFilter
Since:
3.2/**
 * A specialized <code>DiffNodeFilter</code> that does not require a progress monitor.
 * This enables these filters to be used when determining menu enablement or other
 * operations that must be short running.
 *
 * @see IDiff
 * @see IDiffTree
 * @see DiffFilter
 * @since 3.2
 */
public abstract class FastDiffFilter extends DiffFilter {

	public static final FastDiffFilter getStateFilter(final int[] states, final int mask) {
		return new FastDiffFilter() {
			@Override
			public boolean select(IDiff node) {
				int status = ((Diff)node).getStatus();
				for (int i = 0; i < states.length; i++) {
					int state = states[i];
					if ((status & mask) == state) {
						return true;
					}
				}
				return false;
			}
		};
	}

	@Override
	public final boolean select(IDiff diff, IProgressMonitor monitor) {
		return select(diff);
	}

	
Return true if the provided IDiffNode matches the filter.
Params:
diff – the IDiffNode to be tested
Returns:
true if the IDiffNode matches the filter/**
	 * Return <code>true</code> if the provided <code>IDiffNode</code> matches the filter.
	 *
	 * @param diff the <code>IDiffNode</code> to be tested
	 * @return <code>true</code> if the <code>IDiffNode</code> matches the filter
	 */
	public abstract boolean select(IDiff diff);
}