Copyright (c) 2004, 2015 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) 2004, 2015 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.core.commands;

import org.eclipse.core.commands.common.AbstractNamedHandleEvent;

An instance of this class describes changes to an instance of
Category.

This class is not intended to be extended by clients.

See Also:
ICategoryListener.categoryChanged(CategoryEvent)
Since:
3.1/**
 * An instance of this class describes changes to an instance of
 * <code>Category</code>.
 * <p>
 * This class is not intended to be extended by clients.
 * </p>
 *
 * @since 3.1
 * @see ICategoryListener#categoryChanged(CategoryEvent)
 */
public final class CategoryEvent extends AbstractNamedHandleEvent {

	
The category that has changed; this value is never null.
/**
	 * The category that has changed; this value is never <code>null</code>.
	 */
	private final Category category;

	
Creates a new instance of this class.
Params:
category – 
           the instance of the interface that changed.
definedChanged – 
           true, iff the defined property changed.
descriptionChanged – 
           true, iff the description property changed.
nameChanged – 
           true, iff the name property changed./**
	 * Creates a new instance of this class.
	 *
	 * @param category
	 *            the instance of the interface that changed.
	 * @param definedChanged
	 *            true, iff the defined property changed.
	 * @param descriptionChanged
	 *            true, iff the description property changed.
	 * @param nameChanged
	 *            true, iff the name property changed.
	 */
	public CategoryEvent(final Category category, final boolean definedChanged,
			final boolean descriptionChanged, final boolean nameChanged) {
		super(definedChanged, descriptionChanged, nameChanged);

		if (category == null) {
			throw new NullPointerException();
		}
		this.category = category;
	}

	
Returns the instance of the interface that changed.
Returns:
the instance of the interface that changed. Guaranteed not to be
        null./**
	 * Returns the instance of the interface that changed.
	 *
	 * @return the instance of the interface that changed. Guaranteed not to be
	 *         <code>null</code>.
	 */
	public final Category getCategory() {
		return category;
	}
}