DataTypeListener.java

/*******************************************************************************
 * Copyright (c) 2010-2012, Istvan Rath and Daniel Varro
 * 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:
 *   Tamas Szabo, Gabor Bergmann - initial API and implementation
 *******************************************************************************/
package org.eclipse.incquery.runtime.base.api;

import org.eclipse.emf.ecore.EDataType;

/**
 * Interface for observing insertion and deletion of instances of data types.
 * 
 * @author Tamas Szabo
 * 
 */
public interface DataTypeListener {

    /**
     * Called when the given instance of the given type is inserted.
     * 
     * @param type
     *            the {@link EDataType} instance
     * @param instance
     *            the instance of the data type
     */
    public void dataTypeInstanceInserted(EDataType type, Object instance);

    /**
     * Called when the given instance of the given type is deleted.
     * 
     * @param type
     *            the {@link EDataType} instance
     * @param instance
     *            the instance of the data type
     */
    public void dataTypeInstanceDeleted(EDataType type, Object instance);
}