1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.diagram.adapter;
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14 import org.simantics.db.common.procedure.adapter.ListenerSupport;
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15 import org.simantics.db.procedure.Listener;
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18 * @author Tuukka Lehtonen
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22 public abstract class DisposableListener<T> implements Listener<T> {
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24 private final ListenerSupport support;
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25 private boolean disposed = false;
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27 public DisposableListener(ListenerSupport support) {
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28 this.support = support;
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32 * Forcefully and irreversibly dispose this listener.
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34 public void disposeListener() {
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39 public void exception(Throwable t) {
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40 support.exception(t);
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44 public boolean isDisposed() {
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45 return disposed || support.isDisposed();
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