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.db.common.procedure.adapter;
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14 import org.simantics.db.procedure.Listener;
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17 * Use this listener to ensure caching for a request. This listener will not lock the request in cache.
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20 public class TransientCacheListener<T> implements Listener<T> {
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22 @SuppressWarnings("rawtypes")
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23 private static TransientCacheListener INSTANCE = new TransientCacheListener();
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25 @SuppressWarnings("unchecked")
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26 public static <T> TransientCacheListener<T> instance() {
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27 return (TransientCacheListener<T>) INSTANCE;
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31 public final boolean isDisposed() {
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36 public int hashCode() {
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37 return TransientCacheListener.class.hashCode();
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41 public boolean equals(Object other) {
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42 return other instanceof TransientCacheListener<?>;
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46 public void execute(T result) {
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50 public void exception(Throwable t) {
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