bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/adapter/ResourceAsyncListenerDelegate.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.db.common.procedure.adapter;
  13
  14 import org.simantics.db.AsyncReadGraph;
  15 import org.simantics.db.Resource;
  16 import org.simantics.db.procedure.AsyncListener;
  17
  18 abstract public class ResourceAsyncListenerDelegate<T> implements AsyncListener<T> {
  19
  20         final private Resource resource;
  21     final private AsyncListenerSupport support;
  22
  23     public ResourceAsyncListenerDelegate(Resource resource, AsyncListenerSupport support) {
  24         this.resource = resource;
  25         this.support = support;
  26     }
  27
  28     @Override
  29     final public void exception(AsyncReadGraph graph, Throwable throwable) {
  30         support.exception(graph, throwable);
  31     }
  32
  33     @Override
  34     final public boolean isDisposed() {
  35         return support.isDisposed();
  36     }
  37
  38     @Override
  39     public int hashCode() {
  40         return resource.hashCode();
  41     }
  42
  43     @Override
  44     public boolean equals(Object object) {
  45         if (this == object)
  46             return true;
  47         else if (object == null)
  48             return false;
  49         else if (getClass() != object.getClass())
  50             return false;
  51         ResourceAsyncListenerDelegate<?> r = (ResourceAsyncListenerDelegate<?>) object;
  52         return resource.equals(r.resource);
  53     }
  54
  55 }