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

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