bundles/org.simantics.db.common/src/org/simantics/db/common/adaption/SimpleContextualAdapter.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.adaption;\r
  13 \r
  14 import org.simantics.db.AsyncReadGraph;\r
  15 import org.simantics.db.ReadGraph;\r
  16 import org.simantics.db.Resource;\r
  17 import org.simantics.db.adaption.Adapter;\r
  18 import org.simantics.db.exception.DatabaseException;\r
  19 import org.simantics.db.procedure.AsyncProcedure;\r
  20 import org.simantics.db.request.Read;\r
  21 \r
  22 public abstract class SimpleContextualAdapter<T,C> implements Adapter<T, C> {\r
  23 \r
  24     public abstract T adapt(ReadGraph g, Resource source, C context) throws DatabaseException;\r
  25 \r
  26     @Override\r
  27     public void adapt(AsyncReadGraph g, final Resource source, final C context, AsyncProcedure<T> procedure) {\r
  28 \r
  29         //System.out.println("SimpleAdapter.adapt" + this.getClass());\r
  30 \r
  31         g.asyncRequest(new Read<T>() {\r
  32 \r
  33             @Override\r
  34             public T perform(ReadGraph graph) throws DatabaseException {\r
  35                 //System.out.println("SimpleAdapter.perform" + this.getClass());\r
  36                 return adapt(graph, source, context);\r
  37             }\r
  38             \r
  39             @Override\r
  40             public String toString() {\r
  41                 return SimpleContextualAdapter.this.toString();\r
  42             }\r
  43             \r
  44         }, procedure);\r
  45 \r
  46     }\r
  47 \r
  48 }\r