bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/SimanticsClipboard.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.layer0.util;\r
  13 \r
  14 import java.util.Collection;\r
  15 import java.util.Collections;\r
  16 import java.util.Map;\r
  17 import java.util.Set;\r
  18 \r
  19 import org.simantics.db.RequestProcessor;\r
  20 import org.simantics.db.exception.DatabaseException;\r
  21 import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
  22 \r
  23 public interface SimanticsClipboard {\r
  24 \r
  25         public interface Representation {\r
  26                 \r
  27                 public Key getKey();\r
  28                 public <T> T getValue(RequestProcessor processor, Map<String,Object> hints) throws DatabaseException;\r
  29                 \r
  30         }\r
  31         \r
  32         Collection<Set<Representation>> getContents();\r
  33 \r
  34         public static final SimanticsClipboard EMPTY = new SimanticsClipboard() {\r
  35                 @Override\r
  36                 public Collection<Set<Representation>> getContents() {\r
  37                         return Collections.emptySet();\r
  38                 }\r
  39         };\r
  40 \r
  41 }\r