bundles/org.simantics.db/src/org/simantics/db/service/TransferableGraphSupport.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.service;
  13
  14 import java.io.InputStream;
  15
  16 import org.simantics.db.ReadGraph;
  17 import org.simantics.db.Resource;
  18 import org.simantics.db.VirtualGraph;
  19 import org.simantics.db.WriteOnlyGraph;
  20 import org.simantics.db.exception.DatabaseException;
  21
  22
  23 public interface TransferableGraphSupport {
  24
  25     InputStream getValueStream(ReadGraph graph, Resource resource);
  26     byte[] getValue(ReadGraph graph, Resource resource);
  27         void setValue(WriteOnlyGraph graph, Resource resource, VirtualGraph provider, byte[] raw) throws DatabaseException;
  28     void setValue(WriteOnlyGraph graph, Resource resource, VirtualGraph provider, ByteReader reader, int amount) throws DatabaseException;
  29
  30 }