bundles/org.simantics.db.procore/src/org/simantics/db/procore/cluster/ClusterChangeSetI.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.procore.cluster;
  13
  14 import org.simantics.db.service.ClusterUID;
  15
  16
  17 public interface ClusterChangeSetI {
  18     enum OperationEnum {
  19         Null,
  20         CreateResource,
  21         AddRelation,
  22         RemoveRelation,
  23         SetValue,
  24         DeleteValue,
  25         ModifyValue,
  26         EndOf;
  27     }
  28     public static class Operation {
  29            ClusterChangeSet.IteratorI iterator; // Position of the iteration. Do not mess with this.
  30            public OperationEnum type;
  31            public int count; // number of arguments
  32            public short resourceIndex;
  33            public short predicateIndex;
  34            public ClusterUID predicateCluster;
  35            public short objectIndex;
  36            public ClusterUID objectCluster;
  37            public long valueOffset;
  38            public int valueSize;
  39            public byte[] valueData; // The actual byte table where value data is. Do not mess with this.
  40            public int valueStart; // Start of value in valueData.
  41            public long cs;
  42            public long prevCs;
  43     };
  44     public void getNextOperation(Operation operation); // Skips unasked arguments.
  45         public ClusterUID getClusterUID();
  46 }