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