1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/***************************************************************************
* Copyright (c) 2004-2007 Eike Stepper, Germany.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Simon McDuff - initial API and implementation
* Eike Stepper - maintenance
**************************************************************************/
package org.eclipse.emf.cdo.internal.server.protocol;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.io.CDODataInput;
import org.eclipse.emf.cdo.common.io.CDODataOutput;
import org.eclipse.emf.cdo.common.revision.CDORevision;
import org.eclipse.emf.cdo.internal.server.bundle.OM;
import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevision;
import org.eclipse.net4j.util.collection.Pair;
import org.eclipse.net4j.util.om.trace.ContextTracer;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* @author Simon McDuff
*/
public abstract class AbstractSyncRevisionsIndication extends CDOReadIndication
{
private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG_PROTOCOL, SyncRevisionsIndication.class);
protected List<Pair<InternalCDORevision, Long>> dirtyObjects = new ArrayList<Pair<InternalCDORevision, Long>>();
protected List<Pair<CDOID, Long>> detachedObjects = new ArrayList<Pair<CDOID, Long>>();
protected int referenceChunk = CDORevision.UNCHUNKED;
public AbstractSyncRevisionsIndication(CDOServerProtocol protocol, short signalID)
{
super(protocol, signalID);
}
@Override
protected void indicating(CDODataInput in) throws IOException
{
referenceChunk = in.readInt();
int size = in.readInt();
for (int i = 0; i < size; i++)
{
CDOID id = in.readCDOID();
int version = in.readInt();
process(id, version);
}
}
@Override
protected void responding(CDODataOutput out) throws IOException
{
if (TRACER.isEnabled())
{
TRACER.format("Sync found " + dirtyObjects.size() + " dirty objects");
}
out.writeInt(dirtyObjects.size());
for (Pair<InternalCDORevision, Long> revisionAndOldRevised : dirtyObjects)
{
out.writeCDORevision(revisionAndOldRevised.getElement1(), referenceChunk);
out.writeLong(revisionAndOldRevised.getElement2());
}
out.writeInt(detachedObjects.size());
for (Pair<CDOID, Long> idAndRevised : detachedObjects)
{
out.writeCDOID(idAndRevised.getElement1());
out.writeLong(idAndRevised.getElement2());
}
}
protected abstract void process(CDOID id, int version);
protected void udpateObjectList(CDOID id, int version)
{
try
{
InternalCDORevision revision = getRepository().getRevisionManager().getRevision(id, referenceChunk);
if (revision == null)
{
detachedObjects.add(new Pair<CDOID, Long>(id, getTimestamp(id, version)));
}
else if (revision.getVersion() > version || version == CDORevision.UNSPECIFIED_VERSION)
{
dirtyObjects.add(new Pair<InternalCDORevision, Long>(revision, getTimestamp(id, version)));
}
else if (revision.getVersion() < version)
{
throw new IllegalStateException("The object " + revision.getID() + " have a higher version ("
+ revision.getVersion() + ") in the repository than the version (" + version + ") submitted.");
}
}
catch (IllegalArgumentException revisionIsNullException)
{
detachedObjects.add(new Pair<CDOID, Long>(id, getTimestamp(id, version)));
}
}
protected long getTimestamp(CDOID id, int version)
{
CDORevision revision = getRepository().getRevisionManager().getRevisionByVersion(id, 0, version, false);
if (revision != null)
{
return revision.getRevised() + 1;
}
return CDORevision.UNSPECIFIED_DATE;
}
}
|
