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
|
/***************************************************************************
* Copyright (c) 2004 - 2008 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.internal.cdo.analyzer;
import org.eclipse.emf.cdo.analyzer.CDOFeatureAnalyzer;
import org.eclipse.emf.cdo.analyzer.CDOFetchRuleManager;
import org.eclipse.emf.cdo.protocol.model.CDOFeature;
import org.eclipse.emf.internal.cdo.InternalCDOObject;
import org.eclipse.emf.internal.cdo.bundle.OM;
import org.eclipse.net4j.internal.util.om.trace.ContextTracer;
/**
* @author Simon McDuff
*/
public abstract class CDOAbstractFeatureRuleAnalyzer implements CDOFeatureAnalyzer, CDOFetchRuleManager
{
private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG, CDOAbstractFeatureRuleAnalyzer.class);
protected CDOFeature lastTraverseFeature;
protected int lastTraverseIndex;
protected long lastAccessTime;
protected long lastElapseTimeBetweenOperations;
protected InternalCDOObject lastTraverseCDOObject;
protected long lastLatencyTime;
protected int loadRevisionCollectionChunkSize;
private boolean didFetch;
private int fetchCount = 0;
public CDOAbstractFeatureRuleAnalyzer()
{
}
public int getFetchCount()
{
return fetchCount;
}
public int getLoadRevisionCollectionChunkSize()
{
return loadRevisionCollectionChunkSize;
}
public void preTraverseFeature(InternalCDOObject cdoObject, CDOFeature feature, int index)
{
if (TRACER.isEnabled())
{
TRACER.format("preTraverseFeature : {0}.{1}", cdoObject.cdoClass(), feature.getName());
}
loadRevisionCollectionChunkSize = cdoObject.cdoView().getLoadRevisionCollectionChunkSize();
lastTraverseFeature = feature;
lastTraverseCDOObject = cdoObject;
lastTraverseIndex = index;
lastElapseTimeBetweenOperations = System.currentTimeMillis() - lastAccessTime;
lastAccessTime = System.currentTimeMillis();
didFetch = false;
CDOFetchRuleManagerThreadLocal.join(this);
doPreTraverseFeature(cdoObject, feature, index);
}
public void postTraverseFeature(InternalCDOObject cdoObject, CDOFeature feature, int index, Object value)
{
if (TRACER.isEnabled())
{
TRACER.format("postTraverseFeature : {0}.{1}", cdoObject.cdoClass(), feature.getName());
}
try
{
doPostTraverseFeature(cdoObject, feature, index, value);
}
finally
{
CDOFetchRuleManagerThreadLocal.leave();
lastAccessTime = System.currentTimeMillis();
}
}
protected void doPreTraverseFeature(InternalCDOObject cdoObject, CDOFeature feature, int index)
{
}
protected void doPostTraverseFeature(InternalCDOObject cdoObject, CDOFeature feature, int index, Object value)
{
}
protected void fetchData()
{
didFetch = true;
fetchCount++;
}
protected boolean didFetch()
{
return didFetch;
}
}
|
