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
|
/***************************************************************************
* 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.common.analyzer.CDOFetchRule;
import org.eclipse.emf.cdo.common.model.CDOClass;
import org.eclipse.emf.cdo.common.model.CDOFeature;
import org.eclipse.emf.internal.cdo.bundle.OM;
import org.eclipse.net4j.util.om.trace.ContextTracer;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
/**
* @author Simon McDuff
*/
public class CDOAnalyzerFeatureInfo
{
private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG, CDOAnalyzerFeatureInfo.class);
private Map<CDOFetchFeatureInfo, CDOFetchFeatureInfo> featureStats = new HashMap<CDOFetchFeatureInfo, CDOFetchFeatureInfo>();
private Map<CDOClass, CDOFetchRule> fetchRules = new HashMap<CDOClass, CDOFetchRule>();
public CDOAnalyzerFeatureInfo()
{
}
public Collection<CDOFetchRule> getRules(CDOClass cdoClass, CDOFeature cdoFeature)
{
return fetchRules.values();
}
public synchronized CDOFetchFeatureInfo getFeatureStat(CDOClass cdoClass, CDOFeature cdoFeature)
{
CDOFetchFeatureInfo search = new CDOFetchFeatureInfo(cdoClass, cdoFeature);
CDOFetchFeatureInfo featureRule = featureStats.get(search);
if (featureRule == null)
{
featureRule = search;
featureStats.put(search, featureRule);
}
return featureRule;
}
public boolean isActive(CDOClass cdoClass, CDOFeature cdoFeature)
{
CDOFetchFeatureInfo search = new CDOFetchFeatureInfo(cdoClass, cdoFeature);
CDOFetchFeatureInfo featureRule = featureStats.get(search);
return featureRule != null && featureRule.isActive();
}
public void activate(CDOClass cdoClass, CDOFeature cdoFeature)
{
CDOFetchFeatureInfo info = getFeatureStat(cdoClass, cdoFeature);
if (!info.isActive())
{
info.setActive(true);
addRule(cdoClass, cdoFeature);
}
}
public void deactivate(CDOClass cdoClass, CDOFeature cdoFeature)
{
CDOFetchFeatureInfo info = getFeatureStat(cdoClass, cdoFeature);
if (info.isActive())
{
info.setActive(false);
removeRule(cdoClass, cdoFeature);
}
}
private void addRule(CDOClass cdoClass, CDOFeature cdoFeature)
{
if (TRACER.isEnabled())
{
TRACER.format("Adding rule : {0}.{1}", cdoClass.getName(), cdoFeature.getName());
}
CDOFetchRule fetchRule = fetchRules.get(cdoClass);
if (fetchRule == null)
{
fetchRule = new CDOFetchRule(cdoClass);
fetchRules.put(cdoClass, fetchRule);
}
fetchRule.addFeature(cdoFeature);
}
private void removeRule(CDOClass cdoClass, CDOFeature cdoFeature)
{
if (TRACER.isEnabled())
{
TRACER.format("Removing rule : {0}.{1}", cdoClass.getName(), cdoFeature.getName());
}
CDOFetchRule fetchRule = fetchRules.get(cdoClass);
if (fetchRule == null)
{
return;
}
fetchRule.removeFeature(cdoFeature);
}
}
|
