blob: 452b3193d1197bb03600d044303459c56a4a452c (
plain) (
blame)
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
|
/*******************************************************************************
* Copyright (c) 2012 Wind River Systems, Inc. and others. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.runtime.persistence.internal;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.eclipse.tcf.te.runtime.extensions.AbstractExtensionPointManager;
import org.eclipse.tcf.te.runtime.extensions.ExecutableExtensionProxy;
import org.eclipse.tcf.te.runtime.persistence.interfaces.IVariableProvider;
/**
* VariableProviderExtensionPointManager
*/
public class VariableProviderExtensionPointManager extends AbstractExtensionPointManager<IVariableProvider> {
/*
* Thread save singleton instance creation.
*/
private static class LazyInstance {
public static VariableProviderExtensionPointManager instance = new VariableProviderExtensionPointManager();
}
/**
* Constructor.
*/
VariableProviderExtensionPointManager() {
super();
}
/**
* Returns the singleton instance of the extension point manager.
*/
public static VariableProviderExtensionPointManager getInstance() {
return LazyInstance.instance;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.extensions.AbstractExtensionPointManager#getExtensionPointId()
*/
@Override
protected String getExtensionPointId() {
return "org.eclipse.tcf.te.runtime.persistence.variableProviders"; //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.extensions.AbstractExtensionPointManager#getConfigurationElementName()
*/
@Override
protected String getConfigurationElementName() {
return "provider"; //$NON-NLS-1$
}
/**
* Returns all variable providers.
*
* @return The list of variable providers or an empty array.
*/
public IVariableProvider[] getProviders() {
List<IVariableProvider> contributions = new ArrayList<IVariableProvider>();
Collection<ExecutableExtensionProxy<IVariableProvider>> delegates = getExtensions().values();
for (ExecutableExtensionProxy<IVariableProvider> delegate : delegates) {
IVariableProvider instance = delegate.getInstance();
if (instance != null && !contributions.contains(instance)) {
contributions.add(instance);
}
}
return contributions.toArray(new IVariableProvider[contributions.size()]);
}
}
|
