blob: 29874d3483541248cbdccf92c6388cfea37bee8b (
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
|
/*******************************************************************************
* Copyright (c) 2008, 2009 IBM Corporation 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:
* IBM Corporation - initial API and implementation
* EclipseSource - ongoing development
*******************************************************************************/
package org.eclipse.equinox.internal.p2.ui.query;
import java.util.ArrayList;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.internal.p2.ui.ProvUIMessages;
import org.eclipse.equinox.internal.provisional.p2.director.IPlanner;
import org.eclipse.equinox.internal.provisional.p2.metadata.query.Collector;
import org.eclipse.equinox.internal.provisional.p2.metadata.query.IQueryable;
import org.eclipse.equinox.p2.engine.ProvisioningContext;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.metadata.query.IQuery;
import org.eclipse.equinox.p2.metadata.query.IQueryResult;
import org.eclipse.equinox.p2.ui.ProvisioningUI;
/**
* An object that implements a query for available updates
*/
public class QueryableUpdates implements IQueryable {
private IInstallableUnit[] iusToUpdate;
ProvisioningUI ui;
public QueryableUpdates(ProvisioningUI ui, IInstallableUnit[] iusToUpdate) {
this.ui = ui;
this.iusToUpdate = iusToUpdate;
}
public IQueryResult query(IQuery query, IProgressMonitor monitor) {
if (monitor == null)
monitor = new NullProgressMonitor();
int totalWork = 2000;
monitor.beginTask(ProvUIMessages.QueryableUpdates_UpdateListProgress, totalWork);
IPlanner planner = ui.getSession().getPlanner();
try {
ArrayList allUpdates = new ArrayList();
for (int i = 0; i < iusToUpdate.length; i++) {
if (monitor.isCanceled())
return Collector.EMPTY_COLLECTOR;
IInstallableUnit[] updates = planner.updatesFor(iusToUpdate[i], new ProvisioningContext(), new SubProgressMonitor(monitor, totalWork / 2 / iusToUpdate.length));
for (int j = 0; j < updates.length; j++)
allUpdates.add(updates[j]);
}
return query.perform(allUpdates.iterator());
} catch (OperationCanceledException e) {
// Nothing more to do, return result
return Collector.EMPTY_COLLECTOR;
} finally {
monitor.done();
}
}
}
|
