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/*******************************************************************************
* Copyright (c) 2011 Wind River 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 - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.p2.tests.artifact.repository;
import java.io.File;
import java.net.URI;
import java.util.*;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Platform;
import org.eclipse.equinox.p2.core.ProvisionException;
import org.eclipse.equinox.p2.metadata.IArtifactKey;
import org.eclipse.equinox.p2.query.IQueryResult;
import org.eclipse.equinox.p2.repository.artifact.*;
import org.eclipse.equinox.p2.tests.AbstractProvisioningTest;
public class Bug351944 extends AbstractProvisioningTest {
File artifactRepoFile = null;
@Override
protected void setUp() throws Exception {
super.setUp();
File testData = getTestData("artifact repository", "testData/bug351944");
artifactRepoFile = getTempFolder();
copy("Copy to temporary folder", testData, artifactRepoFile);
changeWritePermission(artifactRepoFile, false);
}
/**
* it doesn't work on Windows to make a folder read-only then can't create
* new file in it
*/
private void changeWritePermission(File target, boolean canWrite) {
if (target.exists()) {
target.setWritable(canWrite);
if (target.isDirectory()) {
for (File child : target.listFiles()) {
child.setWritable(canWrite);
}
}
}
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
changeWritePermission(artifactRepoFile, true);
delete(artifactRepoFile);
}
public void testSimpleRepositoryPerformanceOnLoadReadonlyLocalRepository() throws ProvisionException {
if (!Platform.OS_WIN32.equals(Platform.getOS())) {
final URI testRepo = artifactRepoFile.toURI();
IArtifactRepositoryManager artifactRepositoryManager = getArtifactRepositoryManager();
IArtifactRepository repo = artifactRepositoryManager.loadRepository(testRepo, new NullProgressMonitor());
IQueryResult<IArtifactKey> allArtifactKeys = repo.query(ArtifactKeyQuery.ALL_KEYS, new NullProgressMonitor());
Set<IArtifactKey> keySet = allArtifactKeys.toUnmodifiableSet();
Collection<IArtifactRequest> requests = new ArrayList<IArtifactRequest>();
for (IArtifactKey key : keySet)
requests.add(artifactRepositoryManager.createMirrorRequest(key, repo, null, null));
long start = System.currentTimeMillis();
IArtifactRequest[] toBeRequests = getRequestsForRepository(repo, requests.toArray(new IArtifactRequest[requests.size()]));
long end = System.currentTimeMillis();
long queryArtifactOneByOne = end - start;
start = System.currentTimeMillis();
IArtifactRequest[] toBeRequests2 = getRequestsForRepository2(repo, requests.toArray(new IArtifactRequest[requests.size()]));
end = System.currentTimeMillis();
long queryAllArtifacts = end - start;
assertEquals("Test case has problem, not find same requests.", toBeRequests.length, toBeRequests2.length);
assertEquals("Querying artifact key from simple repository has performance issue.", queryAllArtifacts, queryArtifactOneByOne, 10);
}
}
/**
* copy from {@link org.eclipse.equinox.internal.p2.engine.DownloadManager}
* @param repository
* @param requestsToProcess
* @return
*/
private IArtifactRequest[] getRequestsForRepository(IArtifactRepository repository, IArtifactRequest[] requestsToProcess) {
ArrayList<IArtifactRequest> applicable = new ArrayList<IArtifactRequest>();
for (IArtifactRequest request : requestsToProcess) {
if (repository.contains(request.getArtifactKey()))
applicable.add(request);
}
return applicable.toArray(new IArtifactRequest[applicable.size()]);
}
private IArtifactRequest[] getRequestsForRepository2(IArtifactRepository repository, IArtifactRequest[] requestsToProcess) {
Set<IArtifactKey> keys = repository.query(ArtifactKeyQuery.ALL_KEYS, new NullProgressMonitor()).toSet();
ArrayList<IArtifactRequest> applicable = new ArrayList<IArtifactRequest>();
for (IArtifactRequest request : requestsToProcess) {
if (keys.contains(request.getArtifactKey()))
applicable.add(request);
}
return applicable.toArray(new IArtifactRequest[applicable.size()]);
}
}
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