/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.aries.subsystem.itests.performance;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.concurrent.Callable;
import java.util.concurrent.Future;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import org.apache.aries.subsystem.core.archive.PreferredProviderHeader;
import org.apache.aries.subsystem.core.archive.SubsystemManifest;
import org.junit.Test;
import org.osgi.framework.Constants;
import org.osgi.service.subsystem.Subsystem;
import org.osgi.service.subsystem.SubsystemConstants;
public class ManyFeaturesWithSharedBundlesTest extends AbstractPerformanceTest {
private static final int FEATURE_COUNT = 50;
public static void main(String[] args) throws IOException {
ManyFeaturesWithSharedBundlesTest test = new ManyFeaturesWithSharedBundlesTest();
InputStream is = test.createFeature("feature");
FileOutputStream fos = new FileOutputStream("feature.esa");
copy(is, fos);
is.close();
fos.close();
}
@Test
@org.junit.Ignore
public void testInstallAllFeatures() throws Exception {
Collection<Callable<Subsystem>> callables = createInstallFeatureCallables();
runTrials(callables);
}
@Test
@org.junit.Ignore
public void testInstallOneFeatureAfterAll() throws Exception {
Collection<Callable<Subsystem>> callables = createInstallFeatureCallables();
Collection<Future<Subsystem>> futures = executor.invokeAll(callables);
Callable<Subsystem> callable = new Callable<Subsystem>() {
@Override
public Subsystem call() throws Exception {
Subsystem feature = getRootSubsystem().install("onefeature", createFeature("onefeature"));
return feature;
}
};
runTrials(Collections.singletonList(callable));
uninstallSubsystems(futures);
}
private InputStream createApplication(String symbolicName) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ZipOutputStream zos = new ZipOutputStream(baos);
addBundles(zos, "applicationbundle", "package", Constants.IMPORT_PACKAGE);
zos.putNextEntry(new ZipEntry("OSGI-INF/SUBSYSTEM.MF"));
StringBuilder preferredProviders = new StringBuilder("featurebundle0;type=osgi.bundle");
for (int i = 1; i < BUNDLE_COUNT; i++) {
preferredProviders.append(",featurebundle").append(i).append(";type=osgi.bundle");
}
new SubsystemManifest.Builder()
.symbolicName(symbolicName)
.type(SubsystemConstants.SUBSYSTEM_TYPE_APPLICATION)
.header(new PreferredProviderHeader(preferredProviders.toString()))
.build()
.write(zos);
zos.closeEntry();
zos.close();
return new ByteArrayInputStream(baos.toByteArray());
}
private InputStream createFeature(String symbolicName) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ZipOutputStream zos = new ZipOutputStream(baos);
addBundles(zos, "featurebundle", "package", Constants.EXPORT_PACKAGE);
zos.putNextEntry(new ZipEntry("application.esa"));
copy(createApplication("application"), zos);
zos.closeEntry();
zos.putNextEntry(new ZipEntry("OSGI-INF/SUBSYSTEM.MF"));
new SubsystemManifest.Builder()
.symbolicName(symbolicName)
.type(SubsystemConstants.SUBSYSTEM_TYPE_FEATURE)
.build()
.write(zos);
zos.closeEntry();
zos.close();
return new ByteArrayInputStream(baos.toByteArray());
}
private Collection<Callable<Subsystem>> createInstallFeatureCallables() {
Collection<Callable<Subsystem>> callables = new ArrayList<Callable<Subsystem>>(FEATURE_COUNT);
for (int i = 0; i < FEATURE_COUNT; i++) {
final int count = i;
callables.add(new Callable<Subsystem>() {
@Override
public Subsystem call() throws Exception {
Subsystem feature = getRootSubsystem().install("feature" + count, createFeature("feature" + count));
System.out.println("Installed feature " + count);
return feature;
}
});
}
return callables;
}
}