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/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed 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.onosproject.store.trivial;
import com.google.common.collect.ImmutableSet;
import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Deactivate;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferenceCardinality;
import org.apache.felix.scr.annotations.Service;
import org.onosproject.app.ApplicationDescription;
import org.onosproject.app.ApplicationEvent;
import org.onosproject.app.ApplicationState;
import org.onosproject.app.ApplicationStore;
import org.onosproject.common.app.ApplicationArchive;
import org.onosproject.core.Application;
import org.onosproject.core.ApplicationId;
import org.onosproject.core.ApplicationIdStore;
import org.onosproject.core.DefaultApplication;
import org.onosproject.security.Permission;
import org.slf4j.Logger;
import java.io.InputStream;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import static org.onosproject.app.ApplicationEvent.Type.*;
import static org.onosproject.app.ApplicationState.ACTIVE;
import static org.onosproject.app.ApplicationState.INSTALLED;
import static org.slf4j.LoggerFactory.getLogger;
/**
* Manages inventory of network control applications.
*/
@Component(immediate = true)
@Service
public class SimpleApplicationStore extends ApplicationArchive implements ApplicationStore {
private final Logger log = getLogger(getClass());
// App inventory & states
private final ConcurrentMap<ApplicationId, DefaultApplication> apps = new ConcurrentHashMap<>();
private final ConcurrentMap<ApplicationId, ApplicationState> states = new ConcurrentHashMap<>();
private final ConcurrentMap<ApplicationId, Set<Permission>> permissions = new ConcurrentHashMap<>();
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected ApplicationIdStore idStore;
@Activate
public void activate() {
loadFromDisk();
log.info("Started");
}
private void loadFromDisk() {
for (String name : getApplicationNames()) {
ApplicationId appId = idStore.registerApplication(name);
ApplicationDescription appDesc = getApplicationDescription(name);
DefaultApplication app =
new DefaultApplication(appId, appDesc.version(),
appDesc.description(), appDesc.origin(),
appDesc.role(), appDesc.permissions(),
appDesc.featuresRepo(), appDesc.features(),
appDesc.requiredApps());
apps.put(appId, app);
states.put(appId, isActive(name) ? INSTALLED : ACTIVE);
// load app permissions
}
}
@Deactivate
public void deactivate() {
apps.clear();
states.clear();
permissions.clear();
log.info("Stopped");
}
@Override
public Set<Application> getApplications() {
return ImmutableSet.copyOf(apps.values());
}
@Override
public ApplicationId getId(String name) {
return idStore.getAppId(name);
}
@Override
public Application getApplication(ApplicationId appId) {
return apps.get(appId);
}
@Override
public ApplicationState getState(ApplicationId appId) {
return states.get(appId);
}
@Override
public Application create(InputStream appDescStream) {
ApplicationDescription appDesc = saveApplication(appDescStream);
ApplicationId appId = idStore.registerApplication(appDesc.name());
DefaultApplication app =
new DefaultApplication(appId, appDesc.version(), appDesc.description(),
appDesc.origin(), appDesc.role(), appDesc.permissions(),
appDesc.featuresRepo(), appDesc.features(),
appDesc.requiredApps());
apps.put(appId, app);
states.put(appId, INSTALLED);
delegate.notify(new ApplicationEvent(APP_INSTALLED, app));
return app;
}
@Override
public void remove(ApplicationId appId) {
Application app = apps.remove(appId);
if (app != null) {
states.remove(appId);
delegate.notify(new ApplicationEvent(APP_UNINSTALLED, app));
purgeApplication(app.id().name());
}
}
@Override
public void activate(ApplicationId appId) {
Application app = apps.get(appId);
if (app != null) {
setActive(appId.name());
states.put(appId, ACTIVE);
delegate.notify(new ApplicationEvent(APP_ACTIVATED, app));
}
}
@Override
public void deactivate(ApplicationId appId) {
Application app = apps.get(appId);
if (app != null) {
clearActive(appId.name());
states.put(appId, INSTALLED);
delegate.notify(new ApplicationEvent(APP_DEACTIVATED, app));
}
}
@Override
public Set<Permission> getPermissions(ApplicationId appId) {
return permissions.get(appId);
}
@Override
public void setPermissions(ApplicationId appId, Set<Permission> permissions) {
Application app = getApplication(appId);
if (app != null) {
this.permissions.put(appId, permissions);
delegate.notify(new ApplicationEvent(APP_PERMISSIONS_CHANGED, app));
}
}
}
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