com.liferay.exportimport.kernel.lifecycle.ExportImportLifecycleEventListenerRegistryUtil Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.exportimport.kernel.lifecycle;
import aQute.bnd.annotation.ProviderType;
import com.liferay.registry.Registry;
import com.liferay.registry.RegistryUtil;
import com.liferay.registry.ServiceReference;
import com.liferay.registry.ServiceRegistration;
import com.liferay.registry.ServiceTracker;
import com.liferay.registry.ServiceTrackerCustomizer;
import com.liferay.registry.collections.ServiceRegistrationMap;
import com.liferay.registry.collections.ServiceRegistrationMapImpl;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
/**
* @author Daniel Kocsis
*/
@ProviderType
public class ExportImportLifecycleEventListenerRegistryUtil {
public static Set
getAsyncExportImportLifecycleListeners() {
return _instance._getAsyncExportImportLifecycleListeners();
}
public static Set
getSyncExportImportLifecycleListeners() {
return _instance._getSyncExportImportLifecycleListeners();
}
public static void register(
ExportImportLifecycleListener exportImportLifecycleListener) {
_instance._register(exportImportLifecycleListener);
}
public static void unregister(
ExportImportLifecycleListener exportImportLifecycleListener) {
_instance._unregister(exportImportLifecycleListener);
}
public static void unregister(
List exportImportLifecycleListeners) {
for (ExportImportLifecycleListener exportImportLifecycleListener :
exportImportLifecycleListeners) {
unregister(exportImportLifecycleListener);
}
}
private ExportImportLifecycleEventListenerRegistryUtil() {
Registry registry = RegistryUtil.getRegistry();
_serviceTracker = registry.trackServices(
ExportImportLifecycleListener.class,
new ExportImportLifecycleListenerServiceTrackerCustomizer());
_serviceTracker.open();
}
private Set
_getAsyncExportImportLifecycleListeners() {
return _asyncExportImportLifecycleListeners;
}
private Set
_getSyncExportImportLifecycleListeners() {
return _syncExportImportLifecycleListeners;
}
private void _register(
ExportImportLifecycleListener exportImportLifecycleListener) {
Registry registry = RegistryUtil.getRegistry();
ServiceRegistration serviceRegistration =
registry.registerService(
ExportImportLifecycleListener.class,
exportImportLifecycleListener);
_serviceRegistrations.put(
exportImportLifecycleListener, serviceRegistration);
}
private void _unregister(
ExportImportLifecycleListener exportImportLifecycleListener) {
ServiceRegistration serviceRegistration =
_serviceRegistrations.remove(exportImportLifecycleListener);
if (serviceRegistration != null) {
serviceRegistration.unregister();
}
}
private static final ExportImportLifecycleEventListenerRegistryUtil
_instance = new ExportImportLifecycleEventListenerRegistryUtil();
private final Set
_asyncExportImportLifecycleListeners = Collections.newSetFromMap(
new ConcurrentHashMap<>());
private final ServiceRegistrationMap
_serviceRegistrations = new ServiceRegistrationMapImpl<>();
private final ServiceTracker
_serviceTracker;
private final Set
_syncExportImportLifecycleListeners = Collections.newSetFromMap(
new ConcurrentHashMap<>());
private class ExportImportLifecycleListenerServiceTrackerCustomizer
implements ServiceTrackerCustomizer
{
@Override
public ExportImportLifecycleListener addingService(
ServiceReference serviceReference) {
Registry registry = RegistryUtil.getRegistry();
ExportImportLifecycleListener exportImportLifecycleListener =
registry.getService(serviceReference);
if (exportImportLifecycleListener instanceof
ProcessAwareExportImportLifecycleListener) {
exportImportLifecycleListener =
ExportImportLifecycleListenerFactoryUtil.create(
(ProcessAwareExportImportLifecycleListener)
exportImportLifecycleListener);
}
else if (exportImportLifecycleListener instanceof
EventAwareExportImportLifecycleListener) {
exportImportLifecycleListener =
ExportImportLifecycleListenerFactoryUtil.create(
(EventAwareExportImportLifecycleListener)
exportImportLifecycleListener);
}
if (exportImportLifecycleListener.isParallel()) {
_asyncExportImportLifecycleListeners.add(
exportImportLifecycleListener);
}
else {
_syncExportImportLifecycleListeners.add(
exportImportLifecycleListener);
}
return exportImportLifecycleListener;
}
@Override
public void modifiedService(
ServiceReference serviceReference,
ExportImportLifecycleListener exportImportLifecycleListener) {
}
@Override
public void removedService(
ServiceReference serviceReference,
ExportImportLifecycleListener exportImportLifecycleListener) {
Registry registry = RegistryUtil.getRegistry();
registry.ungetService(serviceReference);
if (exportImportLifecycleListener.isParallel()) {
_asyncExportImportLifecycleListeners.remove(
exportImportLifecycleListener);
}
else {
_syncExportImportLifecycleListeners.remove(
exportImportLifecycleListener);
}
}
}
}