com.liferay.portal.kernel.search.OpenSearchRegistryUtil 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.portal.kernel.search;
import com.liferay.registry.Registry;
import com.liferay.registry.RegistryUtil;
import com.liferay.registry.ServiceReference;
import com.liferay.registry.ServiceTracker;
import com.liferay.registry.ServiceTrackerCustomizer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* @author Eudaldo Alonso
*/
public class OpenSearchRegistryUtil {
public static OpenSearch getOpenSearch(Class clazz) {
return _instance._openSearchInstances.get(clazz.getName());
}
public static OpenSearch getOpenSearch(String className) {
return _instance._openSearchInstances.get(className);
}
public static List getOpenSearchInstances() {
List openSearchInstances = new ArrayList<>(
_instance._openSearchInstances.values());
return Collections.unmodifiableList(openSearchInstances);
}
private OpenSearchRegistryUtil() {
Registry registry = RegistryUtil.getRegistry();
_serviceTracker = registry.trackServices(
OpenSearch.class, new OpenSearchServiceTrackerCustomizer());
_serviceTracker.open();
}
private static final OpenSearchRegistryUtil _instance =
new OpenSearchRegistryUtil();
private final Map _openSearchInstances =
new ConcurrentHashMap<>();
private final ServiceTracker _serviceTracker;
private class OpenSearchServiceTrackerCustomizer
implements ServiceTrackerCustomizer {
@Override
public OpenSearch addingService(
ServiceReference serviceReference) {
Registry registry = RegistryUtil.getRegistry();
OpenSearch openSearch = registry.getService(serviceReference);
_openSearchInstances.put(openSearch.getClassName(), openSearch);
return openSearch;
}
@Override
public void modifiedService(
ServiceReference serviceReference,
OpenSearch openSearch) {
}
@Override
public void removedService(
ServiceReference serviceReference,
OpenSearch openSearch) {
Registry registry = RegistryUtil.getRegistry();
registry.ungetService(serviceReference);
_openSearchInstances.remove(openSearch.getClassName());
}
}
}