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/*
* 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.tuscany.sca.runtime;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.LifeCycleListener;
/**
* The utility responsible for finding the endpoint regstry by the scheme and creating instances for the
* given domain
* @tuscany.spi.extension.inheritfrom
*/
public abstract class BaseDomainRegistryFactory implements DomainRegistryFactory, LifeCycleListener {
protected ExtensionPointRegistry registry;
protected Map<Object, DomainRegistry> domainRegistries = new ConcurrentHashMap<Object, DomainRegistry>();
protected List<EndpointListener> listeners = new ArrayList<EndpointListener>();
/**
* @param extensionRegistry
*/
public BaseDomainRegistryFactory(ExtensionPointRegistry registry) {
super();
this.registry = registry;
}
public void start() {
}
public synchronized DomainRegistry getEndpointRegistry(String endpointRegistryURI, String domainURI) {
if (endpointRegistryURI == null) {
endpointRegistryURI = domainURI;
}
Object key = getKey(endpointRegistryURI, domainURI);
DomainRegistry domainRegistry = domainRegistries.get(key);
if (domainRegistry != null) {
return domainRegistry;
}
domainRegistry = createEndpointRegistry(endpointRegistryURI, domainURI);
if (domainRegistry instanceof LifeCycleListener) {
((LifeCycleListener)domainRegistry).start();
}
for (EndpointListener listener : listeners) {
domainRegistry.addEndpointListener(listener);
}
domainRegistries.put(key, domainRegistry);
return domainRegistry;
}
protected Object getKey(String endpointRegistryURI, String domainURI) {
return endpointRegistryURI + "," + domainURI;
}
protected abstract DomainRegistry createEndpointRegistry(String endpointRegistryURI, String domainURI);
public void stop() {
for (DomainRegistry domainRegistry : domainRegistries.values()) {
if (domainRegistry instanceof LifeCycleListener) {
((LifeCycleListener)domainRegistry).stop();
}
}
domainRegistries.clear();
listeners.clear();
}
public synchronized Collection<DomainRegistry> getEndpointRegistries() {
return new ArrayList<DomainRegistry>(domainRegistries.values());
}
public synchronized void addListener(EndpointListener listener) {
listeners.add(listener);
for (DomainRegistry registry : domainRegistries.values()) {
registry.addEndpointListener(listener);
}
}
public synchronized List<EndpointListener> getListeners() {
return listeners;
}
public synchronized void removeListener(EndpointListener listener) {
listeners.remove(listener);
for (DomainRegistry registry : domainRegistries.values()) {
registry.removeEndpointListener(listener);
}
}
}
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