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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.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.LifeCycleListener;
import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
import org.apache.tuscany.sca.extensibility.ServiceHelper;
import org.oasisopen.sca.ServiceRuntimeException;
/**
* Default implementation of DomainRegistryFactoryExtensionPoint
*/
public class DefaultDomainRegistryFactoryExtensionPoint implements DomainRegistryFactoryExtensionPoint,
LifeCycleListener {
private ExtensionPointRegistry registry;
private boolean loaded;
private List<DomainRegistryFactory> factories = new ArrayList<DomainRegistryFactory>();
private Map<String, String> domainRegistryMapping = new HashMap<String, String>();
/**
* @param registry
*/
public DefaultDomainRegistryFactoryExtensionPoint(ExtensionPointRegistry registry, Map<String, String> attributes) {
super();
this.registry = registry;
// Populate the domainRegistryMapping
domainRegistryMapping.putAll(attributes);
domainRegistryMapping.remove("class");
domainRegistryMapping.remove("ranking");
}
public void addDomainRegistryFactory(DomainRegistryFactory factory) {
ServiceHelper.start(factory);
factories.add(factory);
}
public List<DomainRegistryFactory> getDomainRegistryFactories() {
load();
return factories;
}
private synchronized void load() {
if (loaded) {
return;
}
try {
Collection<ServiceDeclaration> declarations =
registry.getServiceDiscovery().getServiceDeclarations(DomainRegistryFactory.class, true);
for (ServiceDeclaration declaration : declarations) {
DomainRegistryFactory factory = ServiceHelper.newInstance(registry, declaration);
addDomainRegistryFactory(factory);
}
} catch (Exception e) {
throw new ServiceRuntimeException(e);
} finally {
loaded = true;
}
}
public void removeDomainRegistryFactory(DomainRegistryFactory factory) {
if (factories.remove(factory)) {
ServiceHelper.stop(factory);
}
}
public void start() {
// Empty
}
public void stop() {
ServiceHelper.stop(factories);
}
public Map<String, String> getDomainRegistryMapping() {
return domainRegistryMapping;
}
}
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