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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.host.corba;
import java.util.ArrayList;
import java.util.List;
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;
/**
* @version $Rev$ $Date$
* Default implementation of CorbaHostExtensionPoint
*/
public class DefaultCorbaHostExtensionPoint implements CorbaHostExtensionPoint, LifeCycleListener {
private ExtensionPointRegistry registry;
private boolean loaded;
private List<CorbaHost> corbaHosts = new ArrayList<CorbaHost>();
public DefaultCorbaHostExtensionPoint(ExtensionPointRegistry registry) {
this.registry = registry;
}
private synchronized void loadHosts() {
if (loaded) {
return;
}
try {
ServiceDeclaration sd = registry.getServiceDiscovery().getServiceDeclaration(CorbaHost.class);
CorbaHost host = ServiceHelper.newInstance(registry, sd);
ServiceHelper.start(host);
corbaHosts.add(host);
} catch (Throwable e) {
throw new ServiceRuntimeException(e);
}
}
public void addCorbaHost(CorbaHost host) {
corbaHosts.add(host);
}
public void removeCorbaHost(CorbaHost host) {
corbaHosts.remove(host);
}
public List<CorbaHost> getCorbaHosts() {
loadHosts();
return corbaHosts;
}
public void start() {
}
public void stop() {
ServiceHelper.stop(corbaHosts);
corbaHosts.clear();
loaded = false;
}
}
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