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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.core.component;
import java.net.URI;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.tuscany.spi.component.AtomicComponent;
import org.apache.tuscany.spi.component.Component;
import org.apache.tuscany.spi.component.ComponentManager;
import org.apache.tuscany.spi.component.DuplicateNameException;
import org.apache.tuscany.spi.component.RegistrationException;
import org.apache.tuscany.spi.event.Event;
import org.apache.tuscany.spi.model.ServiceContract;
import org.apache.tuscany.spi.services.management.TuscanyManagementService;
import org.apache.tuscany.spi.idl.java.JavaServiceContract;
import org.apache.tuscany.core.resolver.AutowireResolver;
/**
* Default implementation of the component manager
*
* @version $Rev$ $Date$
*/
public class ComponentManagerImpl implements ComponentManager {
private TuscanyManagementService managementService;
private AutowireResolver resolver;
private Map<URI, Component> components;
public ComponentManagerImpl() {
components = new ConcurrentHashMap<URI, Component>();
}
public ComponentManagerImpl(TuscanyManagementService managementService, AutowireResolver resolver) {
this();
this.managementService = managementService;
this.resolver = resolver;
}
public synchronized void register(Component component) throws RegistrationException {
URI uri = component.getUri();
assert uri != null;
assert !uri.toString().endsWith("/");
if (components.containsKey(uri)) {
throw new DuplicateNameException(uri.toString());
}
components.put(uri, component);
if (managementService != null && component instanceof AtomicComponent) {
// FIXME shouldn't it take the canonical name and also not distinguish atomic components?
managementService.registerComponent(component.getUri().toString(), component);
}
}
public <S, I extends S> void registerJavaObject(URI uri, JavaServiceContract<S> service, I instance)
throws RegistrationException {
SystemSingletonAtomicComponent<S, I> component =
new SystemSingletonAtomicComponent<S, I>(uri, service, instance);
register(component);
if (resolver != null) {
for (ServiceContract contract : component.getServiceContracts()) {
resolver.addHostUri(contract, uri);
}
}
}
public <S, I extends S> void registerJavaObject(URI uri, List<JavaServiceContract<?>> services, I instance)
throws RegistrationException {
SystemSingletonAtomicComponent<S, I> component =
new SystemSingletonAtomicComponent<S, I>(uri, services, instance);
register(component);
if (resolver != null) {
for (ServiceContract contract : component.getServiceContracts()) {
resolver.addHostUri(contract, uri);
}
}
}
public synchronized void unregister(Component component) throws RegistrationException {
URI uri = component.getUri();
components.remove(uri);
}
public Component getComponent(URI name) {
return components.get(name);
}
public void onEvent(Event event) {
throw new UnsupportedOperationException();
}
}
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