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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.model.assembly.impl;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.tuscany.model.assembly.AssemblyContext;
import org.apache.tuscany.model.assembly.AssemblyFactory;
import org.apache.tuscany.model.assembly.AssemblyInitializationException;
import org.apache.tuscany.model.assembly.AssemblyVisitor;
import org.apache.tuscany.model.assembly.Component;
import org.apache.tuscany.model.assembly.ComponentType;
import org.apache.tuscany.model.assembly.ConfiguredPort;
import org.apache.tuscany.model.assembly.ConfiguredProperty;
import org.apache.tuscany.model.assembly.ConfiguredReference;
import org.apache.tuscany.model.assembly.ConfiguredService;
import org.apache.tuscany.model.assembly.Implementation;
import org.apache.tuscany.model.assembly.Property;
import org.apache.tuscany.model.assembly.Reference;
import org.apache.tuscany.model.assembly.Service;
import org.apache.tuscany.model.util.NotifyingList;
/**
* An implementation of Component.
*/
public abstract class ComponentImpl<I extends Implementation> extends PartImpl implements Component<I> {
/**
* A list of configured ports synchronized with a map
*/
private class ConfiguredPortList<E extends ConfiguredPort> extends NotifyingList<E>{
Map<String, E> map;
private ConfiguredPortList(Map<String, E> map) {
this.map=map;
}
protected void added(E element) {
String name=element.getPort()!=null? element.getPort().getName():element.getName();
map.put(name, element);
element.setPart(ComponentImpl.this);
}
protected void removed(E element) {
String name=element.getPort()!=null? element.getPort().getName():element.getName();
map.remove(name);
element.setPart(null);
}
}
private Map<String, ConfiguredReference> configuredReferencesMap = new HashMap<String, ConfiguredReference>();
private List<ConfiguredReference> configuredReferences = new ConfiguredPortList<ConfiguredReference>(configuredReferencesMap);
private Map<String, ConfiguredService> configuredServicesMap = new HashMap<String, ConfiguredService>();
private List<ConfiguredService> configuredServices = new ConfiguredPortList<ConfiguredService>(configuredServicesMap);
/**
* A list of properties synchronized with a map
*/
private class ConfiguredPropertyList<E extends ConfiguredProperty> extends NotifyingList<E>{
protected void added(E element) {
String name=element.getProperty()!=null? element.getProperty().getName():element.getName();
configuredPropertiesMap.put(name, element);
}
protected void removed(E element) {
String name=element.getProperty()!=null? element.getProperty().getName():element.getName();
configuredPropertiesMap.remove(name);
}
}
private List<ConfiguredProperty> configuredProperties = new ConfiguredPropertyList<ConfiguredProperty>();
private Map<String, ConfiguredProperty> configuredPropertiesMap=new HashMap<String, ConfiguredProperty>();
private I implementation;
public I getImplementation() {
return implementation;
}
public void setImplementation(I value) {
checkNotFrozen();
implementation = value;
}
public List<ConfiguredService> getConfiguredServices() {
return configuredServices;
}
public ConfiguredService getConfiguredService(String name) {
return configuredServicesMap.get(name);
}
public List<ConfiguredReference> getConfiguredReferences() {
return configuredReferences;
}
public ConfiguredReference getConfiguredReference(String name) {
return configuredReferencesMap.get(name);
}
public List<ConfiguredProperty> getConfiguredProperties() {
return configuredProperties;
}
public ConfiguredProperty getConfiguredProperty(String name) {
return configuredPropertiesMap.get(name);
}
public void initialize(AssemblyContext modelContext) {
if (isInitialized())
return;
super.initialize(modelContext);
// Initialize the implementation
if (implementation == null) {
throw new AssemblyInitializationException("No implementation for component [" + getName() + ']');
}
implementation.initialize(modelContext);
// Derive the configured services from the component implementation
ComponentType componentType=implementation.getComponentType();
AssemblyFactory factory = modelContext.getAssemblyFactory();
for (Service service : componentType.getServices()) {
ConfiguredService configuredService = factory.createConfiguredService();
configuredService.setPort(service);
configuredServices.add(configuredService);
configuredService.initialize(modelContext);
}
// Derive the configured references from the references on the component info
for (Reference reference : componentType.getReferences()) {
ConfiguredReference configuredReference = configuredReferencesMap.get(reference.getName());
if (configuredReference==null) {
configuredReference=factory.createConfiguredReference();
configuredReference.setPort(reference);
configuredReferences.add(configuredReference);
configuredReference.initialize(modelContext);
} else {
configuredReference.setPort(reference);
configuredReference.initialize(modelContext);
}
}
for (ConfiguredReference configuredReference : configuredReferences) {
if (configuredReference.getPort()==null) {
throw new AssemblyInitializationException("Undefined reference ["+configuredReference.getName()+"]");
}
}
// Derive the configured properties from the properties on the component info
for (Property property : componentType.getProperties()) {
ConfiguredProperty configuredProperty = configuredPropertiesMap.get(property.getName());
if (configuredProperty != null) {
configuredProperty.setProperty(property);
configuredProperty.initialize(modelContext);
}
}
for (ConfiguredProperty configuredProperty : configuredProperties) {
if (configuredProperty.getProperty()==null) {
throw new AssemblyInitializationException("Undefined property ["+configuredProperty.getName()+"]");
}
}
}
public void freeze() {
if (isFrozen())
return;
super.freeze();
// Freeze configured services, references and properties
configuredServices = freeze(configuredServices);
configuredReferences = freeze(configuredReferences);
configuredProperties = freeze(configuredProperties);
if (implementation != null)
implementation.freeze();
}
public boolean accept(AssemblyVisitor visitor) {
if (!super.accept(visitor))
return false;
if (!accept(configuredServices, visitor))
return false;
if (!accept(configuredReferences, visitor))
return false;
if (!accept(configuredProperties, visitor))
return false;
if (implementation != null) {
if (!implementation.accept(visitor))
return false;
}
return true;
}
}
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