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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.core.spring.assembly.impl;
import java.util.ArrayList;
import java.util.List;
import org.apache.tuscany.sca.assembly.Component;
import org.apache.tuscany.sca.assembly.ComponentProperty;
import org.apache.tuscany.sca.assembly.ComponentReference;
import org.apache.tuscany.sca.assembly.ComponentService;
import org.apache.tuscany.sca.assembly.ConstrainingType;
import org.apache.tuscany.sca.assembly.Implementation;
import org.apache.tuscany.sca.assembly.Visitor;
import org.apache.tuscany.sca.policy.Intent;
import org.apache.tuscany.sca.policy.PolicySet;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.ChildBeanDefinition;
/**
* An implementation of the SCA assembly Component interface backed by a Spring
* Bean definition.
*
* @version $Rev$ $Date$
*/
public class BeanComponentImpl extends ChildBeanDefinition implements Component, Cloneable {
private static final long serialVersionUID = 1L;
private ConstrainingType constrainingType;
private Implementation implementation;
private String name;
private String uri;
private List<ComponentService> services = new ArrayList<ComponentService>();
private List<Intent> requiredIntents = new ArrayList<Intent>();
private List<PolicySet> policySets = new ArrayList<PolicySet>();
private List<Object> extensions = new ArrayList<Object>();
private boolean unresolved = false;
private BeanDefinitionRegistry beanRegistry;
protected BeanComponentImpl(BeanDefinitionRegistry beanRegistry) {
super((String)"");
this.beanRegistry = beanRegistry;
}
@Override
public Object clone() throws CloneNotSupportedException {
BeanComponentImpl clone = (BeanComponentImpl)super.clone();
clone.getProperties().clear();
for (ComponentProperty property: getProperties()) {
clone.getProperties().add((ComponentProperty)property.clone());
}
clone.getReferences().clear();
for (ComponentReference reference: getReferences()) {
clone.getReferences().add((ComponentReference)reference.clone());
}
clone.getServices().clear();
for (ComponentService service: getServices()) {
clone.getServices().add((ComponentService)service.clone());
}
return clone;
}
public String getParentName() {
//TODO find a better name for bean definitions representing component types
return String.valueOf(System.identityHashCode(implementation));
}
public ConstrainingType getConstrainingType() {
return constrainingType;
}
public Implementation getImplementation() {
return implementation;
}
public String getURI() {
return uri;
}
public void setURI(String uri) {
this.uri = uri;
// Register this bean definition in the bean registry
this.beanRegistry.registerBeanDefinition(uri, this);
}
public String getName() {
return name;
}
//TODO use a better list implementation
private List<ComponentProperty> properties = new ArrayList<ComponentProperty>() {
private static final long serialVersionUID = 1L;
// Add a property
public boolean add(ComponentProperty property) {
// Add corresponding bean property value
getPropertyValues().addPropertyValue(property.getName(), property.getValue());
return super.add(property);
}
};
public List<ComponentProperty> getProperties() {
return properties;
}
//TODO use a better list implementation
private List<ComponentReference> references = new ArrayList<ComponentReference>() {
private static final long serialVersionUID = 1L;
// Add a reference
public boolean add(ComponentReference reference) {
// Add corresponding bean property value
if (!reference.getName().startsWith("$self$.")) {
BeanReferenceImpl beanReference = new BeanReferenceImpl(reference);
getPropertyValues().addPropertyValue(reference.getName(), beanReference);
}
return super.add(reference);
}
};
public List<ComponentReference> getReferences() {
return references;
}
public List<ComponentService> getServices() {
return services;
}
public void setConstrainingType(ConstrainingType constrainingType) {
this.constrainingType = constrainingType;
}
public void setImplementation(Implementation implementation) {
this.implementation = implementation;
}
public void setName(String name) {
this.name = name;
}
public List<Intent> getRequiredIntents() {
return requiredIntents;
}
public List<PolicySet> getPolicySets() {
return policySets;
}
public boolean isAutowire() {
return super.getAutowireMode() == AUTOWIRE_BY_TYPE;
}
public void setAutowire(boolean autowire) {
super.setAutowireMode(autowire? AUTOWIRE_BY_TYPE:AUTOWIRE_NO);
}
public List<Object> getExtensions() {
return extensions;
}
public boolean isUnresolved() {
return unresolved;
}
public void setUnresolved(boolean undefined) {
this.unresolved = undefined;
}
public boolean accept(Visitor visitor) {
if (!visitor.visit(this)) {
return false;
}
for (ComponentProperty property : properties) {
if (!visitor.visit(property)) {
return false;
}
}
for (ComponentReference reference : references) {
if (!visitor.visit(reference)) {
return false;
}
}
for (ComponentService service : services) {
if (!visitor.visit(service)) {
return false;
}
}
return true;
}
}
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