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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.assembly.impl;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.apache.tuscany.sca.assembly.Binding;
import org.apache.tuscany.sca.assembly.EndpointReference;
import org.apache.tuscany.sca.assembly.impl.ComponentReferenceImpl;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.InvocationChain;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.provider.PolicyProvider;
import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
import org.apache.tuscany.sca.runtime.RuntimeWire;
/**
* Implementation of a Component Reference.
*
* @version $Rev$ $Date$
*/
public class RuntimeComponentReferenceImpl extends ComponentReferenceImpl implements RuntimeComponentReference {
private ArrayList<RuntimeWire> wires;
private HashMap<Binding, ReferenceBindingProvider> bindingProviders =
new HashMap<Binding, ReferenceBindingProvider>();
private HashMap<Binding, List<PolicyProvider>> policyProviders = new HashMap<Binding, List<PolicyProvider>>();
private RuntimeComponent component;
public RuntimeComponentReferenceImpl() {
super();
}
public synchronized List<RuntimeWire> getRuntimeWires() {
if (wires == null) {
wires = new ArrayList<RuntimeWire>();
component.getComponentContext().start(this);
}
return wires;
}
// TODO - EPR - shouldn't rely on this anymore
public RuntimeWire getRuntimeWire(Binding binding) {
for (RuntimeWire wire : getRuntimeWires()) {
if (wire.getEndpointReference().getBinding() == binding) {
return wire;
}
}
return null;
}
public RuntimeWire getRuntimeWire(EndpointReference endpointReference) {
for (RuntimeWire wire : getRuntimeWires()) {
if (wire.getEndpointReference() == endpointReference) {
return wire;
}
}
return null;
}
public ReferenceBindingProvider getBindingProvider(Binding binding) {
return bindingProviders.get(binding);
}
public void setBindingProvider(Binding binding, ReferenceBindingProvider bindingProvider) {
bindingProviders.put(binding, bindingProvider);
}
public Invoker getInvoker(Binding binding, Operation operation) {
RuntimeWire wire = getRuntimeWire(binding);
if (wire == null) {
return null;
}
InvocationChain chain = wire.getInvocationChain(operation);
return chain == null ? null : chain.getHeadInvoker();
}
/**
* @return the component
*/
public RuntimeComponent getComponent() {
return component;
}
/**
* @param component the component to set
*/
public void setComponent(RuntimeComponent component) {
this.component = component;
}
/**
* @see org.apache.tuscany.sca.assembly.impl.ComponentReferenceImpl#clone()
*/
@Override
public Object clone() throws CloneNotSupportedException {
RuntimeComponentReferenceImpl ref = (RuntimeComponentReferenceImpl)super.clone();
ref.wires = null;
ref.bindingProviders = new HashMap<Binding, ReferenceBindingProvider>();
ref.policyProviders = new HashMap<Binding, List<PolicyProvider>>();
return ref;
}
public void addPolicyProvider(Binding binding, PolicyProvider policyProvider) {
List<PolicyProvider> providers = policyProviders.get(binding);
if (providers == null) {
providers = new ArrayList<PolicyProvider>();
policyProviders.put(binding, providers);
}
providers.add(policyProvider);
}
public List<PolicyProvider> getPolicyProviders(Binding binding) {
return policyProviders.get(binding);
}
@Override
public String toString() {
return getName();
}
}
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