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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;
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.impl.ComponentServiceImpl;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
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.ServiceBindingProvider;
import org.apache.tuscany.sca.runtime.RuntimeComponentService;
import org.apache.tuscany.sca.runtime.RuntimeWire;
import org.osoa.sca.ServiceRuntimeException;
/**
* Implementation of a Component Service.
*
* @version $Rev$ $Date$
*/
public class RuntimeComponentServiceImpl extends ComponentServiceImpl implements RuntimeComponentService {
private ArrayList<RuntimeWire> wires = new ArrayList<RuntimeWire>();
private ArrayList<RuntimeWire> callbackWires = new ArrayList<RuntimeWire>();
private HashMap<Binding, ServiceBindingProvider> bindingProviders = new HashMap<Binding, ServiceBindingProvider>();
private HashMap<Binding, List<PolicyProvider>> policyProviders = new HashMap<Binding, List<PolicyProvider>>();
public RuntimeComponentServiceImpl() {
super();
}
public List<RuntimeWire> getRuntimeWires() {
return wires;
}
public RuntimeWire getRuntimeWire(Binding binding) {
for (RuntimeWire wire : wires) {
if (wire.getTarget().getBinding() == binding) {
return wire;
}
}
return null;
}
public RuntimeWire getRuntimeWire(Binding binding, InterfaceContract interfaceContract) {
RuntimeWire wire = getRuntimeWire(binding);
if (wire == null) {
return null;
}
if (interfaceContract != null && interfaceContract != wire.getSource().getInterfaceContract()) {
try {
// FIXME: [rfeng] We could avoid clone() using a better comparison of the two interface contracts
wire = (RuntimeWire)wire.clone();
wire.getSource().setInterfaceContract(interfaceContract);
wire.rebuild();
} catch (CloneNotSupportedException e) {
throw new ServiceRuntimeException(e);
}
}
return wire;
}
public List<RuntimeWire> getCallbackWires() {
return callbackWires;
}
public ServiceBindingProvider getBindingProvider(Binding binding) {
return bindingProviders.get(binding);
}
public void setBindingProvider(Binding binding, ServiceBindingProvider bindingProvider) {
bindingProviders.put(binding, bindingProvider);
}
public Invoker getInvoker(Binding binding, Operation operation) {
return getInvoker(binding, null, operation);
}
public Invoker getInvoker(Binding binding, InterfaceContract interfaceContract, Operation operation) {
InvocationChain chain = getInvocationChain(binding, interfaceContract, operation);
if (chain != null) {
return chain.getHeadInvoker();
} else {
return null;
}
}
public InvocationChain getInvocationChain(Binding binding, InterfaceContract interfaceContract, Operation operation) {
RuntimeWire wire = getRuntimeWire(binding);
if (wire == null) {
return null;
}
if (interfaceContract != null && interfaceContract != wire.getSource().getInterfaceContract()) {
try {
// FIXME: [rfeng] We could avoid clone() using a better comparison of the two interface contracts
wire = (RuntimeWire)wire.clone();
wire.getSource().setInterfaceContract(interfaceContract);
wire.rebuild();
} catch (CloneNotSupportedException e) {
throw new ServiceRuntimeException(e);
}
}
return wire.getInvocationChain(operation);
}
public InvocationChain getInvocationChain(Binding binding, Operation operation) {
return getInvocationChain(binding, null, operation);
}
/**
* @see org.apache.tuscany.sca.assembly.impl.ComponentServiceImpl#clone()
*/
@SuppressWarnings("unchecked")
@Override
public Object clone() throws CloneNotSupportedException {
RuntimeComponentServiceImpl clone = (RuntimeComponentServiceImpl)super.clone();
clone.bindingProviders = (HashMap<Binding, ServiceBindingProvider>)bindingProviders.clone();
clone.wires = (ArrayList<RuntimeWire>)wires.clone();
clone.callbackWires = (ArrayList<RuntimeWire>)callbackWires.clone();
clone.policyProviders = (HashMap<Binding, List<PolicyProvider>>)policyProviders.clone();
return clone;
}
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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