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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.interfacedef.impl;
import org.apache.tuscany.sca.interfacedef.Interface;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
/**
* Represents an interface contract. InterfaceContractImpl
*
* @version $Rev$ $Date$
*/
public abstract class InterfaceContractImpl implements InterfaceContract {
private Interface callInterface;
private Interface callbackInterface;
public Interface getCallbackInterface() {
return callbackInterface;
}
public Interface getInterface() {
return callInterface;
}
public void setCallbackInterface(Interface callbackInterface) {
this.callbackInterface = callbackInterface;
}
public void setInterface(Interface callInterface) {
this.callInterface = callInterface;
}
public InterfaceContract makeUnidirectional(boolean isCallback) {
if (!isCallback && callbackInterface == null)
return this; // already a unidirectional forward interface contract
if (isCallback && callInterface == null)
return this; // already a unidirectional callback interface contract
// contract is bidirectional, so create a new unidirectional contract
try {
InterfaceContract newContract = clone();
if (!isCallback) {
newContract.setCallbackInterface(null); // create unidirectional forward interface contract
} else {
newContract.setInterface(null); // create unidirectional callback interface contract
}
return newContract;
} catch (CloneNotSupportedException e) {
// will not happen
return null;
}
}
@Override
public InterfaceContractImpl clone() throws CloneNotSupportedException {
InterfaceContractImpl copy = (InterfaceContractImpl)super.clone();
if (this.callbackInterface != null) {
copy.callbackInterface = (Interface)this.callbackInterface.clone();
}
if (this.callInterface != null) {
copy.callInterface = (Interface)this.callInterface.clone();
}
return copy;
}
/**
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((callInterface == null) ? 0 : callInterface.hashCode());
result = prime * result + ((callbackInterface == null) ? 0 : callbackInterface.hashCode());
return result;
}
/**
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final InterfaceContractImpl other = (InterfaceContractImpl)obj;
if (callInterface == null) {
if (other.callInterface != null) {
return false;
}
} else if (!callInterface.equals(other.callInterface)) {
return false;
}
if (callbackInterface == null) {
if (other.callbackInterface != null) {
return false;
}
} else if (!callbackInterface.equals(other.callbackInterface)) {
return false;
}
return true;
}
}
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