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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.databinding.util;
import java.util.List;
import org.apache.tuscany.sca.interfacedef.DataType;
import org.apache.tuscany.sca.interfacedef.Operation;
/**
*
* @version $Rev$ $Date$
*/
public class OperationDataBindingHelper {
private static boolean isTransformationRequired(DataType source, DataType target) {
if (source == null || target == null) { // void return type
return false;
}
if (source == target) {
return false;
}
String sourceDataBinding = source.getDataBinding();
String targetDataBinding = target.getDataBinding();
if (sourceDataBinding == targetDataBinding) {
return false;
}
if (sourceDataBinding == null || targetDataBinding == null) {
// TODO: If any of the databinding is null, then no transformation
return false;
}
return !sourceDataBinding.equals(targetDataBinding);
}
public static boolean isTransformationRequired(Operation source, Operation target) {
if (source == target) {
return false;
}
if (source.isInputWrapperStyle() != target.isInputWrapperStyle()) {
return true;
}
if (source.isOutputWrapperStyle() != target.isOutputWrapperStyle()) {
return true;
}
// Check output type
List<DataType> sourceOutputType = source.getOutputType().getLogical();
List<DataType> targetOutputType = target.getOutputType().getLogical();
int outputSize = sourceOutputType.size();
if ( outputSize != targetOutputType.size() ) {
return true;
}
for (int i = 0; i < outputSize; i++) {
if (isTransformationRequired(sourceOutputType.get(i), targetOutputType.get(i))) {
return true;
}
}
List<DataType> sourceInputType = source.getInputType().getLogical();
List<DataType> targetInputType = target.getInputType().getLogical();
int size = sourceInputType.size();
if (size != targetInputType.size()) {
// TUSCANY-1682: The wrapper style may have different arguments
return true;
}
for (int i = 0; i < size; i++) {
if (isTransformationRequired(sourceInputType.get(i), targetInputType.get(i))) {
return true;
}
}
return false;
}
}
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