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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.core.databinding.impl;
import org.apache.tuscany.spi.annotation.Autowire;
import org.apache.tuscany.spi.databinding.Mediator;
import org.apache.tuscany.spi.databinding.PullTransformer;
import org.apache.tuscany.spi.databinding.TransformationContext;
import org.apache.tuscany.spi.databinding.Transformer;
import org.apache.tuscany.spi.databinding.extension.TransformerExtension;
import org.apache.tuscany.spi.model.DataType;
import org.osoa.sca.annotations.Service;
/**
* This is a special transformer to transform the output from one IDL to the
* other one
*/
@Service(Transformer.class)
public class Group2GroupTransformer extends TransformerExtension<Object, Object> implements
PullTransformer<Object, Object> {
protected Mediator mediator;
/**
* @param wrapperHandler
*/
public Group2GroupTransformer() {
super();
}
/**
* @param mediator the mediator to set
*/
@Autowire
public void setMediator(Mediator mediator) {
this.mediator = mediator;
}
@Override
public String getSourceDataBinding() {
return GroupDataBinding.NAME;
}
@Override
public String getTargetDataBinding() {
return GroupDataBinding.NAME;
}
/**
* @see org.apache.tuscany.spi.databinding.extension.TransformerExtension#getSourceType()
*/
@Override
protected Class getSourceType() {
return Object.class;
}
/**
* @see org.apache.tuscany.spi.databinding.extension.TransformerExtension#getTargetType()
*/
@Override
protected Class getTargetType() {
return Object.class;
}
/**
* @see org.apache.tuscany.spi.databinding.Transformer#getWeight()
*/
public int getWeight() {
return 10;
}
@SuppressWarnings("unchecked")
public Object transform(Object source, TransformationContext context) {
DataType<DataType> sourceType = context.getSourceDataType();
DataType<DataType> targetType = context.getTargetDataType();
return mediator.mediate(source, sourceType.getLogical(), targetType.getLogical(), context.getMetadata());
}
}
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