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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.container.dataaccess;
import java.lang.reflect.InvocationTargetException;
import org.apache.tuscany.container.dataaccessscript.DataAccessInstanceImpl;
import org.apache.tuscany.spi.component.TargetException;
import org.apache.tuscany.spi.extension.TargetInvokerExtension;
/**
* Dispatches to a DataAccessScript implementation instance
*
* @version $$Rev: 441072 $$ $$Date: 2006-09-07 18:03:39 +0530 (Thu, 07 Sep 2006) $$
*/
public class DataAccessInvoker extends TargetInvokerExtension {
private DataAccessComponent component;
private String functionName;
private Class returnType;
public DataAccessInvoker(String functionName, DataAccessComponent component, Class returnType) {
super(null,null,null);
this.functionName = functionName;
this.component = component;
this.returnType = returnType;
}
public Object invokeTarget(final Object payload, final short sequence) throws InvocationTargetException {
DataAccessInstanceImpl target;
//get the component
try{
target = (DataAccessInstanceImpl) component.getTargetInstance();
}catch(TargetException e){
throw new InvocationTargetException(e);
}
//invoke it
try {
return target.invokeFunction(functionName,
(Object[]) payload,
returnType);
} catch (Exception e) {
throw new InvocationTargetException(e);
}
}
}
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