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/*
 * Copyright 2004-2005 the original author or authors.
 * 
 * Licensed 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.springmodules.validation.valang.functions;

/**
 * The FunctionCallback interface should be implemented by functions
 * that want to delegate exception reporting to a helper class.
 * 
 * @author Steven Devijver
 * @since Jun 25, 2005
 */
public interface FunctionCallback {

	/**
	 * Callback method execute by helper classes.
	 * 
	 * @param target the target object
	 * @return the result of the execution
	 */
	public Object execute(Object target) throws Exception;
}