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/*
 * Copyright 2004-2008 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.springframework.webflow.engine;

import org.springframework.webflow.execution.RequestContext;

/**
 * Strategy interface encapsulating criteria that determine whether or not a transition should execute given a flow
 * execution request context.
 * 
 * @see org.springframework.webflow.engine.Transition
 * @see org.springframework.webflow.execution.RequestContext
 * 
 * @author Keith Donald
 * @author Erwin Vervaet
 */
public interface TransitionCriteria {

	/**
	 * Check if the transition should fire based on the given flow execution request context.
	 * @param context the flow execution request context
	 * @return true if the transition should fire, false otherwise
	 */
	public boolean test(RequestContext context);

}




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