/*
* 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.execution.factory;
import org.springframework.webflow.definition.FlowDefinition;
/**
* Strategy interface that determines if a flow execution listener should attach to executions of a specific flow
* definition.
* <p>
* This selection strategy is typically used by the {@link FlowExecutionListenerLoader} to determine which listeners
* should apply to which flow definitions.
*
* @see org.springframework.webflow.execution.FlowExecutionListener
* @see org.springframework.webflow.execution.factory.FlowExecutionListenerLoader
*
* @author Keith Donald
* @author Erwin Vervaet
*/
public interface FlowExecutionListenerCriteria {
/**
* Do the listeners guarded by this criteria object apply to the provided flow definition?
* @param definition the flow definition
* @return true if yes, false if no
*/
public boolean appliesTo(FlowDefinition definition);
}