/*
* 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.definition.registry;
import org.springframework.core.style.ToStringCreator;
import org.springframework.webflow.definition.FlowDefinition;
/**
* A simple flow definition holder that just holds a constant singleton reference to a flow definition.
* @author Keith Donald
*/
class StaticFlowDefinitionHolder implements FlowDefinitionHolder {
/**
* The held flow definition.
*/
private final FlowDefinition flowDefinition;
/**
* Creates the static flow definition holder.
* @param flowDefinition the flow to hold
*/
public StaticFlowDefinitionHolder(FlowDefinition flowDefinition) {
this.flowDefinition = flowDefinition;
}
public String getFlowDefinitionId() {
return flowDefinition.getId();
}
public String getFlowDefinitionResourceString() {
return flowDefinition.getClass().getName();
}
public FlowDefinition getFlowDefinition() throws FlowDefinitionConstructionException {
return flowDefinition;
}
public void refresh() throws FlowDefinitionConstructionException {
// nothing to do
}
public void destroy() {
flowDefinition.destroy();
}
public boolean equals(Object o) {
if (!(o instanceof StaticFlowDefinitionHolder)) {
return false;
}
StaticFlowDefinitionHolder other = (StaticFlowDefinitionHolder) o;
return flowDefinition.equals(other.flowDefinition);
}
public int hashCode() {
return flowDefinition.hashCode();
}
public String toString() {
return new ToStringCreator(this).append("flowDefinition", flowDefinition).toString();
}
}