/*
* Copyright 2004-2012 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.model;
import java.util.LinkedList;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
/**
* Model support for subflow states.
* @author Scott Andrews
*/
public class SubflowStateModel extends AbstractTransitionableStateModel {
private String subflow;
private String subflowAttributeMapper;
private LinkedList<InputModel> inputs;
private LinkedList<OutputModel> outputs;
/**
* Create a subflow state model
* @param id the identifier of the state
* @param subflow the identifier of the flow to launch as a subflow
*/
public SubflowStateModel(String id, String subflow) {
super(id);
setSubflow(subflow);
}
public boolean isMergeableWith(Model model) {
if (!(model instanceof SubflowStateModel)) {
return false;
}
SubflowStateModel state = (SubflowStateModel) model;
return ObjectUtils.nullSafeEquals(getId(), state.getId());
}
public void merge(Model model) {
SubflowStateModel state = (SubflowStateModel) model;
setParent(null);
setAttributes(merge(getAttributes(), state.getAttributes()));
setSecured((SecuredModel) merge(getSecured(), state.getSecured()));
setOnEntryActions(merge(getOnEntryActions(), state.getOnEntryActions(), false));
setExceptionHandlers(merge(getExceptionHandlers(), state.getExceptionHandlers()));
setTransitions(merge(getTransitions(), state.getTransitions()));
setOnExitActions(merge(getOnExitActions(), state.getOnExitActions(), false));
setSubflow(merge(getSubflow(), state.getSubflow()));
setSubflowAttributeMapper(merge(getSubflowAttributeMapper(), state.getSubflowAttributeMapper()));
setInputs(merge(getInputs(), state.getInputs()));
setOutputs(merge(getOutputs(), state.getOutputs()));
}
public Model createCopy() {
SubflowStateModel copy = new SubflowStateModel(getId(), subflow);
super.fillCopy(copy);
copy.setSubflowAttributeMapper(subflowAttributeMapper);
copy.setInputs(copyList(inputs));
copy.setOutputs(copyList(outputs));
return copy;
}
/**
* @return the subflow
*/
public String getSubflow() {
return subflow;
}
/**
* @param subflow the subflow to set
*/
public void setSubflow(String subflow) {
if (StringUtils.hasText(subflow)) {
this.subflow = subflow;
} else {
this.subflow = null;
}
}
/**
* @return the subflow attribute mapper
*/
public String getSubflowAttributeMapper() {
return subflowAttributeMapper;
}
/**
* @param subflowAttributeMapper the subflow attribute mapper to set
*/
public void setSubflowAttributeMapper(String subflowAttributeMapper) {
if (StringUtils.hasText(subflowAttributeMapper)) {
this.subflowAttributeMapper = subflowAttributeMapper;
} else {
this.subflowAttributeMapper = null;
}
}
/**
* @return the input mappings
*/
public LinkedList<InputModel> getInputs() {
return inputs;
}
/**
* @param inputs the input mappings to set
*/
public void setInputs(LinkedList<InputModel> inputs) {
this.inputs = inputs;
}
/**
* @return the output mappings
*/
public LinkedList<OutputModel> getOutputs() {
return outputs;
}
/**
* @param outputs the output mappings to set
*/
public void setOutputs(LinkedList<OutputModel> outputs) {
this.outputs = outputs;
}
}