/**
* Copyright 2005 Red Hat, Inc. and/or its affiliates.
*
* 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.jbpm.workflow.core.node;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.jbpm.process.core.context.variable.Mappable;
import org.jbpm.process.core.event.EventTransformer;
import org.jbpm.process.core.timer.Timer;
import org.jbpm.workflow.core.impl.ExtendedNodeImpl;
import org.kie.api.definition.process.Connection;
/**
* Default implementation of a start node.
*
*/
public class StartNode extends ExtendedNodeImpl implements Mappable {
private static final String[] EVENT_TYPES =
new String[] { EVENT_NODE_EXIT };
private static final long serialVersionUID = 510l;
private List<Trigger> triggers;
private boolean isInterrupting;
private List<DataAssociation> outMapping = new LinkedList<DataAssociation>();
private Timer timer;
private EventTransformer transformer;
public void addTrigger(Trigger trigger) {
if (triggers == null) {
triggers = new ArrayList<Trigger>();
}
triggers.add(trigger);
}
public void removeTrigger(Trigger trigger) {
if (triggers != null) {
triggers.remove(trigger);
}
}
public List<Trigger> getTriggers() {
return triggers;
}
public void setTriggers(List<Trigger> triggers) {
this.triggers = triggers;
}
public String[] getActionTypes() {
return EVENT_TYPES;
}
public void validateAddIncomingConnection(final String type, final Connection connection) {
throw new UnsupportedOperationException(
"A start node [" + this.getMetaData("UniqueId") + ", " + this.getName() + "] may not have an incoming connection!");
}
public void validateRemoveIncomingConnection(final String type, final Connection connection) {
throw new UnsupportedOperationException(
"A start node [" + this.getMetaData("UniqueId") + ", " + this.getName() + "] may not have an incoming connection!");
}
public void validateAddOutgoingConnection(final String type, final Connection connection) {
super.validateAddOutgoingConnection(type, connection);
if (!org.jbpm.workflow.core.Node.CONNECTION_DEFAULT_TYPE.equals(type)) {
throw new IllegalArgumentException(
"A start node [" + this.getMetaData("UniqueId") + ", " + this.getName() + "] only accepts default outgoing connection type!");
}
if (getTo() != null) {
throw new IllegalArgumentException(
"A start node [" + this.getMetaData("UniqueId") + ", " + this.getName() + "] cannot have more than one outgoing connection!");
}
}
public boolean isInterrupting() {
return isInterrupting;
}
public void setInterrupting(boolean isInterrupting) {
this.isInterrupting = isInterrupting;
}
@Override
public void addInMapping(String parameterName, String variableName) {
throw new IllegalArgumentException("A start event [" + this.getMetaData("UniqueId") + ", " + this.getName() + "] does not support input mappings");
}
@Override
public void setInMappings(Map<String, String> inMapping) {
throw new IllegalArgumentException("A start event [" + this.getMetaData("UniqueId") + ", " + this.getName() + "] does not support input mappings");
}
@Override
public String getInMapping(String parameterName) {
throw new IllegalArgumentException("A start event [" + this.getMetaData("UniqueId") + ", " + this.getName() + "] does not support input mappings");
}
@Override
public Map<String, String> getInMappings() {
throw new IllegalArgumentException("A start event does not support input mappings");
}
@Override
public void addInAssociation(DataAssociation dataAssociation) {
throw new IllegalArgumentException("A start event does not support input mappings");
}
@Override
public List<DataAssociation> getInAssociations() {
throw new IllegalArgumentException("A start event does not support input mappings");
}
public void addOutMapping(String parameterName, String variableName) {
outMapping.add(new DataAssociation(parameterName, variableName, null, null));
}
public void setOutMappings(Map<String, String> outMapping) {
this.outMapping = new LinkedList<DataAssociation>();
for(Map.Entry<String, String> entry : outMapping.entrySet()) {
addOutMapping(entry.getKey(), entry.getValue());
}
}
public String getOutMapping(String parameterName) {
return getOutMappings().get(parameterName);
}
public Map<String, String> getOutMappings() {
Map<String,String> out = new HashMap<String, String>();
for(DataAssociation assoc : outMapping) {
if( assoc.getSources().size() == 1
&& (assoc.getAssignments() == null || assoc.getAssignments().size() == 0)
&& assoc.getTransformation() == null ) {
out.put(assoc.getSources().get(0), assoc.getTarget());
}
}
return out;
}
public void addOutAssociation(DataAssociation dataAssociation) {
outMapping.add(dataAssociation);
}
public List<DataAssociation> getOutAssociations() {
return Collections.unmodifiableList(outMapping);
}
public Timer getTimer() {
return timer;
}
public void setTimer(Timer timer) {
this.timer = timer;
}
public void setEventTransformer(EventTransformer transformer) {
this.transformer = transformer;
}
public EventTransformer getEventTransformer() {
return transformer;
}
}