/* 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.camunda.bpm.model.bpmn.validation;
import java.util.Collection;
import org.camunda.bpm.model.bpmn.instance.Process;
import org.camunda.bpm.model.bpmn.instance.StartEvent;
import org.camunda.bpm.model.xml.validation.ModelElementValidator;
import org.camunda.bpm.model.xml.validation.ValidationResultCollector;
/**
* @author Daniel Meyer
*
*/
public class ProcessStartEventValidator implements ModelElementValidator<Process> {
@Override
public Class<Process> getElementType() {
return Process.class;
}
@Override
public void validate(Process process, ValidationResultCollector validationResultCollector) {
Collection<StartEvent> startEvents = process.getChildElementsByType(StartEvent.class);
int startEventCount = startEvents.size();
if(startEventCount != 1) {
validationResultCollector.addError(10, String.format("Process does not have exactly one start event. Got %d.", startEventCount));
}
}
}