org.camunda.bpm.engine.impl.migration.DefaultMigrationActivityMatcher Maven / Gradle / Ivy

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/* 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.engine.impl.migration;

import org.camunda.bpm.engine.impl.bpmn.helper.BpmnProperties;
import org.camunda.bpm.engine.impl.bpmn.parser.ActivityTypes;
import org.camunda.bpm.engine.impl.pvm.process.ActivityImpl;

public class DefaultMigrationActivityMatcher implements MigrationActivityMatcher {

  public boolean matchActivities(ActivityImpl source, ActivityImpl target) {
    return source != null && target != null &&
      equalId(source, target) && equalType(source, target);
  }

  protected boolean equalId(ActivityImpl source, ActivityImpl target) {
    return source.getId().equals(target.getId());
  }

  protected boolean equalType(ActivityImpl source, ActivityImpl target) {
    String sourceType = source.getProperties().get(BpmnProperties.TYPE);
    String targetType = target.getProperties().get(BpmnProperties.TYPE);


    if (sourceType.equals(targetType)) {
      if (ActivityTypes.MULTI_INSTANCE_BODY.equals(sourceType)) {
        // Multi-instance requires a stricter condition since sequential and parallel multi
        // instance have the same type
        return source.getActivityBehavior().getClass().equals(target.getActivityBehavior().getClass());
      }
      else {
        return true;
      }
    }
    else {
      return false;
    }
  }


}