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Zeebe BPMN model API
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/*
 * Copyright © 2017 camunda services GmbH ([email protected])
 *
 * 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 io.camunda.zeebe.model.bpmn.impl.instance;

import static io.camunda.zeebe.model.bpmn.impl.BpmnModelConstants.BPMN20_NS;
import static io.camunda.zeebe.model.bpmn.impl.BpmnModelConstants.BPMN_ATTRIBUTE_PARALLEL_MULTIPLE;
import static io.camunda.zeebe.model.bpmn.impl.BpmnModelConstants.BPMN_ELEMENT_CATCH_EVENT;

import io.camunda.zeebe.model.bpmn.instance.CatchEvent;
import io.camunda.zeebe.model.bpmn.instance.DataOutput;
import io.camunda.zeebe.model.bpmn.instance.DataOutputAssociation;
import io.camunda.zeebe.model.bpmn.instance.Event;
import io.camunda.zeebe.model.bpmn.instance.EventDefinition;
import io.camunda.zeebe.model.bpmn.instance.OutputSet;
import java.util.Collection;
import org.camunda.bpm.model.xml.ModelBuilder;
import org.camunda.bpm.model.xml.impl.instance.ModelTypeInstanceContext;
import org.camunda.bpm.model.xml.type.ModelElementTypeBuilder;
import org.camunda.bpm.model.xml.type.attribute.Attribute;
import org.camunda.bpm.model.xml.type.child.ChildElement;
import org.camunda.bpm.model.xml.type.child.ChildElementCollection;
import org.camunda.bpm.model.xml.type.child.SequenceBuilder;
import org.camunda.bpm.model.xml.type.reference.ElementReferenceCollection;

/**
 * The BPMN catchEvent element
 *
 * @author Sebastian Menski
 */
public abstract class CatchEventImpl extends EventImpl implements CatchEvent {

  protected static Attribute parallelMultipleAttribute;
  protected static ChildElementCollection dataOutputCollection;
  protected static ChildElementCollection dataOutputAssociationCollection;
  protected static ChildElement outputSetChild;
  protected static ChildElementCollection eventDefinitionCollection;
  protected static ElementReferenceCollection
      eventDefinitionRefCollection;

  public CatchEventImpl(final ModelTypeInstanceContext context) {
    super(context);
  }

  public static void registerType(final ModelBuilder modelBuilder) {
    final ModelElementTypeBuilder typeBuilder =
        modelBuilder
            .defineType(CatchEvent.class, BPMN_ELEMENT_CATCH_EVENT)
            .namespaceUri(BPMN20_NS)
            .extendsType(Event.class)
            .abstractType();

    parallelMultipleAttribute =
        typeBuilder.booleanAttribute(BPMN_ATTRIBUTE_PARALLEL_MULTIPLE).defaultValue(false).build();

    final SequenceBuilder sequenceBuilder = typeBuilder.sequence();

    dataOutputCollection = sequenceBuilder.elementCollection(DataOutput.class).build();

    dataOutputAssociationCollection =
        sequenceBuilder.elementCollection(DataOutputAssociation.class).build();

    outputSetChild = sequenceBuilder.element(OutputSet.class).build();

    eventDefinitionCollection = sequenceBuilder.elementCollection(EventDefinition.class).build();

    eventDefinitionRefCollection =
        sequenceBuilder
            .elementCollection(EventDefinitionRef.class)
            .qNameElementReferenceCollection(EventDefinition.class)
            .build();

    typeBuilder.build();
  }

  @Override
  public boolean isParallelMultiple() {
    return parallelMultipleAttribute.getValue(this);
  }

  @Override
  public void setParallelMultiple(final boolean parallelMultiple) {
    parallelMultipleAttribute.setValue(this, parallelMultiple);
  }

  @Override
  public Collection getDataOutputs() {
    return dataOutputCollection.get(this);
  }

  @Override
  public Collection getDataOutputAssociations() {
    return dataOutputAssociationCollection.get(this);
  }

  @Override
  public OutputSet getOutputSet() {
    return outputSetChild.getChild(this);
  }

  @Override
  public void setOutputSet(final OutputSet outputSet) {
    outputSetChild.setChild(this, outputSet);
  }

  @Override
  public Collection getEventDefinitions() {
    return eventDefinitionCollection.get(this);
  }

  @Override
  public Collection getEventDefinitionRefs() {
    return eventDefinitionRefCollection.getReferenceTargetElements(this);
  }
}