GatewayImpl.java

/* 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.impl.instance;

import org.camunda.bpm.model.bpmn.GatewayDirection;
import org.camunda.bpm.model.bpmn.builder.AbstractGatewayBuilder;
import org.camunda.bpm.model.bpmn.instance.FlowNode;
import org.camunda.bpm.model.bpmn.instance.Gateway;
import org.camunda.bpm.model.bpmn.instance.bpmndi.BpmnShape;
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 static org.camunda.bpm.model.bpmn.impl.BpmnModelConstants.*;

/**
 * The BPMN gateway element
 *
 * @author Sebastian Menski
 */
public abstract class GatewayImpl extends FlowNodeImpl implements Gateway {

  protected static Attribute<GatewayDirection> gatewayDirectionAttribute;

  public static void registerType(ModelBuilder modelBuilder) {
    ModelElementTypeBuilder typeBuilder = modelBuilder.defineType(Gateway.class, BPMN_ELEMENT_GATEWAY)
      .namespaceUri(BPMN20_NS)
      .extendsType(FlowNode.class)
      .abstractType();

    gatewayDirectionAttribute = typeBuilder.enumAttribute(BPMN_ATTRIBUTE_GATEWAY_DIRECTION, GatewayDirection.class)
      .defaultValue(GatewayDirection.Unspecified)
      .build();

    typeBuilder.build();
  }

  public GatewayImpl(ModelTypeInstanceContext context) {
    super(context);
  }

  @SuppressWarnings("rawtypes")
  public abstract AbstractGatewayBuilder builder();

  public GatewayDirection getGatewayDirection() {
    return gatewayDirectionAttribute.getValue(this);
  }

  public void setGatewayDirection(GatewayDirection gatewayDirection) {
    gatewayDirectionAttribute.setValue(this, gatewayDirection);
  }

  public BpmnShape getDiagramElement() {
    return (BpmnShape) super.getDiagramElement();
  }

}