io.zeebe.model.bpmn.impl.instance.SequenceFlowImpl Maven / Gradle / Ivy

/*
 * 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.zeebe.model.bpmn.impl.instance;

import static io.zeebe.model.bpmn.impl.BpmnModelConstants.BPMN20_NS;
import static io.zeebe.model.bpmn.impl.BpmnModelConstants.BPMN_ATTRIBUTE_IS_IMMEDIATE;
import static io.zeebe.model.bpmn.impl.BpmnModelConstants.BPMN_ATTRIBUTE_SOURCE_REF;
import static io.zeebe.model.bpmn.impl.BpmnModelConstants.BPMN_ATTRIBUTE_TARGET_REF;
import static io.zeebe.model.bpmn.impl.BpmnModelConstants.BPMN_ELEMENT_SEQUENCE_FLOW;

import io.zeebe.model.bpmn.BpmnModelInstance;
import io.zeebe.model.bpmn.builder.SequenceFlowBuilder;
import io.zeebe.model.bpmn.instance.ConditionExpression;
import io.zeebe.model.bpmn.instance.FlowElement;
import io.zeebe.model.bpmn.instance.FlowNode;
import io.zeebe.model.bpmn.instance.SequenceFlow;
import io.zeebe.model.bpmn.instance.bpmndi.BpmnEdge;
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.ModelElementTypeBuilder.ModelTypeInstanceProvider;
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.SequenceBuilder;
import org.camunda.bpm.model.xml.type.reference.AttributeReference;

/**
 * The BPMN sequenceFlow element
 *
 * @author Sebastian Menski
 */
public class SequenceFlowImpl extends FlowElementImpl implements SequenceFlow {

  protected static AttributeReference sourceRefAttribute;
  protected static AttributeReference targetRefAttribute;
  protected static Attribute isImmediateAttribute;
  protected static ChildElement conditionExpressionCollection;

  public static void registerType(ModelBuilder modelBuilder) {
    final ModelElementTypeBuilder typeBuilder =
        modelBuilder
            .defineType(SequenceFlow.class, BPMN_ELEMENT_SEQUENCE_FLOW)
            .namespaceUri(BPMN20_NS)
            .extendsType(FlowElement.class)
            .instanceProvider(
                new ModelTypeInstanceProvider() {
                  @Override
                  public SequenceFlow newInstance(ModelTypeInstanceContext instanceContext) {
                    return new SequenceFlowImpl(instanceContext);
                  }
                });

    sourceRefAttribute =
        typeBuilder
            .stringAttribute(BPMN_ATTRIBUTE_SOURCE_REF)
            .required()
            .idAttributeReference(FlowNode.class)
            .build();

    targetRefAttribute =
        typeBuilder
            .stringAttribute(BPMN_ATTRIBUTE_TARGET_REF)
            .required()
            .idAttributeReference(FlowNode.class)
            .build();

    isImmediateAttribute = typeBuilder.booleanAttribute(BPMN_ATTRIBUTE_IS_IMMEDIATE).build();

    final SequenceBuilder sequenceBuilder = typeBuilder.sequence();

    conditionExpressionCollection = sequenceBuilder.element(ConditionExpression.class).build();

    typeBuilder.build();
  }

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

  @Override
  public SequenceFlowBuilder builder() {
    return new SequenceFlowBuilder((BpmnModelInstance) modelInstance, this);
  }

  @Override
  public FlowNode getSource() {
    return sourceRefAttribute.getReferenceTargetElement(this);
  }

  @Override
  public void setSource(FlowNode source) {
    sourceRefAttribute.setReferenceTargetElement(this, source);
  }

  @Override
  public FlowNode getTarget() {
    return targetRefAttribute.getReferenceTargetElement(this);
  }

  @Override
  public void setTarget(FlowNode target) {
    targetRefAttribute.setReferenceTargetElement(this, target);
  }

  @Override
  public boolean isImmediate() {
    return isImmediateAttribute.getValue(this);
  }

  @Override
  public void setImmediate(boolean isImmediate) {
    isImmediateAttribute.setValue(this, isImmediate);
  }

  @Override
  public ConditionExpression getConditionExpression() {
    return conditionExpressionCollection.getChild(this);
  }

  @Override
  public void setConditionExpression(ConditionExpression conditionExpression) {
    conditionExpressionCollection.setChild(this, conditionExpression);
  }

  @Override
  public void removeConditionExpression() {
    conditionExpressionCollection.removeChild(this);
  }

  @Override
  public BpmnEdge getDiagramElement() {
    return (BpmnEdge) super.getDiagramElement();
  }
}