/* 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.instance.BaseElement;
import org.camunda.bpm.model.bpmn.instance.Documentation;
import org.camunda.bpm.model.bpmn.instance.ExtensionElements;
import org.camunda.bpm.model.bpmn.instance.di.DiagramElement;
import org.camunda.bpm.model.xml.ModelBuilder;
import org.camunda.bpm.model.xml.impl.instance.ModelTypeInstanceContext;
import org.camunda.bpm.model.xml.impl.util.ModelUtil;
import org.camunda.bpm.model.xml.instance.ModelElementInstance;
import org.camunda.bpm.model.xml.type.ModelElementType;
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.Reference;
import java.util.ArrayList;
import java.util.Collection;
import static org.camunda.bpm.model.bpmn.impl.BpmnModelConstants.*;
/**
* The BPMN baseElement element
*
* @author Daniel Meyer
* @author Sebastian Menski
*/
public abstract class BaseElementImpl extends BpmnModelElementInstanceImpl implements BaseElement {
protected static Attribute<String> idAttribute;
protected static ChildElementCollection<Documentation> documentationCollection;
protected static ChildElement<ExtensionElements> extensionElementsChild;
public static void registerType(ModelBuilder bpmnModelBuilder) {
ModelElementTypeBuilder typeBuilder = bpmnModelBuilder.defineType(BaseElement.class, BPMN_ELEMENT_BASE_ELEMENT)
.namespaceUri(BPMN20_NS)
.abstractType();
idAttribute = typeBuilder.stringAttribute(BPMN_ATTRIBUTE_ID)
.idAttribute()
.build();
SequenceBuilder sequenceBuilder = typeBuilder.sequence();
documentationCollection = sequenceBuilder.elementCollection(Documentation.class)
.build();
extensionElementsChild = sequenceBuilder.element(ExtensionElements.class)
.build();
typeBuilder.build();
}
public BaseElementImpl(ModelTypeInstanceContext instanceContext) {
super(instanceContext);
if (getId() == null) {
setId(ModelUtil.getUniqueIdentifier(getElementType()));
}
}
public String getId() {
return idAttribute.getValue(this);
}
public void setId(String id) {
idAttribute.setValue(this, id);
}
public Collection<Documentation> getDocumentations() {
return documentationCollection.get(this);
}
public ExtensionElements getExtensionElements() {
return extensionElementsChild.getChild(this);
}
public void setExtensionElements(ExtensionElements extensionElements) {
extensionElementsChild.setChild(this, extensionElements);
}
@SuppressWarnings("rawtypes")
public DiagramElement getDiagramElement() {
Collection<Reference> incomingReferences = getIncomingReferencesByType(DiagramElement.class);
for (Reference<?> reference : incomingReferences) {
for (ModelElementInstance sourceElement : reference.findReferenceSourceElements(this)) {
String referenceIdentifier = reference.getReferenceIdentifier(sourceElement);
if (referenceIdentifier != null && referenceIdentifier.equals(getId())) {
return (DiagramElement) sourceElement;
}
}
}
return null;
}
@SuppressWarnings("rawtypes")
public Collection<Reference> getIncomingReferencesByType(Class<? extends ModelElementInstance> referenceSourceTypeClass) {
Collection<Reference> references = new ArrayList<Reference>();
// we traverse all incoming references in reverse direction
for (Reference<?> reference : idAttribute.getIncomingReferences()) {
ModelElementType sourceElementType = reference.getReferenceSourceElementType();
Class<? extends ModelElementInstance> sourceInstanceType = sourceElementType.getInstanceType();
// if the referencing element (source element) is a BPMNDI element, dig deeper
if (referenceSourceTypeClass.isAssignableFrom(sourceInstanceType)) {
references.add(reference);
}
}
return references;
}
}