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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.flowable.engine.impl.util;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.flowable.common.engine.api.scope.ScopeTypes;
import org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl;
import org.flowable.engine.impl.history.HistoryManager;
import org.flowable.entitylink.api.EntityLink;
import org.flowable.entitylink.api.EntityLinkService;
import org.flowable.entitylink.api.EntityLinkType;
import org.flowable.entitylink.api.HierarchyType;
import org.flowable.entitylink.service.impl.persistence.entity.EntityLinkEntity;
/**
* @author Tijs Rademakers
* @author Filip Hrisafov
*/
public class EntityLinkUtil {
public static void createEntityLinks(String scopeId, String subScopeId, String parentElementId,
String referenceScopeId, String referenceScopeType) {
// scopeId is the process instance in which this is being created
// referenceScopeId is CallActivity, CaseTask, User
ProcessEngineConfigurationImpl processEngineConfiguration = CommandContextUtil.getProcessEngineConfiguration();
EntityLinkService entityLinkService = processEngineConfiguration.getEntityLinkServiceConfiguration().getEntityLinkService();
List scopeParentEntityLinks = entityLinkService.findEntityLinksByReferenceScopeIdAndType(scopeId, ScopeTypes.BPMN, EntityLinkType.CHILD);
Set parentIds = new HashSet<>();
HistoryManager historyManager = CommandContextUtil.getHistoryManager();
EntityLink scopeRootEntityLink = null;
// First copy existing links
for (EntityLink parentEntityLink : scopeParentEntityLinks) {
if (!parentIds.contains(parentEntityLink.getScopeId())) {
String newHierarchyType = null;
if (HierarchyType.ROOT.equals(parentEntityLink.getHierarchyType())) {
scopeRootEntityLink = parentEntityLink;
newHierarchyType = HierarchyType.ROOT;
} else if (HierarchyType.PARENT.equals(parentEntityLink.getHierarchyType())) {
if (ScopeTypes.TASK.equals(referenceScopeType)) {
// For tasks we need to create a Grand Parent link as well
// The parent of the scope parent is the Task Grand Parent
newHierarchyType = HierarchyType.GRAND_PARENT;
}
}
copyAndCreateEntityLink(subScopeId, parentElementId, referenceScopeId, referenceScopeType,
newHierarchyType, parentEntityLink, entityLinkService, historyManager);
parentIds.add(parentEntityLink.getScopeId());
}
}
// Create new entity link
String hierarchyType;
String rootScopeId;
String rootScopeType;
if (scopeRootEntityLink != null) {
// If a root entity link exists then the entity link that we would create would be with parent hierarchy type
hierarchyType = HierarchyType.PARENT;
rootScopeId = scopeRootEntityLink.getRootScopeId();
rootScopeType = scopeRootEntityLink.getRootScopeType();
} else {
hierarchyType = HierarchyType.ROOT;
rootScopeId = scopeId;
rootScopeType = ScopeTypes.BPMN;
}
createEntityLink(scopeId, subScopeId, parentElementId, referenceScopeId, referenceScopeType, hierarchyType,
rootScopeId, rootScopeType, entityLinkService, historyManager);
}
protected static EntityLinkEntity copyAndCreateEntityLink(String subScopeId, String parentElementId,
String referenceScopeId, String referenceScopeType, String hierarchyType,
EntityLink parentEntityLink, EntityLinkService entityLinkService, HistoryManager historyManager) {
EntityLinkEntity newEntityLink = (EntityLinkEntity) entityLinkService.createEntityLink();
newEntityLink.setLinkType(EntityLinkType.CHILD);
newEntityLink.setScopeId(parentEntityLink.getScopeId());
newEntityLink.setSubScopeId(subScopeId);
newEntityLink.setScopeType(parentEntityLink.getScopeType());
newEntityLink.setScopeDefinitionId(parentEntityLink.getScopeDefinitionId());
newEntityLink.setParentElementId(parentElementId);
newEntityLink.setReferenceScopeId(referenceScopeId);
newEntityLink.setReferenceScopeType(referenceScopeType);
newEntityLink.setHierarchyType(hierarchyType);
newEntityLink.setRootScopeId(parentEntityLink.getRootScopeId());
newEntityLink.setRootScopeType(parentEntityLink.getRootScopeType());
entityLinkService.insertEntityLink(newEntityLink);
historyManager.recordEntityLinkCreated(newEntityLink);
return newEntityLink;
}
protected static EntityLinkEntity createEntityLink(String scopeId, String subScopeId, String parentElementId,
String referenceScopeId, String referenceScopeType, String hierarchyType, String rootScopeId, String rootScopeType,
EntityLinkService entityLinkService, HistoryManager historyManager) {
EntityLinkEntity newEntityLink = (EntityLinkEntity) entityLinkService.createEntityLink();
newEntityLink.setLinkType(EntityLinkType.CHILD);
newEntityLink.setScopeId(scopeId);
newEntityLink.setSubScopeId(subScopeId);
newEntityLink.setScopeType(ScopeTypes.BPMN);
newEntityLink.setParentElementId(parentElementId);
newEntityLink.setReferenceScopeId(referenceScopeId);
newEntityLink.setReferenceScopeType(referenceScopeType);
newEntityLink.setHierarchyType(hierarchyType);
newEntityLink.setRootScopeId(rootScopeId);
newEntityLink.setRootScopeType(rootScopeType);
entityLinkService.insertEntityLink(newEntityLink);
historyManager.recordEntityLinkCreated(newEntityLink);
return newEntityLink;
}
}
