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org.camunda.bpm.engine.impl.persistence.entity.ExternalTaskManager Maven / Gradle / Ivy
/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.engine.impl.persistence.entity;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.camunda.bpm.engine.externaltask.ExternalTask;
import org.camunda.bpm.engine.impl.Direction;
import org.camunda.bpm.engine.impl.ExternalTaskQueryImpl;
import org.camunda.bpm.engine.impl.ExternalTaskQueryProperty;
import org.camunda.bpm.engine.impl.ProcessEngineImpl;
import org.camunda.bpm.engine.impl.QueryOrderingProperty;
import org.camunda.bpm.engine.impl.cfg.TransactionListener;
import org.camunda.bpm.engine.impl.cfg.TransactionState;
import org.camunda.bpm.engine.impl.context.Context;
import org.camunda.bpm.engine.impl.db.ListQueryParameterObject;
import org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager;
import org.camunda.bpm.engine.impl.db.sql.DbSqlSessionFactory;
import org.camunda.bpm.engine.impl.externaltask.TopicFetchInstruction;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.persistence.AbstractManager;
import org.camunda.bpm.engine.impl.util.ClockUtil;
import org.camunda.bpm.engine.impl.util.DatabaseUtil;
import org.camunda.bpm.engine.impl.util.ImmutablePair;
/**
* @author Thorben Lindhauer
*
*/
public class ExternalTaskManager extends AbstractManager {
public static QueryOrderingProperty EXT_TASK_PRIORITY_ORDERING_PROPERTY = new QueryOrderingProperty(ExternalTaskQueryProperty.PRIORITY, Direction.DESCENDING);
public ExternalTaskEntity findExternalTaskById(String id) {
return getDbEntityManager().selectById(ExternalTaskEntity.class, id);
}
public void insert(ExternalTaskEntity externalTask) {
getDbEntityManager().insert(externalTask);
fireExternalTaskAvailableEvent();
}
public void delete(ExternalTaskEntity externalTask) {
getDbEntityManager().delete(externalTask);
}
@SuppressWarnings("unchecked")
public List findExternalTasksByExecutionId(String id) {
return getDbEntityManager().selectList("selectExternalTasksByExecutionId", id);
}
@SuppressWarnings("unchecked")
public List findExternalTasksByProcessInstanceId(String processInstanceId) {
return getDbEntityManager().selectList("selectExternalTasksByProcessInstanceId", processInstanceId);
}
@SuppressWarnings("unchecked")
public List selectExternalTasksForTopics(Collection queryFilters, int maxResults, boolean usePriority) {
if (queryFilters.isEmpty()) {
return new ArrayList<>();
}
Map parameters = new HashMap<>();
parameters.put("topics", queryFilters);
parameters.put("now", ClockUtil.getCurrentTime());
parameters.put("applyOrdering", usePriority);
List orderingProperties = new ArrayList<>();
orderingProperties.add(EXT_TASK_PRIORITY_ORDERING_PROPERTY);
parameters.put("orderingProperties", orderingProperties);
parameters.put("usesPostgres",
DatabaseUtil.checkDatabaseType(DbSqlSessionFactory.POSTGRES, DbSqlSessionFactory.CRDB));
ListQueryParameterObject parameter = new ListQueryParameterObject(parameters, 0, maxResults);
configureQuery(parameter);
DbEntityManager manager = getDbEntityManager();
return manager.selectList("selectExternalTasksForTopics", parameter);
}
@SuppressWarnings("unchecked")
public List findExternalTasksByQueryCriteria(ExternalTaskQueryImpl externalTaskQuery) {
configureQuery(externalTaskQuery);
return getDbEntityManager().selectList("selectExternalTaskByQueryCriteria", externalTaskQuery);
}
@SuppressWarnings("unchecked")
public List findExternalTaskIdsByQueryCriteria(ExternalTaskQueryImpl externalTaskQuery) {
configureQuery(externalTaskQuery);
return getDbEntityManager().selectList("selectExternalTaskIdsByQueryCriteria", externalTaskQuery);
}
@SuppressWarnings("unchecked")
public List> findDeploymentIdMappingsByQueryCriteria(ExternalTaskQueryImpl externalTaskQuery) {
configureQuery(externalTaskQuery);
return getDbEntityManager().selectList("selectExternalTaskDeploymentIdMappingsByQueryCriteria", externalTaskQuery);
}
public long findExternalTaskCountByQueryCriteria(ExternalTaskQueryImpl externalTaskQuery) {
configureQuery(externalTaskQuery);
return (Long) getDbEntityManager().selectOne("selectExternalTaskCountByQueryCriteria", externalTaskQuery);
}
@SuppressWarnings("unchecked")
public List selectTopicNamesByQuery(ExternalTaskQueryImpl externalTaskQuery) {
configureQuery(externalTaskQuery);
return getDbEntityManager().selectList("selectTopicNamesByQuery", externalTaskQuery);
}
protected void updateExternalTaskSuspensionState(String processInstanceId,
String processDefinitionId, String processDefinitionKey, SuspensionState suspensionState) {
Map parameters = new HashMap<>();
parameters.put("processInstanceId", processInstanceId);
parameters.put("processDefinitionId", processDefinitionId);
parameters.put("processDefinitionKey", processDefinitionKey);
parameters.put("isProcessDefinitionTenantIdSet", false);
parameters.put("suspensionState", suspensionState.getStateCode());
getDbEntityManager().update(ExternalTaskEntity.class, "updateExternalTaskSuspensionStateByParameters", configureParameterizedQuery(parameters));
}
public void updateExternalTaskSuspensionStateByProcessInstanceId(String processInstanceId, SuspensionState suspensionState) {
updateExternalTaskSuspensionState(processInstanceId, null, null, suspensionState);
}
public void updateExternalTaskSuspensionStateByProcessDefinitionId(String processDefinitionId, SuspensionState suspensionState) {
updateExternalTaskSuspensionState(null, processDefinitionId, null, suspensionState);
}
public void updateExternalTaskSuspensionStateByProcessDefinitionKey(String processDefinitionKey, SuspensionState suspensionState) {
updateExternalTaskSuspensionState(null, null, processDefinitionKey, suspensionState);
}
public void updateExternalTaskSuspensionStateByProcessDefinitionKeyAndTenantId(String processDefinitionKey, String processDefinitionTenantId, SuspensionState suspensionState) {
Map parameters = new HashMap<>();
parameters.put("processDefinitionKey", processDefinitionKey);
parameters.put("isProcessDefinitionTenantIdSet", true);
parameters.put("processDefinitionTenantId", processDefinitionTenantId);
parameters.put("suspensionState", suspensionState.getStateCode());
getDbEntityManager().update(ExternalTaskEntity.class, "updateExternalTaskSuspensionStateByParameters", configureParameterizedQuery(parameters));
}
protected void configureQuery(ExternalTaskQueryImpl query) {
getAuthorizationManager().configureExternalTaskQuery(query);
getTenantManager().configureQuery(query);
}
protected void configureQuery(ListQueryParameterObject parameter) {
getAuthorizationManager().configureExternalTaskFetch(parameter);
getTenantManager().configureQuery(parameter);
}
protected ListQueryParameterObject configureParameterizedQuery(Object parameter) {
return getTenantManager().configureQuery(parameter);
}
public void fireExternalTaskAvailableEvent() {
Context.getCommandContext()
.getTransactionContext()
.addTransactionListener(TransactionState.COMMITTED, new TransactionListener() {
@Override
public void execute(CommandContext commandContext) {
ProcessEngineImpl.EXT_TASK_CONDITIONS.signalAll();
}
});
}
}