Package org.camunda.bpm.engine.impl.db.entitymanager

Examples of org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager

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  public void update() {
    registerCommandContextCloseListener();

    CommandContext commandContext = Context.getCommandContext();
    DbEntityManager dbEntityManger = commandContext.getDbEntityManager();
    dbEntityManger.merge(this);
  }
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  }

  /** general history event insert behavior */
  protected void insertOrUpdate(HistoryEvent historyEvent) {

    final DbEntityManager dbEntityManager = getDbEntityManager();

    String eventType = historyEvent.getEventType();
    if(eventType == null || isInitialEvent(eventType)) {
      dbEntityManager.insert(historyEvent);
    } else {
      if(dbEntityManager.getCachedEntity(historyEvent.getClass(), historyEvent.getId()) == null) {
        if (historyEvent instanceof HistoricScopeInstanceEvent) {
          // if this is a scope, get start time from existing event in DB
          HistoricScopeInstanceEvent existingEvent = (HistoricScopeInstanceEvent) dbEntityManager.selectById(historyEvent.getClass(), historyEvent.getId());
          if(existingEvent != null) {
            HistoricScopeInstanceEvent historicScopeInstanceEvent = (HistoricScopeInstanceEvent) historyEvent;
            historicScopeInstanceEvent.setStartTime(existingEvent.getStartTime());
          }
        }
        if(historyEvent.getId() == null) {
//          dbSqlSession.insert(historyEvent);
        } else {
          dbEntityManager.merge(historyEvent);
        }
      }
    }
  }
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  }


  /** customized insert behavior for HistoricVariableUpdateEventEntity */
  protected void insertHistoricVariableUpdateEntity(HistoricVariableUpdateEventEntity historyEvent) {
    DbEntityManager dbEntityManager = getDbEntityManager();

    // insert update only if history level = FULL
    int historyLevel = Context.getProcessEngineConfiguration().getHistoryLevel();
    if(historyLevel == ProcessEngineConfigurationImpl.HISTORYLEVEL_FULL) {

      // insert byte array entity (if applicable)
      byte[] byteValue = historyEvent.getByteValue();
      if(byteValue != null) {
        ByteArrayEntity byteArrayEntity = new ByteArrayEntity(historyEvent.getVariableName(), byteValue);
        Context
        .getCommandContext()
        .getDbEntityManager()
        .insert(byteArrayEntity);
        historyEvent.setByteArrayId(byteArrayEntity.getId());

      }
      dbEntityManager.insert(historyEvent);
    }

    // always insert/update HistoricProcessVariableInstance
    if(HistoryEvent.VARIABLE_EVENT_TYPE_CREATE.equals(historyEvent.getEventType())) {
      HistoricVariableInstanceEntity persistentObject = new HistoricVariableInstanceEntity(historyEvent);
      dbEntityManager.insert(persistentObject);

    } else if(HistoryEvent.VARIABLE_EVENT_TYPE_UPDATE.equals(historyEvent.getEventType())) {
      HistoricVariableInstanceEntity historicVariableInstanceEntity = dbEntityManager.selectById(HistoricVariableInstanceEntity.class, historyEvent.getVariableInstanceId());
      if(historicVariableInstanceEntity != null) {
        historicVariableInstanceEntity.updateFromEvent(historyEvent);

      } else {
        // #CAM-1344 / #SUPPORT-688
        // this is a FIX for process instances which were started in camunda fox 6.1 and migrated to camunda BPM 7.0.
        // in fox 6.1 the HistoricVariable instances were flushed to the DB when the process instance completed.
        // Since fox 6.2 we populate the HistoricVariable table as we go.
        HistoricVariableInstanceEntity persistentObject = new HistoricVariableInstanceEntity(historyEvent);
        dbEntityManager.insert(persistentObject);
      }

    } else if(HistoryEvent.VARIABLE_EVENT_TYPE_DELETE.equals(historyEvent.getEventType())) {
      HistoricVariableInstanceEntity historicVariableInstanceEntity = dbEntityManager.selectById(HistoricVariableInstanceEntity.class, historyEvent.getVariableInstanceId());
      if(historicVariableInstanceEntity != null) {
        historicVariableInstanceEntity.delete();
      }
    }

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    }

    CommandContext commandContext = Context.getCommandContext();
    ProcessDefinitionManager processDefinitionManager = commandContext.getProcessDefinitionManager();
    DeploymentCache deploymentCache = Context.getProcessEngineConfiguration().getDeploymentCache();
    DbEntityManager dbEntityManager = commandContext.getDbEntityManager();
    for (ProcessDefinitionEntity processDefinition : processDefinitions) {

      if (deployment.isNew()) {
        ProcessDefinitionEntity latestProcessDefinition = processDefinitionManager.findLatestProcessDefinitionByKey(processDefinition.getKey());

        processDefinition.setDeploymentId(deployment.getId());
        processDefinition.setVersion(getVersionForNewProcessDefinition(deployment, processDefinition, latestProcessDefinition));
        processDefinition.setId(getProcessDefinitionId(deployment, processDefinition));

        List<JobDeclaration<?>> declarations = jobDeclarations.get(processDefinition.getKey());
        updateJobDeclarations(declarations, processDefinition, deployment.isNew());
        adjustStartEventSubscriptions(processDefinition, latestProcessDefinition);

        dbEntityManager.insert(processDefinition);
        deploymentCache.addProcessDefinition(processDefinition);
        addAuthorizations(processDefinition);

      } else {
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    } else if (ProcessEngineConfiguration.DB_SCHEMA_UPDATE_TRUE.equals(databaseSchemaUpdate)) {
      persistenceSession.dbSchemaUpdate();
    }


    DbEntityManager entityManager = commandContext.getSession(DbEntityManager.class);
    checkHistoryLevel(entityManager);
    checkDeploymentLockExists(entityManager);

    return null;
  }
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  public static void createOrUpdateHistoryLevel(final ProcessEngineConfigurationImpl processEngineConfiguration) {
    processEngineConfiguration.getCommandExecutorTxRequired()
      .execute(new Command<Object>() {
       public Object execute(CommandContext commandContext) {
         DbEntityManager dbEntityManager = commandContext.getDbEntityManager();
         PropertyEntity historyLevelProperty = dbEntityManager.selectById(PropertyEntity.class, "historyLevel");
         if (historyLevelProperty != null) {
           if (processEngineConfiguration.getHistoryLevel() != new Integer(historyLevelProperty.getValue())) {
             historyLevelProperty.setValue(Integer.toString(processEngineConfiguration.getHistoryLevel()));
             dbEntityManager.merge(historyLevelProperty);
           }
         } else {
           SchemaOperationsProcessEngineBuild.dbCreateHistoryLevel(dbEntityManager);
         }
         return null;
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  public static void deleteHistoryLevel(ProcessEngineConfigurationImpl processEngineConfiguration) {
    processEngineConfiguration.getCommandExecutorTxRequired()
      .execute(new Command<Object>() {
       public Object execute(CommandContext commandContext) {
         DbEntityManager dbEntityManager = commandContext.getDbEntityManager();
         PropertyEntity historyLevelProperty = dbEntityManager.selectById(PropertyEntity.class, "historyLevel");
         if (historyLevelProperty != null) {
           dbEntityManager.delete(historyLevelProperty);
         }
         return null;
       }
      });
  }
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Related Classes of org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager

  • org.camunda.bpm.engine.impl.bpmn.deployer.BpmnDeployer
  • org.camunda.bpm.engine.impl.cfg.ProcessEngineConfigurationImpl
  • org.camunda.bpm.engine.impl.cmd.CreateAttachmentCmd
  • org.camunda.bpm.engine.impl.cmd.GetAttachmentContentCmd
  • org.camunda.bpm.engine.impl.cmmn.entity.repository.CaseDefinitionQueryImpl
  • org.camunda.bpm.engine.impl.db.DbEntity
  • org.camunda.bpm.engine.impl.db.DbEntityLifecycleAware
  • org.camunda.bpm.engine.impl.db.entitymanager.cache.CachedDbEntity
  • org.camunda.bpm.engine.impl.db.entitymanager.cache.DbEntityCache
  • org.camunda.bpm.engine.impl.db.entitymanager.operation.DbBulkOperation
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