Package org.activiti.engine

Examples of org.activiti.engine.ActivitiException

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      return null;

    String processInstanceId = (String) getRequest().getAttributes().get("processInstanceId");

    if (processInstanceId == null) {
      throw new ActivitiException("No process instance id provided");
    }

    TaskQuery taskQuery = ActivitiUtil.getTaskService().createTaskQuery().processInstanceId(processInstanceId);

    // Return also processDefinitionName for each task
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    if (loopCardinalityExpression != null) {
      nrOfInstances = resolveLoopCardinality(execution);
    } else if (collectionExpression != null) {
      Object obj = collectionExpression.getValue(execution);
      if (!(obj instanceof Collection)) {
        throw new ActivitiException(collectionExpression.getExpressionText()+"' didn't resolve to a Collection");
      }
      nrOfInstances = ((Collection) obj).size();
    } else if (collectionVariable != null) {
      Object obj = execution.getVariable(collectionVariable);
      if (!(obj instanceof Collection)) {
        throw new ActivitiException("Variable " + collectionVariable+"' is not a Collection");
      }
      nrOfInstances = ((Collection) obj).size();
    } else {
      throw new ActivitiException("Couldn't resolve collection expression nor variable reference");
    }
    return nrOfInstances;
  }
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    if (value instanceof Number) {
      return ((Number) value).intValue();
    } else if (value instanceof String) {
      return Integer.valueOf((String) value);
    } else {
      throw new ActivitiException("Could not resolve loopCardinality expression '"
              +loopCardinalityExpression.getExpressionText()+"': not a number nor number String");
    }
  }
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  protected boolean completionConditionSatisfied(ActivityExecution execution) {
    if (completionConditionExpression != null) {
      Object value = completionConditionExpression.getValue(execution);
      if (! (value instanceof Boolean)) {
        throw new ActivitiException("completionCondition '"
                + completionConditionExpression.getExpressionText()
                + "' does not evaluate to a boolean value");
      }
      Boolean booleanValue = (Boolean) value;
      if (LOGGER.isLoggable(Level.FINE)) {
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      try {
        Context.getProcessEngineConfiguration()
          .getDelegateInterceptor()
          .handleInvocation(new ExecutionListenerInvocation(executionListener, execution));
      } catch (Exception e) {
        throw new ActivitiException("Couldn't execute end listener", e);
      }
    }
  }
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    this.type = type;
  }
 
  protected void validateParams(String userId, String groupId, String type, String taskId) {
    if(taskId == null) {
      throw new ActivitiException("taskId is null");
    }
   
    if (type == null) {
      throw new ActivitiException("type is required when adding a new task identity link");
    }
   
    // Special treatment for assignee and owner: group cannot be used and userId may be null
    if (IdentityLinkType.ASSIGNEE.equals(type) || IdentityLinkType.OWNER.equals(type)) {
      if (groupId != null) {
        throw new ActivitiException("Incompatible usage: cannot use type '" + type
                + "' together with a groupId");
      }
    } else {
      if (userId == null && groupId == null) {
        throw new ActivitiException("userId and groupId cannot both be null");
      }
    }
  }
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    for (PersistentObject insertedObject: insertedObjects) {
      String insertStatement = dbSqlSessionFactory.getInsertStatement(insertedObject);
      insertStatement = dbSqlSessionFactory.mapStatement(insertStatement);

      if (insertStatement==null) {
        throw new ActivitiException("no insert statement for "+insertedObject.getClass()+" in the ibatis mapping files");
      }
     
      log.fine("inserting: "+toString(insertedObject));
      sqlSession.insert(insertStatement, insertedObject);
     
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    }
  }
 
  protected void checkHistoryEnabled() {
    if(!getHistoryManager().isHistoryEnabled()) {
      throw new ActivitiException("In order to use attachments, history should be enabled");
    }
  }
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  protected void flushUpdates(List<PersistentObject> updatedObjects) {
    for (PersistentObject updatedObject: updatedObjects) {
      String updateStatement = dbSqlSessionFactory.getUpdateStatement(updatedObject);
      updateStatement = dbSqlSessionFactory.mapStatement(updateStatement);
      if (updateStatement==null) {
        throw new ActivitiException("no update statement for "+updatedObject.getClass()+" in the ibatis mapping files");
      }
      log.fine("updating: "+toString(updatedObject)+"]");
      int updatedRecords = sqlSession.update(updateStatement, updatedObject);
      if (updatedRecords!=1) {
        throw new ActivitiOptimisticLockingException(toString(updatedObject)+" was updated by another transaction concurrently");
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      if (dbSqlSessionFactory.isDbIdentityUsed() && !isIdentityTablePresent()) {
        errorMessage = addMissingComponent(errorMessage, "identity");
      }
     
      if (errorMessage!=null) {
        throw new ActivitiException("Activiti database problem: "+errorMessage);
      }
     
    } catch (Exception e) {
      if (isMissingTablesException(e)) {
        throw new ActivitiException("no activiti tables in db.  set <property name=\"databaseSchemaUpdate\" to value=\"true\" or value=\"create-drop\" (use create-drop for testing only!) in bean processEngineConfiguration in activiti.cfg.xml for automatic schema creation", e);
      } else {
        if (e instanceof RuntimeException) {
          throw (RuntimeException) e;
        } else {
          throw new ActivitiException("couldn't get db schema version", e);
        }
      }
    }

    log.fine("activiti db schema check successful");
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