org.camunda.bpm.engine.impl.pvm.process.ActivityStartBehavior Maven / Gradle / Ivy
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* 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.pvm.process;
import org.camunda.bpm.engine.impl.pvm.PvmActivity;
import org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl;
/**
* Defines the start behavior for {@link ActivityImpl activities}.
*
* @author Daniel Meyer
*
*/
public enum ActivityStartBehavior {
/**
* Default start behavior for an activity is to "do nothing special". Meaning:
* the activity is executed by the execution which enters it.
*
* NOTE: Only activities contained in normal flow can have DEFALUT start behavior.
*/
DEFAULT,
/**
* Used for activities which {@link PvmExecutionImpl#interrupt(String) interrupt}
* their {@link PvmActivity#getFlowScope() flow scope}. Examples:
* - Terminate end event
* - Cancel end event
*
* NOTE: can only be used for activities contained in normal flow
*/
INTERRUPT_FLOW_SCOPE,
/**
* Used for activities which are executed concurrently to activities
* within the same {@link ActivityImpl#getFlowScope() flowScope}.
*/
CONCURRENT_IN_FLOW_SCOPE,
/**
* Used for activities which {@link PvmExecutionImpl#interrupt(String) interrupt}
* their {@link PvmActivity#getEventScope() event scope}
*
* NOTE: cannot only be used for activities contained in normal flow
*/
INTERRUPT_EVENT_SCOPE,
/**
* Used for activities which cancel their {@link PvmActivity#getEventScope() event scope}.
* - Boundary events with cancelActivity=true
*
* NOTE: cannot only be used for activities contained in normal flow
*/
CANCEL_EVENT_SCOPE
}