org.camunda.bpm.engine.impl.migration.instance.MigratingInstance 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.migration.instance;
/**
* @author Thorben Lindhauer
*
*/
public interface MigratingInstance {
boolean isDetached();
/**
* Detach this instance's state from its owning instance and the execution tree
*/
void detachState();
/**
* Restore this instance's state as a subordinate to the given activity instance
* (e.g. in the execution tree).
* Restoration should restore the state that was detached
* before.
*/
void attachState(MigratingScopeInstance targetActivityInstance);
/**
* Restore this instance's state as a subordinate to the given transition instance
* (e.g. in the execution tree).
* Restoration should restore the state that was detached
* before.
*/
void attachState(MigratingTransitionInstance targetTransitionInstance);
/**
* Migrate state from the source process definition
* to the target process definition.
*/
void migrateState();
/**
* Migrate instances that are aggregated by this instance
* (e.g. an activity instance aggregates task instances).
*/
void migrateDependentEntities();
}