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/* Licensed under the Apache License, Version 2.0 (the "License");
* 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.activiti.engine.history;
import java.util.Date;
import org.activiti.engine.impl.history.HistoryLevel;
/**
* A single process variable containing the last value when its process instance has finished.
* It is only available when HISTORY_LEVEL is set >= VARIABLE
*
* @author Christian Lipphardt (camunda)
* @author ruecker
*/
public interface HistoricVariableInstance extends HistoricData {
/** The unique DB id */
String getId();
String getVariableName();
String getVariableTypeName();
Object getValue();
/** The process instance reference. */
String getProcessInstanceId();
/**
* @return the task id of the task, in case this variable instance has been set locally
* on a task. Returns null, if this variable is not related to a task.
*/
String getTaskId();
/**
* Returns the time when the variable was created.
*/
Date getCreateTime();
/**
* Returns the time when the value of the variable was last updated.
* Note that a {@link HistoricVariableInstance} only contains the latest value
* of the variable. The actual different value and value changes are recorded in
* {@link HistoricVariableUpdate} instances, which are captured on {@link HistoryLevel} FULL.
*/
Date getLastUpdatedTime();
}