Package org.activiti.engine.impl.variable

Class HistoricJPAEntityVariableType

java.lang.Object

org.activiti.engine.impl.variable.JPAEntityVariableType

org.activiti.engine.impl.variable.HistoricJPAEntityVariableType

All Implemented Interfaces:

CacheableVariable, VariableType

public class HistoricJPAEntityVariableType
extends JPAEntityVariableType

Subclass of JPAEntityVariableType which is cacheable, unlike the super-class. This is used when fetching historic variables

Field Summary

Fields inherited from class org.activiti.engine.impl.variable.JPAEntityVariableType

TYPE_NAME

Constructor Summary

Constructors

Constructor	Description
HistoricJPAEntityVariableType()

Method Summary

Modifier and Type	Method	Description
static HistoricJPAEntityVariableType	getSharedInstance()
boolean	isCachable()	Indicates if this variable type supports caching.

Methods inherited from class org.activiti.engine.impl.variable.JPAEntityVariableType

getTypeName, getValue, isAbleToStore, setForceCacheable, setValue

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

HistoricJPAEntityVariableType

public HistoricJPAEntityVariableType()

Method Details

isCachable

public boolean isCachable()

Description copied from interface: VariableType

Indicates if this variable type supports caching.

If caching is supported, the result of VariableType.getValue(ValueFields) is saved for the duration of the session and used for subsequent reads of the variable's value.

If caching is not supported, all reads of a variable's value require a fresh call to VariableType.getValue(ValueFields).

Specified by:

isCachable in interface VariableType

Overrides:

isCachable in class JPAEntityVariableType

Returns:

whether variables of this type are cacheable.

getSharedInstance

public static HistoricJPAEntityVariableType getSharedInstance()