Package org.chenile.workflow.service.stmcmds

Class GenericRetrievalStrategy<T extends ExtendedStateEntity>

java.lang.Object

org.chenile.workflow.service.stmcmds.GenericRetrievalStrategy<T>

All Implemented Interfaces:

StateEntityRetrievalStrategy<T>

public class GenericRetrievalStrategy<T extends ExtendedStateEntity>
extends Object
implements StateEntityRetrievalStrategy<T>

Field Summary

Fields

Modifier and Type	Field	Description
private EntityStore<T>	entityStore

Constructor Summary

Constructors

Constructor	Description
GenericRetrievalStrategy()

Method Summary

Modifier and Type	Method	Description
T	merge(T entity, T persistedEntity, String eventId)	Merges a state entity with another one obtained from persistent store
T	retrieve(T entity)	Retrieves a state entity from a persistent store like DB.
void	setEntityStore(EntityStore<T> entityStore)

Methods inherited from class java.lang.Object

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

Field Details

entityStore

private EntityStore<T extends ExtendedStateEntity> entityStore

Constructor Details

GenericRetrievalStrategy

public GenericRetrievalStrategy()

Method Details

setEntityStore

public void setEntityStore(EntityStore<T> entityStore)

retrieve

public T retrieve(T entity)
           throws Exception

Description copied from interface: StateEntityRetrievalStrategy

Retrieves a state entity from a persistent store like DB.

Specified by:

retrieve in interface StateEntityRetrievalStrategy<T extends ExtendedStateEntity>

Returns:

Throws:

Exception

merge

public T merge(T entity,
 T persistedEntity,
 String eventId)
        throws Exception

Description copied from interface: StateEntityRetrievalStrategy

Merges a state entity with another one obtained from persistent store

Specified by:

merge in interface StateEntityRetrievalStrategy<T extends ExtendedStateEntity>

Returns:

Throws:

Exception