Package org.hibernate.envers.query.projection.internal

Class PropertyAuditProjection

java.lang.Object

org.hibernate.envers.query.projection.internal.PropertyAuditProjection

All Implemented Interfaces:

AuditProjection

public class PropertyAuditProjection
extends Object
implements AuditProjection

Constructor Summary

Constructors

Constructor	Description
PropertyAuditProjection(String alias, PropertyNameGetter propertyNameGetter, String function, boolean distinct)

Method Summary

Modifier and Type	Method	Description
void	addProjectionToQuery(EnversService enversService, AuditReaderImplementor auditReader, Map<String,String> aliasToEntityNameMap, Map<String,String> aliasToComponentPropertyNameMap, String baseAlias, QueryBuilder queryBuilder)	Adds an audit projection to the specified query.
Object	convertQueryResult(EnversService enversService, EntityInstantiator entityInstantiator, String entityName, Number revision, Object value)
String	getAlias(String baseAlias)	Get the alias associated with the audit projection.

Methods inherited from class java.lang.Object

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

Constructor Details

PropertyAuditProjection

public PropertyAuditProjection(String alias,
 PropertyNameGetter propertyNameGetter,
 String function,
 boolean distinct)

Method Details

getAlias

public String getAlias(String baseAlias)

Description copied from interface: AuditProjection

Get the alias associated with the audit projection.

Specified by:

getAlias in interface AuditProjection

Parameters:

baseAlias - the base alias if one exists; may be null

Returns:

the alias

addProjectionToQuery

public void addProjectionToQuery(EnversService enversService,
 AuditReaderImplementor auditReader,
 Map<String,String> aliasToEntityNameMap,
 Map<String,String> aliasToComponentPropertyNameMap,
 String baseAlias,
 QueryBuilder queryBuilder)

Description copied from interface: AuditProjection

Adds an audit projection to the specified query.

Specified by:

addProjectionToQuery in interface AuditProjection

Parameters:

enversService - the Envers service

auditReader - the audit reader implementor

aliasToEntityNameMap - the entity name alias map

baseAlias - the base alias, if one is specified; may be null

queryBuilder - the query builder

convertQueryResult

public Object convertQueryResult(EnversService enversService,
 EntityInstantiator entityInstantiator,
 String entityName,
 Number revision,
 Object value)

Specified by:

convertQueryResult in interface AuditProjection

Parameters:

enversService - the Envers service

entityInstantiator - the entity instantiator

entityName - the name of the entity for which the projection has been added

revision - the revision

value - the value to convert

Returns:

the converted value