org.batoo.jpa.core.impl.criteria.path

Class EntityPath<Z,X>

java.lang.Object

org.batoo.jpa.core.impl.criteria.TupleElementImpl<X>

org.batoo.jpa.core.impl.criteria.AbstractSelection<T>

org.batoo.jpa.core.impl.criteria.expression.AbstractExpression<X>

org.batoo.jpa.core.impl.criteria.path.AbstractPath<X>

org.batoo.jpa.core.impl.criteria.path.ParentPath<Z,X>

org.batoo.jpa.core.impl.criteria.path.EntityPath<Z,X>

Type Parameters:

Z - the source type

X - the target type

All Implemented Interfaces:

javax.persistence.criteria.Expression<X>, javax.persistence.criteria.Path<X>, javax.persistence.criteria.Selection<X>, javax.persistence.TupleElement<X>, Joinable

public class EntityPath<Z,X>
extends ParentPath<Z,X>
implements Joinable

Entity type attribute implementation of Path.

Since:

2.0.0

Author:

hceylan

Constructor Summary

Constructors

Constructor and Description
EntityPath(ParentPath<?,Z> parent, SingularAssociationMappingImpl<?,Z> mapping, EntityTypeImpl<X> entity)

Method Summary

Methods

Modifier and Type	Method and Description
String	generateJpqlRestriction(BaseQueryImpl<?> query) Returns the JPQL where fragment.
String	generateJpqlSelect(AbstractCriteriaQueryImpl<?> query, boolean selected) Returns the JPQL select fragment.
String	generateSqlSelect(AbstractCriteriaQueryImpl<?> query, boolean selected) Returns the SQL select fragment.
String	getColumnAlias(BaseQueryImpl<?> query, AbstractColumn column) Returns the table alias for the column.
EntityTypeImpl<?>	getEntity() Returns the entity of the joinable.
FetchParentImpl<?,X>	getFetchRoot() Returns the fetch root of the path.
protected <C,Y> AbstractMapping<? super X,C,Y>	getMapping(String name) Returns the child mapping for the name.
EntityTypeImpl<X>	getModel()
String[]	getSqlRestrictionFragments(BaseQueryImpl<?> query) Returns the SQL restriction fragments.
String	getTableAlias(BaseQueryImpl<?> query, AbstractTable table) Returns the alias for the table.
X	handle(QueryImpl<?> query, SessionImpl session, ResultSet row) Handles the row.
AbstractTypeExpression<X>	type()

Methods inherited from class org.batoo.jpa.core.impl.criteria.path.ParentPath

get, get, get, get, getExpression

Methods inherited from class org.batoo.jpa.core.impl.criteria.path.AbstractPath

cannotDereference, getParentPath, getRootPath

Methods inherited from class org.batoo.jpa.core.impl.criteria.expression.AbstractExpression

as, getConverter, in, in, in, in, isNotNull, isNull, notIn, notIn, notIn, notIn, setConverter

Methods inherited from class org.batoo.jpa.core.impl.criteria.AbstractSelection

alias, getAlias, getCompoundSelectionItems, isCompoundSelection, isEntityList

Methods inherited from class org.batoo.jpa.core.impl.criteria.TupleElementImpl

getJavaType

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.persistence.criteria.Path

get, get, getParentPath

Methods inherited from interface javax.persistence.criteria.Expression

as, in, in, in, in, isNotNull, isNull

Methods inherited from interface javax.persistence.criteria.Selection

alias, getCompoundSelectionItems, isCompoundSelection

Methods inherited from interface javax.persistence.TupleElement

getAlias, getJavaType

Constructor Detail

EntityPath

public EntityPath(ParentPath<?,Z> parent,
          SingularAssociationMappingImpl<?,Z> mapping,
          EntityTypeImpl<X> entity)

Parameters:

parent - the parent path

mapping - the path name

entity - the entity

Since:

2.0.0

Method Detail

generateJpqlRestriction

public String generateJpqlRestriction(BaseQueryImpl<?> query)

Returns the JPQL where fragment.

Specified by:

generateJpqlRestriction in class AbstractExpression<X>

Parameters:

query - the query

Returns:

the JPQL where fragment

generateJpqlSelect

public String generateJpqlSelect(AbstractCriteriaQueryImpl<?> query,
                        boolean selected)

Returns the JPQL select fragment.

Specified by:

generateJpqlSelect in class AbstractSelection<X>

Parameters:

query - the criteria query

selected - if the selection is selected

Returns:

the JPQL select fragment

generateSqlSelect

public String generateSqlSelect(AbstractCriteriaQueryImpl<?> query,
                       boolean selected)

Returns the SQL select fragment.

Specified by:

generateSqlSelect in class AbstractSelection<X>

Parameters:

query - the query

selected - if the selection is selected

Returns:

the SQL select fragment

getColumnAlias

public String getColumnAlias(BaseQueryImpl<?> query,
                    AbstractColumn column)

Returns the table alias for the column.

Overrides:

getColumnAlias in class ParentPath<Z,X>

Parameters:

query - the query

column - the column

Returns:

the table alias for the column

getEntity

public EntityTypeImpl<?> getEntity()

Returns the entity of the joinable.

Specified by:

getEntity in interface Joinable

Returns:

the entity of the joinable

getFetchRoot

public FetchParentImpl<?,X> getFetchRoot()

Returns the fetch root of the path.

Specified by:

getFetchRoot in class ParentPath<Z,X>

Returns:

the fetch root

getMapping

protected <C,Y> AbstractMapping<? super X,C,Y> getMapping(String name)

Returns the child mapping for the name.

Specified by:

getMapping in class ParentPath<Z,X>

Type Parameters:

C - the collection type of the child mapping

Y - the type of the child mapping

Parameters:

name - the name of the child mapping

Returns:

the child mapping

getModel

public EntityTypeImpl<X> getModel()

Specified by:

getModel in interface javax.persistence.criteria.Path<X>

getSqlRestrictionFragments

public String[] getSqlRestrictionFragments(BaseQueryImpl<?> query)

Returns the SQL restriction fragments.

Specified by:

getSqlRestrictionFragments in class AbstractSelection<X>

Parameters:

query - the query

Returns:

the SQL restriction fragments

getTableAlias

public String getTableAlias(BaseQueryImpl<?> query,
                   AbstractTable table)

Returns the alias for the table.

if table does not have an alias, it is generated.

Specified by:

getTableAlias in interface Joinable

Parameters:

query - the query

table - the table

Returns:

the alias for the table

handle

public X handle(QueryImpl<?> query,
       SessionImpl session,
       ResultSet row)
         throws SQLException

Handles the row.

Specified by:

handle in class AbstractSelection<X>

Parameters:

query - the query

session - the session

row - the row

Returns:

the managed instance

Throws:

SQLException - thrown in case of an underlying SQL Error

type

public AbstractTypeExpression<X> type()

Specified by:

type in interface javax.persistence.criteria.Path<X>