org.batoo.jpa.core.impl.criteria.join

Class FetchImpl<Z,X>

java.lang.Object

org.batoo.jpa.core.impl.criteria.join.FetchParentImpl<Z,X>

org.batoo.jpa.core.impl.criteria.join.FetchImpl<Z,X>

Type Parameters:

Z - the source type of the fetch

X - the target type of the fetch

All Implemented Interfaces:

javax.persistence.criteria.Fetch<Z,X>, javax.persistence.criteria.FetchParent<Z,X>, Joinable

public class FetchImpl<Z,X>
extends FetchParentImpl<Z,X>
implements javax.persistence.criteria.Fetch<Z,X>

Implementation of Fetch.

Since:

2.0.0

Author:

hceylan

Constructor Summary

Constructors

Constructor and Description
FetchImpl(FetchParentImpl<?,Z> parent, JoinedMapping<? super Z,?,X> mapping, javax.persistence.criteria.JoinType joinType)

Method Summary

Methods

Modifier and Type	Method and Description
String	generateJpqlFetches(String parent) Returns the description of the fetch.
void	generateSqlJoins(AbstractCriteriaQueryImpl<?> query, List<String> selfJoins) Generates the self SQL joins fragments.
AttributeImpl<? super Z,?>	getAttribute()
javax.persistence.criteria.JoinType	getJoinType()
JoinedMapping<? super Z,?,X>	getMapping() Returns the mapping of the fetch.
FetchParentImpl<?,Z>	getParent()
String	getPrimaryTableAlias(BaseQueryImpl<?> query) Returns the alias of the primary table.

Methods inherited from class org.batoo.jpa.core.impl.criteria.join.FetchParentImpl

fetch, fetch, fetch, fetch, fetch, fetch, generateDiscrimination, generateSqlJoins, generateSqlSelect, generateSqlSelect, getDiscriminatorAlias, getEntity, getFetches, getSqlRestrictionFragments, getTableAlias, handle, handle, handleElementFetch, handleElementFetch, handleFetch, join

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.FetchParent

fetch, fetch, fetch, fetch, fetch, fetch, getFetches

Constructor Detail

FetchImpl

public FetchImpl(FetchParentImpl<?,Z> parent,
         JoinedMapping<? super Z,?,X> mapping,
         javax.persistence.criteria.JoinType joinType)

Parameters:

parent - the parent of the join

mapping - the mapping of the join

joinType - the join type

Since:

2.0.0

Method Detail

generateJpqlFetches

public String generateJpqlFetches(String parent)

Returns the description of the fetch.

Overrides:

generateJpqlFetches in class FetchParentImpl<Z,X>

Parameters:

parent - the parent

Returns:

the description of the fetch

Since:

2.0.0

generateSqlJoins

public void generateSqlJoins(AbstractCriteriaQueryImpl<?> query,
                    List<String> selfJoins)

Generates the self SQL joins fragments.

Overrides:

generateSqlJoins in class FetchParentImpl<Z,X>

Parameters:

query - the query

selfJoins - the list of self joins

getAttribute

public AttributeImpl<? super Z,?> getAttribute()

Specified by:

getAttribute in interface javax.persistence.criteria.Fetch<Z,X>

getJoinType

public javax.persistence.criteria.JoinType getJoinType()

Specified by:

getJoinType in interface javax.persistence.criteria.Fetch<Z,X>

getMapping

public JoinedMapping<? super Z,?,X> getMapping()

Returns the mapping of the fetch.

Overrides:

getMapping in class FetchParentImpl<Z,X>

Returns:

the mapping of the fetch or null if the fetch is root

getParent

public FetchParentImpl<?,Z> getParent()

Specified by:

getParent in interface javax.persistence.criteria.Fetch<Z,X>

getPrimaryTableAlias

public String getPrimaryTableAlias(BaseQueryImpl<?> query)

Returns the alias of the primary table.

Overrides:

getPrimaryTableAlias in class FetchParentImpl<Z,X>

Parameters:

query - the query

Returns:

the alias of the primary table