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

Class MapJoinImpl<Z,K,V>

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.join.AbstractFrom<Z,X>

org.batoo.jpa.core.impl.criteria.join.AbstractJoin<Z,E>

org.batoo.jpa.core.impl.criteria.join.AbstractPluralJoin<Z,Map<K,V>,V>

org.batoo.jpa.core.impl.criteria.join.MapJoinImpl<Z,K,V>

Type Parameters:

Z - the source type

K - the key type

V - the value type

All Implemented Interfaces:

javax.persistence.criteria.Expression<V>, javax.persistence.criteria.FetchParent<Z,V>, javax.persistence.criteria.From<Z,V>, javax.persistence.criteria.Join<Z,V>, javax.persistence.criteria.MapJoin<Z,K,V>, javax.persistence.criteria.Path<V>, javax.persistence.criteria.PluralJoin<Z,Map<K,V>,V>, javax.persistence.criteria.Selection<V>, javax.persistence.TupleElement<V>, Joinable

public class MapJoinImpl<Z,K,V>
extends AbstractPluralJoin<Z,Map<K,V>,V>
implements javax.persistence.criteria.MapJoin<Z,K,V>

Implementation of ListJoin.

Since:

2.0.0

Author:

hceylan

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MapJoinImpl.MapSelectType The select type for the map join

Constructor Summary

Constructors

Constructor and Description
MapJoinImpl(AbstractFrom<?,Z> parent, PluralMapping<? super Z,Map<K,V>,V> mapping, javax.persistence.criteria.JoinType jointType)

Method Summary

Methods

Modifier and Type	Method and Description
javax.persistence.criteria.Expression<Map.Entry<K,V>>	entry()
String	generateSqlSelect(AbstractCriteriaQueryImpl<?> query, boolean selected) Returns the SQL select fragment.
String	generateSqlSelect(AbstractCriteriaQueryImpl<?> query, boolean selected, MapJoinImpl.MapSelectType selectType) Returns the SQL select fragment.
MapAttributeImpl<? super Z,K,V>	getModel()
V	handle(QueryImpl<?> query, SessionImpl session, ResultSet row) Handles the row.
Object	handle(SessionImpl session, ResultSet row, MapJoinImpl.MapSelectType selectType) Handles the row.
javax.persistence.criteria.Path<K>	key()
javax.persistence.criteria.Expression<Class<?>>	type(MapJoinImpl.MapSelectType selectType) Create an expression corresponding to the type of the path.
javax.persistence.criteria.Path<V>	value()

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

getMapping

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

generateJpqlJoins, generateJpqlSelect, getAttribute, getJoinType, getMapping, getParent, notSupported

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

ensureAlias, fetch, fetch, fetch, fetch, fetch, fetch, generateDiscrimination, generateJpqlRestriction, generateSqlJoins, getCorrelationParent, getEntity, getFetches, getFetchRoot, getJoins, getSqlRestrictionFragments, getSqlRestrictionFragments, getTableAlias, isCorrelated, isEntityList, join, join, join, join, join, join, join, join, join, join, join, join, joinCollection, joinCollection, joinList, joinList, joinMap, joinMap, joinSet, joinSet, select, type

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

get, get, get, get, getColumnAlias, 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, setConverter

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

alias, getAlias, getCompoundSelectionItems, isCompoundSelection

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.Join

getAttribute, getJoinType, getParent

Methods inherited from interface javax.persistence.criteria.From

getCorrelationParent, getJoins, isCorrelated, join, join, join, join, join, join, join, join, join, join, join, join, joinCollection, joinCollection, joinList, joinList, joinMap, joinMap, joinSet, joinSet

Methods inherited from interface javax.persistence.criteria.Path

get, get, get, get, getParentPath, type

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

Methods inherited from interface javax.persistence.criteria.FetchParent

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

Constructor Detail

MapJoinImpl

public MapJoinImpl(AbstractFrom<?,Z> parent,
           PluralMapping<? super Z,Map<K,V>,V> mapping,
           javax.persistence.criteria.JoinType jointType)

Parameters:

parent - the parent

mapping - the mapping

jointType - the join type

Since:

2.0.0

Method Detail

entry

public javax.persistence.criteria.Expression<Map.Entry<K,V>> entry()

Specified by:

entry in interface javax.persistence.criteria.MapJoin<Z,K,V>

generateSqlSelect

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

Returns the SQL select fragment.

Overrides:

generateSqlSelect in class AbstractFrom<Z,V>

Parameters:

query - the query

selected - if the selection is selected

Returns:

the SQL select fragment

generateSqlSelect

public String generateSqlSelect(AbstractCriteriaQueryImpl<?> query,
                       boolean selected,
                       MapJoinImpl.MapSelectType selectType)

Returns the SQL select fragment.

Parameters:

query - the query

selected - id the join is selected

selectType - the select type

Returns:

the SQL select fragment

Since:

2.0.0

getModel

public MapAttributeImpl<? super Z,K,V> getModel()

Specified by:

getModel in interface javax.persistence.criteria.MapJoin<Z,K,V>

Specified by:

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

Specified by:

getModel in interface javax.persistence.criteria.PluralJoin<Z,Map<K,V>,V>

handle

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

Handles the row.

Overrides:

handle in class AbstractFrom<Z,V>

Parameters:

query - the query

session - the session

row - the row

Returns:

the managed instance

Throws:

SQLException - thrown in case of an underlying SQL Error

handle

public Object handle(SessionImpl session,
            ResultSet row,
            MapJoinImpl.MapSelectType selectType)
              throws SQLException

Handles the row.

Parameters:

session - the session

row - the row

selectType - the map select type

Returns:

the managed instance

Throws:

SQLException - thrown in case of an underlying SQL Error

Since:

2.0.0

key

public javax.persistence.criteria.Path<K> key()

Specified by:

key in interface javax.persistence.criteria.MapJoin<Z,K,V>

type

public javax.persistence.criteria.Expression<Class<?>> type(MapJoinImpl.MapSelectType selectType)

Create an expression corresponding to the type of the path.

Parameters:

selectType - the select type

Returns:

expression corresponding to the type of the path

Since:

2.0.0

value

public javax.persistence.criteria.Path<V> value()

Specified by:

value in interface javax.persistence.criteria.MapJoin<Z,K,V>