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

Class FetchParentImpl<Z,X>

java.lang.Object

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

Type Parameters:

Z - the source type

X - the target type

All Implemented Interfaces:

FetchParent<Z,X>, Joinable

Direct Known Subclasses:

FetchImpl

public class FetchParentImpl<Z,X>
extends Object
implements FetchParent<Z,X>, Joinable

Implementation of FetchParent.

Since:

$version

Author:

hceylan

Constructor Summary

Constructors

Constructor and Description
FetchParentImpl(EntityTypeImpl<X> entity)
FetchParentImpl(JoinedMapping<? super Z,?,X> mapping)

Method Summary

Methods

Modifier and Type	Method and Description
<Y> FetchImpl<X,Y>	fetch(PluralAttribute<? super X,?,Y> attribute)
<Y> FetchImpl<X,Y>	fetch(PluralAttribute<? super X,?,Y> attribute, JoinType jt)
<Y> FetchImpl<X,Y>	fetch(SingularAttribute<? super X,Y> attribute)
<Y> FetchImpl<X,Y>	fetch(SingularAttribute<? super X,Y> attribute, JoinType jt)
<Y> FetchImpl<X,Y>	fetch(String attributeName)
<Y> FetchImpl<X,Y>	fetch(String attributeName, JoinType jt)
String	generateDiscrimination(boolean noQualification) Returns the restriction based on discrimination.
String	generateJpqlFetches(String parent) Returns the description of the fetch.
void	generateSqlJoins(AbstractCriteriaQueryImpl<?> query, List<String> selfJoins) Generates the self SQL joins fragments.
void	generateSqlJoins(AbstractCriteriaQueryImpl<?> query, Map<Joinable,String> joins, boolean recurse) Generates joins SQL fragment for the fetch chain.
String	generateSqlSelect(AbstractCriteriaQueryImpl<?> query, boolean selected, boolean root) Returns the generated SQL fragment.
String	generateSqlSelect(AbstractCriteriaQueryImpl<?> query, boolean selected, boolean root, MapJoinImpl.MapSelectType selectType) Returns the generated SQL fragment.
EntityTypeImpl<?>	getEntity() Returns the entity of the joinable.
Set<Fetch<X,?>>	getFetches()
JoinedMapping<? super Z,?,X>	getMapping() Returns the mapping of the fetch.
String	getPrimaryTableAlias(BaseQueryImpl<?> query) Returns the alias of the primary table.
String[]	getSqlRestrictionFragments(BaseQueryImpl<?> query, MapJoinImpl.MapSelectType selectType) Returns the SQL restriction in pairs of table alias and column.
String	getTableAlias(BaseQueryImpl<?> query, AbstractTable table) Returns the alias for the table.
X	handle(SessionImpl session, ResultSet row) Handles the row.
EntryImpl<Object,ManagedInstance<?>>	handle(SessionImpl session, ResultSet row, MapJoinImpl.MapSelectType selectType) Handles the row.
EntryImpl<Object,X>	handleElementFetch(ResultSet row) Handles the row
EntryImpl<Object,X>	handleElementFetch(ResultSet row, MapJoinImpl.MapSelectType selectType) Handles the row
EntryImpl<Object,ManagedInstance<?>>	handleFetch(SessionImpl session, ResultSet row, MapJoinImpl.MapSelectType selectType) Handles the row.
<Y> FetchImpl<X,Y>	join(String attributeName, JoinType jt) Joins instead of fetch.

Methods inherited from class java.lang.Object

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

Constructor Detail

FetchParentImpl

public FetchParentImpl(EntityTypeImpl<X> entity)

Parameters:

entity - the entity

Since:

$version

FetchParentImpl

public FetchParentImpl(JoinedMapping<? super Z,?,X> mapping)

Parameters:

mapping - the mapping

Since:

$version

Method Detail

fetch

public final <Y> FetchImpl<X,Y> fetch(PluralAttribute<? super X,?,Y> attribute)

Specified by:

fetch in interface FetchParent<Z,X>

fetch

public final <Y> FetchImpl<X,Y> fetch(PluralAttribute<? super X,?,Y> attribute,
                       JoinType jt)

Specified by:

fetch in interface FetchParent<Z,X>

fetch

public final <Y> FetchImpl<X,Y> fetch(SingularAttribute<? super X,Y> attribute)

Specified by:

fetch in interface FetchParent<Z,X>

fetch

public final <Y> FetchImpl<X,Y> fetch(SingularAttribute<? super X,Y> attribute,
                       JoinType jt)

Specified by:

fetch in interface FetchParent<Z,X>

fetch

public final <Y> FetchImpl<X,Y> fetch(String attributeName)

Specified by:

fetch in interface FetchParent<Z,X>

fetch

public <Y> FetchImpl<X,Y> fetch(String attributeName,
                       JoinType jt)

Specified by:

fetch in interface FetchParent<Z,X>

generateDiscrimination

public String generateDiscrimination(boolean noQualification)

Returns the restriction based on discrimination.

Parameters:

noQualification - if the fields should not be quelified

Returns:

the restriction based on discrimination, null

Since:

$version

generateJpqlFetches

public String generateJpqlFetches(String parent)

Returns the description of the fetch.

Parameters:

parent - the parent

Returns:

the description of the fetch *

generateSqlJoins

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

Generates the self SQL joins fragments.

Parameters:

query - the query

selfJoins - the list of self joins

Since:

$version

generateSqlJoins

public void generateSqlJoins(AbstractCriteriaQueryImpl<?> query,
                    Map<Joinable,String> joins,
                    boolean recurse)

Generates joins SQL fragment for the fetch chain.

Parameters:

query - the query

joins - the map of joins

recurse - recurse to fetch children

Since:

$version

generateSqlSelect

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

Returns the generated SQL fragment.

Parameters:

query - the query

selected - if the item is selected

root - if the generation is at root

Returns:

the generated SQL fragment

Since:

$version

generateSqlSelect

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

Returns the generated SQL fragment.

Parameters:

query - the query

selected - if the item is selected

root - if the generation is at root

selectType - the select type

Returns:

the generated SQL fragment

Since:

$version

getEntity

public EntityTypeImpl<?> getEntity()

Returns the entity of the joinable.

Specified by:

getEntity in interface Joinable

Returns:

the entity of the joinable

getFetches

public final Set<Fetch<X,?>> getFetches()

Specified by:

getFetches in interface FetchParent<Z,X>

getMapping

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

Returns the mapping of the fetch.

Returns:

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

Since:

$version

getPrimaryTableAlias

public String getPrimaryTableAlias(BaseQueryImpl<?> query)

Returns the alias of the primary table.

Parameters:

query - the query

Returns:

the alias of the primary table

Since:

$version

getSqlRestrictionFragments

public String[] getSqlRestrictionFragments(BaseQueryImpl<?> query,
                                  MapJoinImpl.MapSelectType selectType)

Returns the SQL restriction in pairs of table alias and column.

Parameters:

query - the query

selectType - the select type

Returns:

the SQL restriction in pairs of table alias and column

Since:

$version

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

Since:

$version

handle

public X handle(SessionImpl session,
       ResultSet row)
         throws SQLException

Handles the row.

Parameters:

session - the session

row - the current row

Returns:

the instance

Throws:

SQLException - thrown in case of an underlying SQL Error

Since:

$version

handle

public EntryImpl<Object,ManagedInstance<?>> handle(SessionImpl session,
                                          ResultSet row,
                                          MapJoinImpl.MapSelectType selectType)
                                            throws SQLException

Handles the row.

Parameters:

session - the session

row - the current row

selectType - the map select type

Returns:

the instance

Throws:

SQLException - thrown in case of an underlying SQL Error

Since:

$version

handleElementFetch

public EntryImpl<Object,X> handleElementFetch(ResultSet row)
                                       throws SQLException

Handles the row

Parameters:

row - the row

Returns:

the collection element

Throws:

SQLException - thrown in case of an underlying SQL Error

Since:

$version

handleElementFetch

public EntryImpl<Object,X> handleElementFetch(ResultSet row,
                                     MapJoinImpl.MapSelectType selectType)
                                       throws SQLException

Handles the row

Parameters:

row - the row

selectType - the select type

Returns:

the collection element

Throws:

SQLException - thrown in case of an underlying SQL Error

Since:

$version

handleFetch

public EntryImpl<Object,ManagedInstance<?>> handleFetch(SessionImpl session,
                                               ResultSet row,
                                               MapJoinImpl.MapSelectType selectType)
                                                 throws SQLException

Handles the row.

Parameters:

session - the session

row - the current row

selectType - the map select type

Returns:

the instance

Throws:

SQLException - thrown in case of an underlying SQL Error

Since:

$version

join

public <Y> FetchImpl<X,Y> join(String attributeName,
                      JoinType jt)

Joins instead of fetch.

Type Parameters:

Y - the type of the return join

Parameters:

attributeName - the name of the attribute

jt - the join type

Returns:

the fetch for the join

Since:

$version