org.hibernate.loader.plan.build.internal.spaces

Class JoinImpl

java.lang.Object

org.hibernate.loader.plan.build.internal.spaces.JoinImpl

All Implemented Interfaces:

Join, JoinDefinedByMetadata

public class JoinImpl
extends Object
implements JoinDefinedByMetadata

Author:

Steve Ebersole

Constructor Summary

Constructors

Constructor and Description
JoinImpl(QuerySpace leftHandSide, String lhsPropertyName, QuerySpace rightHandSide, String[] rhsColumnNames, Type joinedPropertyType, boolean rightHandSideRequired)

Method Summary

Modifier and Type	Method and Description
String	getAnyAdditionalJoinConditions(String rhsTableAlias) Gets any additional conditions on the right-hand-side of the join using the specified table alias.
String	getJoinedPropertyName() Obtain the name of the property that defines the join, relative to the PropertyMapping (QuerySpace.toAliasedColumns(String, String)) of the left-hand-side (Join.getLeftHandSide()) of the join
Type	getJoinedPropertyType() Get the property type of the joined property.
QuerySpace	getLeftHandSide() Get the QuerySpace from the left-hand-side of the join.
QuerySpace	getRightHandSide() Get the QuerySpace from the right-hand-side of the join.
boolean	isRightHandSideRequired() Indicates if the joined attribute is required to be non-null.
String[]	resolveAliasedLeftHandSideJoinConditionColumns(String leftHandSideTableAlias) Resolves the column names prefixed by the specified alias on the left-hand-side of the join.
String[]	resolveNonAliasedRightHandSideJoinConditionColumns() Resolves the raw (unaliased) column names on the right-hand-side of the join.

Methods inherited from class java.lang.Object

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

Constructor Detail

JoinImpl

public JoinImpl(QuerySpace leftHandSide,
                String lhsPropertyName,
                QuerySpace rightHandSide,
                String[] rhsColumnNames,
                Type joinedPropertyType,
                boolean rightHandSideRequired)

Method Detail

getLeftHandSide

public QuerySpace getLeftHandSide()

Description copied from interface: Join

Get the QuerySpace from the left-hand-side of the join.

Specified by:

getLeftHandSide in interface Join

Returns:

the query space from the left-hand-side of the join.

getRightHandSide

public QuerySpace getRightHandSide()

Description copied from interface: Join

Get the QuerySpace from the right-hand-side of the join.

Specified by:

getRightHandSide in interface Join

Returns:

the query space from the right-hand-side of the join.

isRightHandSideRequired

public boolean isRightHandSideRequired()

Description copied from interface: Join

Indicates if the joined attribute is required to be non-null.

Specified by:

isRightHandSideRequired in interface Join

Returns:

true, if the joined attribute is required to be non-null; false, otherwise.

resolveAliasedLeftHandSideJoinConditionColumns

public String[] resolveAliasedLeftHandSideJoinConditionColumns(String leftHandSideTableAlias)

Description copied from interface: Join

Resolves the column names prefixed by the specified alias on the left-hand-side of the join.

Specified by:

resolveAliasedLeftHandSideJoinConditionColumns in interface Join

Parameters:

leftHandSideTableAlias - The table alias used to prefix the columns.

Returns:

the aliased columns on the left-hand-side of the join.

resolveNonAliasedRightHandSideJoinConditionColumns

public String[] resolveNonAliasedRightHandSideJoinConditionColumns()

Description copied from interface: Join

Resolves the raw (unaliased) column names on the right-hand-side of the join.

Specified by:

resolveNonAliasedRightHandSideJoinConditionColumns in interface Join

Returns:

the columns on the right-hand-side of the join.

getAnyAdditionalJoinConditions

public String getAnyAdditionalJoinConditions(String rhsTableAlias)

Description copied from interface: Join

Gets any additional conditions on the right-hand-side of the join using the specified table alias.

Specified by:

getAnyAdditionalJoinConditions in interface Join

Parameters:

rhsTableAlias - The table alias.

Returns:

additional conditions on the right-hand-side of the join.

getJoinedPropertyName

public String getJoinedPropertyName()

Description copied from interface: JoinDefinedByMetadata

Obtain the name of the property that defines the join, relative to the PropertyMapping (QuerySpace.toAliasedColumns(String, String)) of the left-hand-side (Join.getLeftHandSide()) of the join

Specified by:

getJoinedPropertyName in interface JoinDefinedByMetadata

Returns:

The property name

getJoinedPropertyType

public Type getJoinedPropertyType()

Description copied from interface: JoinDefinedByMetadata

Get the property type of the joined property.

Specified by:

getJoinedPropertyType in interface JoinDefinedByMetadata

Returns:

The property type.