Package org.apache.openjpa.persistence.query

Class NewInstance

java.lang.Object

org.apache.openjpa.persistence.query.NewInstance

All Implemented Interfaces:

Serializable, OrderByItem, SelectItem, Visitable

public class NewInstance
extends Object
implements SelectItem, Visitable

Denotes NEW fully.qualified.class.name(arg1, arg2,...)

Author:

Pinaki Poddar

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CLOSE_BRACE
static final String	COMMA
static final String	EMPTY
static final String	OPEN_BRACE
static final String	SPACE

Method Summary

Modifier and Type	Method	Description
OrderByItem	asc()	Return an OrderByItem referencing the SelectItem and specifying ascending ordering.
String	asExpression(org.apache.openjpa.persistence.query.AliasContext ctx)	Get a JPQL fragment as used in WHERE clause.
String	asJoinable(org.apache.openjpa.persistence.query.AliasContext ctx)	Gets the string representation in FROM clause.
String	asProjection(org.apache.openjpa.persistence.query.AliasContext ctx)	Gets the string representation in SELECT projection.
OrderByItem	desc()	Return an OrderByItem referencing the SelectItem and specifying descending ordering.
String	getAliasHint(org.apache.openjpa.persistence.query.AliasContext ctx)	Gets the hint to be used while creating alias.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.openjpa.persistence.query.Visitable

asExpression, asJoinable, getAliasHint

Field Details

SPACE

public static final String SPACE

See Also:

• Constant Field Values

OPEN_BRACE

public static final String OPEN_BRACE

See Also:

• Constant Field Values

CLOSE_BRACE

public static final String CLOSE_BRACE

See Also:

• Constant Field Values

COMMA

public static final String COMMA

See Also:

• Constant Field Values

EMPTY

public static final String EMPTY

See Also:

• Constant Field Values

Method Details

asc

public OrderByItem asc()

Description copied from interface: SelectItem

Return an OrderByItem referencing the SelectItem and specifying ascending ordering. The SelectItem must correspond to an orderable value.

Specified by:

asc in interface SelectItem

Returns:

order-by item

desc

public OrderByItem desc()

Description copied from interface: SelectItem

Return an OrderByItem referencing the SelectItem and specifying descending ordering. The SelectItem must correspond to an orderable value.

Specified by:

desc in interface SelectItem

Returns:

order-by item

asProjection

public String asProjection(org.apache.openjpa.persistence.query.AliasContext ctx)

Description copied from interface: Visitable

Gets the string representation in SELECT projection.

Specified by:

asProjection in interface Visitable

asExpression

public String asExpression(org.apache.openjpa.persistence.query.AliasContext ctx)

Description copied from interface: Visitable

Get a JPQL fragment as used in WHERE clause.

Specified by:

asExpression in interface Visitable

getAliasHint

public String getAliasHint(org.apache.openjpa.persistence.query.AliasContext ctx)

Description copied from interface: Visitable

Gets the hint to be used while creating alias.

Specified by:

getAliasHint in interface Visitable

asJoinable

public String asJoinable(org.apache.openjpa.persistence.query.AliasContext ctx)

Description copied from interface: Visitable

Gets the string representation in FROM clause.

Specified by:

asJoinable in interface Visitable