Module org.eclipse.persistence.jpa

Package org.eclipse.persistence.internal.jpa.querydef

Class TupleImpl

java.lang.Object

org.eclipse.persistence.internal.jpa.querydef.TupleImpl

All Implemented Interfaces:

Tuple, Serializable

public class TupleImpl
extends Object
implements Tuple, Serializable

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected ReportQueryResult	rqr
protected List<? super Selection<?>>	selections

Constructor Summary

Constructors

Constructor	Description
TupleImpl(List<? super Selection<?>> selections, ReportQueryResult rqr)

Method Summary

Modifier and Type	Method	Description
Object	get(int i)	Get the value of the element at the specified position in the result tuple.
<X> X	get(int i, Class<X> type)	Get the value of the element at the specified position in the result tuple.
<X> X	get(TupleElement<X> tupleElement)	Get the value of the specified result element.
Object	get(String alias)	Get the value of the tuple element to which the specified alias has been assigned.
<X> X	get(String alias, Class<X> type)	Get the value of the tuple result element to which the specified alias has been assigned.
List<TupleElement<?>>	getElements()	Return the elements of the tuple
Object[]	toArray()	Return the values of the result tuple as an array.

Methods inherited from class java.lang.Object

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

Field Details

selections

protected List<? super Selection<?>> selections

rqr

protected ReportQueryResult rqr

Constructor Details

TupleImpl

public TupleImpl(List<? super Selection<?>> selections,
 ReportQueryResult rqr)

Method Details

get

public <X> X get(TupleElement<X> tupleElement)

Get the value of the specified result element.

Specified by:

get in interface Tuple

Parameters:

tupleElement - tuple result element

Returns:

value of result element

Throws:

IllegalArgumentException - if result element does not correspond to an element in the query result tuple

get

public <X> X get(String alias,
 Class<X> type)

Get the value of the tuple result element to which the specified alias has been assigned.

Specified by:

get in interface Tuple

Parameters:

alias - alias assigned to result element

Returns:

type of the result element

Throws:

IllegalArgumentException - if alias does not correspond to an element in the query tuple result or type is incorrect

get

public Object get(String alias)

Get the value of the tuple element to which the specified alias has been assigned.

Specified by:

get in interface Tuple

Parameters:

alias - alias assigned to tuple element

Returns:

value of the tuple element

Throws:

IllegalArgumentException - if alias does not correspond to an element in the query result tuple

get

public <X> X get(int i,
 Class<X> type)

Get the value of the element at the specified position in the result tuple. The first position is 0.

Specified by:

get in interface Tuple

Parameters:

i - position in result tuple

type - type of the result element

Returns:

value of the result element

Throws:

IllegalArgumentException - if i exceeds length of result tuple or type is incorrect

get

public Object get(int i)

Get the value of the element at the specified position in the result tuple. The first position is 0.

Specified by:

get in interface Tuple

Parameters:

i - position in result tuple

Returns:

value of the result element

Throws:

IllegalArgumentException - if i exceeds length of result list

toArray

public Object[] toArray()

Return the values of the result tuple as an array.

Specified by:

toArray in interface Tuple

Returns:

result element values

getElements

public List<TupleElement<?>> getElements()

Return the elements of the tuple

Specified by:

getElements in interface Tuple