org.eclipse.persistence.internal.jpa.querydef

Class TupleImpl

java.lang.Object

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

All Implemented Interfaces:

Serializable, javax.persistence.Tuple

public class TupleImpl
extends Object
implements javax.persistence.Tuple, Serializable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TupleImpl(List<? super javax.persistence.criteria.Selection<?>> selections, ReportQueryResult rqr)

Method Summary

Modifier and Type	Method and 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.
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.
<X> X	get(javax.persistence.TupleElement<X> tupleElement) Get the value of the specified result element.
List<javax.persistence.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

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

Constructor Detail

TupleImpl

public TupleImpl(List<? super javax.persistence.criteria.Selection<?>> selections,
                 ReportQueryResult rqr)

Method Detail

get

public <X> X get(javax.persistence.TupleElement<X> tupleElement)

Get the value of the specified result element.

Specified by:

get in interface javax.persistence.Tuple

Parameters:

resultElement - 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 javax.persistence.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 javax.persistence.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 javax.persistence.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 javax.persistence.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 javax.persistence.Tuple

Returns:

result element values

getElements

public List<javax.persistence.TupleElement<?>> getElements()

Return the elements of the tuple

Specified by:

getElements in interface javax.persistence.Tuple