io.requery.query

Class MutableTuple

java.lang.Object

io.requery.query.MutableTuple

All Implemented Interfaces:

Tuple, Serializable

Direct Known Subclasses:

CompositeKey

public class MutableTuple
extends Object
implements Tuple, Serializable

Implementation of a tuple created from a query.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MutableTuple(int size)

Method Summary

Modifier and Type	Method and Description
int	count()
boolean	equals(Object obj)
<V> V	get(Expression<V> key) Retrieve a value by a Expression instance.
<V> V	get(int index) Retrieve a value by a numeric index.
<V> V	get(String key) Retrieve a value by a column or alias name.
int	hashCode()
void	set(int index, Expression<?> expression, Object value)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MutableTuple

public MutableTuple(int size)

Method Detail

set

public void set(int index,
                Expression<?> expression,
                Object value)

get

public <V> V get(Expression<V> key)

Description copied from interface: Tuple

Retrieve a value by a Expression instance.

Specified by:

get in interface Tuple

Type Parameters:

V - type of result.

Parameters:

key - expression instance, this should be the same expression used in the query used to derive this result.

Returns:

the result for the given expression.

get

public <V> V get(int index)

Description copied from interface: Tuple

Retrieve a value by a numeric index.

Specified by:

get in interface Tuple

Type Parameters:

V - type of result.

Parameters:

index - 0 based index of the result set.

Returns:

the result at the given index.

get

public <V> V get(String key)

Description copied from interface: Tuple

Retrieve a value by a column or alias name.

Specified by:

get in interface Tuple

Type Parameters:

V - type of result.

Parameters:

key - the alias or column name used in the query

Returns:

the result for the given key or null if it does not exist.

count

public int count()

Specified by:

count in interface Tuple

Returns:

the number of items in this tuple instance.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object