com.mysema.query.group
Class QPair<K,V>

java.lang.Object
  com.mysema.query.types.ExpressionBase<com.mysema.commons.lang.Pair<K,V>>
      com.mysema.query.group.QPair<K,V>

Type Parameters:

K - Map key type

V - Map value type

All Implemented Interfaces:

Expression<com.mysema.commons.lang.Pair<K,V>>, FactoryExpression<com.mysema.commons.lang.Pair<K,V>>, Serializable

public final class QPair<K,V>
extends ExpressionBase<com.mysema.commons.lang.Pair<K,V>>
implements FactoryExpression<com.mysema.commons.lang.Pair<K,V>>

A pair of (Map) key and value

Author:

sasa

See Also:

Serialized Form

Field Summary

Fields inherited from class com.mysema.query.types.ExpressionBase

type

Constructor Summary

QPair(Expression<K> key, Expression<V> value)

Method Summary

<R,C> R	accept(Visitor<R,C> v, C context) Accept the visitor with the given context
static <K,V> QPair<K,V>	create(Expression<K> key, Expression<V> value)
boolean	equals(Expression<?> keyExpr, Class<?> valueType)
boolean	equals(Expression<?> keyExpr, Expression<?> valueExpr)
boolean	equals(Object o)
List<Expression<?>>	getArgs() Get the invocation arguments
int	hashCode()
com.mysema.commons.lang.Pair<K,V>	newInstance(Object... args) Create a projection with the given arguments

Methods inherited from class com.mysema.query.types.ExpressionBase

getType, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.mysema.query.types.Expression

getType

Constructor Detail

QPair

public QPair(Expression<K> key,
             Expression<V> value)

Method Detail

create

public static <K,V> QPair<K,V> create(Expression<K> key,
                                      Expression<V> value)

accept

public <R,C> R accept(Visitor<R,C> v,
                      C context)

Description copied from interface: Expression

Accept the visitor with the given context

Specified by:

accept in interface Expression<com.mysema.commons.lang.Pair<K,V>>

Type Parameters:

R - return type

C - context type

Parameters:

v - visitor

context - context of visit

Returns:

getArgs

public List<Expression<?>> getArgs()

Description copied from interface: FactoryExpression

Get the invocation arguments

Specified by:

getArgs in interface FactoryExpression<com.mysema.commons.lang.Pair<K,V>>

Returns:

equals

public boolean equals(Expression<?> keyExpr,
                      Expression<?> valueExpr)

equals

public boolean equals(Expression<?> keyExpr,
                      Class<?> valueType)

newInstance

public com.mysema.commons.lang.Pair<K,V> newInstance(Object... args)

Description copied from interface: FactoryExpression

Create a projection with the given arguments

Specified by:

newInstance in interface FactoryExpression<com.mysema.commons.lang.Pair<K,V>>

Returns:

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object