org.gridgain.grid.kernal.processors.cache

Class GridCacheReturn<V>

java.lang.Object

org.gridgain.grid.kernal.processors.cache.GridCacheReturn<V>

All Implemented Interfaces:

Externalizable, Serializable, GridOptimizedMarshallable

public class GridCacheReturn<V>
extends Object
implements Externalizable, GridOptimizedMarshallable

Return value for cases where both, value and success flag need to be returned.

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.gridgain.grid.marshaller.optimized.GridOptimizedMarshallable

CLS_ID_FIELD_NAME

Constructor Summary

Constructors

Constructor and Description
GridCacheReturn() Empty constructor.
GridCacheReturn(boolean success)
GridCacheReturn(V v)
GridCacheReturn(V v, boolean success)

Method Summary

Methods

Modifier and Type	Method and Description
Object	ggClassId() Implementation of this method should simply return value of GG_CLASS_ID field.
boolean	hasValue() Checks if value is not null.
void	readExternal(ObjectInput in)
GridCacheReturn<V>	set(V v, boolean success)
GridCacheReturn<V>	setIfNull(V v, boolean success)
boolean	success()
GridCacheReturn<V>	success(boolean success)
String	toString()
V	value()
GridCacheReturn<V>	value(V v)
GridCacheReturn<V>	valueIfNull(V v)
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

GridCacheReturn

public GridCacheReturn()

Empty constructor.

GridCacheReturn

public GridCacheReturn(V v)

Parameters:

v - Value.

GridCacheReturn

public GridCacheReturn(boolean success)

Parameters:

success - Success flag.

GridCacheReturn

public GridCacheReturn(V v,
               boolean success)

Parameters:

v - Value.

success - Success flag.

Method Detail

value

@Nullable
public V value()

Returns:

Value.

hasValue

public boolean hasValue()

Checks if value is not null.

Returns:

True if value is not null.

value

public GridCacheReturn<V> value(V v)

Parameters:

v - Value.

Returns:

This instance for chaining.

valueIfNull

public GridCacheReturn<V> valueIfNull(V v)

Parameters:

v - Value.

Returns:

This instance for chaining.

success

public boolean success()

Returns:

Success flag.

set

public GridCacheReturn<V> set(@Nullable
                     V v,
                     boolean success)

Parameters:

v - Value to set.

success - Success flag to set.

Returns:

This instance for chaining.

setIfNull

public GridCacheReturn<V> setIfNull(V v,
                           boolean success)

Parameters:

v - Value.

success - Success flag.

Returns:

This instance for chaining.

success

public GridCacheReturn<V> success(boolean success)

Parameters:

success - Success flag.

Returns:

This instance for chaining.

ggClassId

public Object ggClassId()

Implementation of this method should simply return value of GG_CLASS_ID field.

Specified by:

ggClassId in interface GridOptimizedMarshallable

Returns:

Class ID for optimized marshalling.

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

toString

public String toString()

Overrides:

toString in class Object