com.gemstone.gemfire.cache.operations

Class KeyOperationContext

java.lang.Object

com.gemstone.gemfire.cache.operations.OperationContext

com.gemstone.gemfire.cache.operations.KeyOperationContext

Direct Known Subclasses:

DestroyOperationContext, InvalidateOperationContext, KeyValueOperationContext

public abstract class KeyOperationContext
extends OperationContext

Encapsulates a region operation that requires only a key object for the pre-operation case. The operations this class encapsulates are OperationContext.OperationCode.DESTROY and OperationContext.OperationCode.CONTAINS_KEY.

Since:

5.5

Nested Class Summary

Nested classes/interfaces inherited from class com.gemstone.gemfire.cache.operations.OperationContext

OperationContext.OperationCode

Constructor Summary

Constructors

Constructor and Description
KeyOperationContext(Object key) Constructor for the operation.
KeyOperationContext(Object key, boolean postOperation) Constructor for the operation.

Method Summary

Methods

Modifier and Type	Method and Description
Object	getCallbackArg() Get the callback argument object for this operation.
Object	getKey() Get the key object for this operation.
abstract OperationContext.OperationCode	getOperationCode() Return the operation associated with the OperationContext object.
boolean	isPostOperation() True if the context is for post-operation.
void	setCallbackArg(Object callbackArg) Set the callback argument object for this operation.

Methods inherited from class com.gemstone.gemfire.cache.operations.OperationContext

isClientUpdate, isClientUpdate

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyOperationContext

public KeyOperationContext(Object key)

Constructor for the operation.

Parameters:

key - the key for this operation

KeyOperationContext

public KeyOperationContext(Object key,
                   boolean postOperation)

Constructor for the operation.

Parameters:

key - the key for this operation

postOperation - true to set the post-operation flag

Method Detail

getOperationCode

public abstract OperationContext.OperationCode getOperationCode()

Return the operation associated with the OperationContext object.

Specified by:

getOperationCode in class OperationContext

Returns:

The OperationCode of this operation. This is one of OperationContext.OperationCode.DESTROY or OperationContext.OperationCode.CONTAINS_KEY for KeyOperationContext, and one of OperationContext.OperationCode.GET or OperationContext.OperationCode.PUT for KeyValueOperationContext.

isPostOperation

public boolean isPostOperation()

True if the context is for post-operation.

Specified by:

isPostOperation in class OperationContext

getKey

public Object getKey()

Get the key object for this operation.

Returns:

the key object for this operation.

getCallbackArg

public Object getCallbackArg()

Get the callback argument object for this operation.

Returns:

the callback argument object for this operation.

setCallbackArg

public void setCallbackArg(Object callbackArg)

Set the callback argument object for this operation.

Parameters:

callbackArg - the callback argument object for this operation.