org.shoal.ha.cache.impl.command

Class Command<K,V>

java.lang.Object

org.shoal.ha.cache.impl.command.Command<K,V>

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

AcknowledgedCommand, LoadRequestCommand, LoadResponseCommand, NoOpCommand, RemoveExpiredCommand, RemoveExpiredResultCommand, ReplicationFramePayloadCommand, SimpleAckCommand, SizeRequestCommand, SizeResponseCommand, StaleCopyRemoveCommand

public abstract class Command<K,V>
extends Object
implements Serializable

Author:

Mahesh Kannan

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected DataStoreContext<K,V>	dsc
protected String	targetInstanceName

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Command(byte opcode)

Method Summary

Modifier and Type	Method and Description
protected abstract boolean	beforeTransmit()
protected static byte[]	captureState(Object obj)
abstract void	execute(String initiator)
protected CommandManager<K,V>	getCommandManager()
protected DataStoreContext<K,V>	getDataStoreContext()
K	getKey()
String	getKeyMappingInfo()
String	getName()
byte	getOpcode()
String	getTargetName()
void	initialize(DataStoreContext<K,V> rs)
protected boolean	isArtificialKey()
void	onFailure()
void	onSuccess()
void	prepareTransmit(DataStoreContext<K,V> ctx)
protected void	setKey(K k)
protected void	setTargetName(String val)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

dsc

protected transient DataStoreContext<K,V> dsc

targetInstanceName

protected transient String targetInstanceName

Constructor Detail

Command

protected Command(byte opcode)

Method Detail

initialize

public final void initialize(DataStoreContext<K,V> rs)

setKey

protected final void setKey(K k)

getKey

public final K getKey()

getDataStoreContext

protected final DataStoreContext<K,V> getDataStoreContext()

getCommandManager

protected final CommandManager<K,V> getCommandManager()

getTargetName

public String getTargetName()

getOpcode

public final byte getOpcode()

setTargetName

protected void setTargetName(String val)

prepareTransmit

public void prepareTransmit(DataStoreContext<K,V> ctx)
                     throws IOException

Throws:

IOException

captureState

protected static byte[] captureState(Object obj)
                              throws DataStoreException

Throws:

DataStoreException

getKeyMappingInfo

public String getKeyMappingInfo()

getName

public final String getName()

execute

public abstract void execute(String initiator)
                      throws DataStoreException

Throws:

DataStoreException

onSuccess

public void onSuccess()

onFailure

public void onFailure()

toString

public String toString()

Overrides:

toString in class Object

isArtificialKey

protected boolean isArtificialKey()

beforeTransmit

protected abstract boolean beforeTransmit()
                                   throws IOException

Throws:

IOException