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

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

Direct Known Subclasses:

BroadcastLoadRequestCommand, LoadRequestCommand, LoadResponseCommand, RemoveCommand, ReplicationFramePayloadCommand, SaveCommand, StaleCopyRemoveCommand, UpdateDeltaCommand

public abstract class Command<K,V>
extends java.lang.Object

Author:

Mahesh Kannan

Field Summary

protected DataStoreContext<K,V>

dsc

Constructor Summary

protected

Command(byte opcode)

Method Summary

protected abstract Command<K,V>	createNewInstance()
abstract void	execute(java.lang.String initiator)
protected CommandManager<K,V>	getCommandManager()
protected DataStoreContext<K,V>	getDataStoreContext()
byte	getOpcode()
java.lang.String	getTargetName()
void	initialize(DataStoreContext<K,V> rs)
void	prepareToExecute(ReplicationInputStream ris)
void	prepareTransmit(DataStoreContext<K,V> ctx)
protected abstract void	readCommandPayload(ReplicationInputStream ris)
protected void	setTargetName(java.lang.String val)
void	write(ReplicationOutputStream globalROS)
protected abstract void	writeCommandPayload(ReplicationOutputStream ros)

Methods inherited from class java.lang.Object

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

Field Detail

dsc

protected DataStoreContext<K,V> dsc

Constructor Detail

Command

protected Command(byte opcode)

Method Detail

initialize

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

getDataStoreContext

protected final DataStoreContext<K,V> getDataStoreContext()

getCommandManager

protected final CommandManager<K,V> getCommandManager()

getTargetName

public java.lang.String getTargetName()

getOpcode

public final byte getOpcode()

setTargetName

protected void setTargetName(java.lang.String val)

prepareTransmit

public final void prepareTransmit(DataStoreContext<K,V> ctx)
                           throws java.io.IOException

Throws:

java.io.IOException

write

public final void write(ReplicationOutputStream globalROS)
                 throws java.io.IOException

Throws:

java.io.IOException

prepareToExecute

public final void prepareToExecute(ReplicationInputStream ris)
                            throws java.io.IOException,
                                   DataStoreException

Throws:

java.io.IOException

DataStoreException

writeCommandPayload

protected abstract void writeCommandPayload(ReplicationOutputStream ros)
                                     throws java.io.IOException

Throws:

java.io.IOException

readCommandPayload

protected abstract void readCommandPayload(ReplicationInputStream ris)
                                    throws java.io.IOException

Throws:

java.io.IOException

createNewInstance

protected abstract Command<K,V> createNewInstance()

execute

public abstract void execute(java.lang.String initiator)
                      throws DataStoreException

Throws:

DataStoreException