org.apache.zookeeper.server.command

Class AbstractFourLetterCommand

java.lang.Object

org.apache.zookeeper.server.command.AbstractFourLetterCommand

Direct Known Subclasses:

CnxnStatResetCommand, ConfCommand, ConsCommand, DirsCommand, DumpCommand, EnvCommand, IsroCommand, MonitorCommand, NopCommand, RuokCommand, SetTraceMaskCommand, StatCommand, StatResetCommand, TraceMaskCommand, WatchCommand

public abstract class AbstractFourLetterCommand
extends Object

Set of threads for command ports. All the 4 letter commands are run via a thread. Each class maps to a correspoding 4 letter command. CommandThread is the abstract class from which all the others inherit.

Field Summary

Fields

Modifier and Type	Field and Description
protected ServerCnxnFactory	factory
protected PrintWriter	pw
protected ServerCnxn	serverCnxn
static String	ZK_NOT_SERVING
protected ZooKeeperServer	zkServer

Constructor Summary

Constructors

Constructor and Description
AbstractFourLetterCommand(PrintWriter pw, ServerCnxn serverCnxn)

Method Summary

Modifier and Type	Method and Description
abstract void	commandRun()
void	run()
void	setFactory(ServerCnxnFactory factory)
void	setZkServer(ZooKeeperServer zkServer)
void	start()

Methods inherited from class java.lang.Object

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

Field Detail

ZK_NOT_SERVING

public static final String ZK_NOT_SERVING

See Also:

Constant Field Values

pw

protected PrintWriter pw

serverCnxn

protected ServerCnxn serverCnxn

zkServer

protected ZooKeeperServer zkServer

factory

protected ServerCnxnFactory factory

Constructor Detail

AbstractFourLetterCommand

public AbstractFourLetterCommand(PrintWriter pw,
                                 ServerCnxn serverCnxn)

Method Detail

start

public void start()

run

public void run()

setZkServer

public void setZkServer(ZooKeeperServer zkServer)

setFactory

public void setFactory(ServerCnxnFactory factory)

commandRun

public abstract void commandRun()
                         throws IOException

Throws:

IOException