org.eclipse.dstore.core.server
Class ServerCommandHandler

java.lang.Object
  java.lang.Thread
      org.eclipse.dstore.core.model.Handler
          org.eclipse.dstore.core.model.CommandHandler
              org.eclipse.dstore.core.server.ServerCommandHandler

All Implemented Interfaces:

Runnable

public class ServerCommandHandler

extends CommandHandler

The ServerCommandHandler is reponsible for maintaining a queue of commands and periodically routing commands from the queue to the appropriate miners.

Field Summary

Fields inherited from class org.eclipse.dstore.core.model.CommandHandler

_classesToSend, _commands

Fields inherited from class org.eclipse.dstore.core.model.Handler

_dataStore, _keepRunning, _waitIncrement

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

ServerCommandHandler(ArrayList loaders)
Constructor

Method Summary

void	finish() Called when the DataStore session is finished or when there is an unexpected error.
void	finishMiner(String name) Terminates a specified miner
Miner	getMiner(String name) Returns the specified miner
ArrayList	getMiners() Returns the list of loaded miners
Miner	loadMiner(String minerId)
void	loadMiners() Loads the miners
void	requestClass(String className) Does not apply to server.
void	sendAppendFile(String fileName, byte[] bytes, int size, boolean binary) Appends bytes sent from the client to a file
void	sendAppendFile(String fileName, byte[] bytes, int size, boolean binary, String byteStreamHandlerId) Appends bytes sent from the client to a file
void	sendClass(String className) Implemented to provide the means by which classes are requested and sent across the comm channel.
void	sendClass(String className, String classByteStreamHandlerId) Implemented to provide the means by which classes are requested and sent across the comm channel.
void	sendClassInstance(IRemoteClassInstance runnable, String classByteStreamHandlerId) Runs the specified class on the remote system
void	sendCommands() Called periodically to route the current queue of commands to the appropriate miners
void	sendFile(String fileName, byte[] bytes, int size, boolean binary) Sets the contents of a file with bytes sent from the client
void	sendFile(String fileName, byte[] bytes, int size, boolean binary, String byteStreamHandlerId) Sets the contents of a file with bytes sent from the client
void	sendFile(String fileName, File file) Set the contents of a file with the specified file
void	sendKeepAliveConfirmation() Does not apply to server.
void	sendKeepAliveRequest() Does not apply to server.
void	setDataStore(DataStore dataStore) Sets the associated DataStore

Methods inherited from class org.eclipse.dstore.core.model.CommandHandler

addCommand, cancelAllCommands, command, command, command, command, command, getCommandGenerator, getDataStore, handle, waitForInput

Methods inherited from class org.eclipse.dstore.core.model.Handler

getWaitTime, isFinished, notifyInput, run, setWaitTime

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Constructor Detail

ServerCommandHandler

public ServerCommandHandler(ArrayList loaders)

Constructor

Parameters:

loaders - a list of ExternalLoaders used for loading miners

Method Detail

setDataStore

public void setDataStore(DataStore dataStore)

Sets the associated DataStore

Overrides:

setDataStore in class CommandHandler

Parameters:

dataStore - the associated DataStore

loadMiners

public void loadMiners()

Loads the miners

loadMiner

public Miner loadMiner(String minerId)

getMiners

public ArrayList getMiners()

Returns the list of loaded miners

Returns:

the list of miners

getMiner

public Miner getMiner(String name)

Returns the specified miner

Parameters:

name - the qualified classname of the miner to return

Returns:

the miner

finishMiner

public void finishMiner(String name)

Terminates a specified miner

Parameters:

name - the qualified classname of the miner to terminate

finish

public void finish()

Called when the DataStore session is finished or when there is an unexpected error.

Overrides:

finish in class Handler

sendCommands

public void sendCommands()

Called periodically to route the current queue of commands to the appropriate miners

Specified by:

sendCommands in class CommandHandler

sendFile

public void sendFile(String fileName,
                     File file)

Set the contents of a file with the specified file

Parameters:

fileName - the name of the target file

file - the source file

sendFile

public void sendFile(String fileName,
                     byte[] bytes,
                     int size,
                     boolean binary)

Sets the contents of a file with bytes sent from the client

Specified by:

sendFile in class CommandHandler

Parameters:

fileName - the name of the file to append to

bytes - the bytes of a file to insert

size - the number of bytes to insert

binary - indicates whether to insert the bytes as binary or unicode

sendFile

public void sendFile(String fileName,
                     byte[] bytes,
                     int size,
                     boolean binary,
                     String byteStreamHandlerId)

Sets the contents of a file with bytes sent from the client

Specified by:

sendFile in class CommandHandler

Parameters:

fileName - the name of the file to append to

bytes - the bytes of a file to insert

size - the number of bytes to insert

binary - indicates whether to insert the bytes as binary or unicode

byteStreamHandlerId - indicates which byte stream handler should receive the bytes

sendAppendFile

public void sendAppendFile(String fileName,
                           byte[] bytes,
                           int size,
                           boolean binary)

Appends bytes sent from the client to a file

Specified by:

sendAppendFile in class CommandHandler

Parameters:

fileName - the name of the file to append to

bytes - the bytes of a file to append

size - the number of bytes to append

binary - indicates whether to append the bytes as binary or unicode

sendAppendFile

public void sendAppendFile(String fileName,
                           byte[] bytes,
                           int size,
                           boolean binary,
                           String byteStreamHandlerId)

Appends bytes sent from the client to a file

Specified by:

sendAppendFile in class CommandHandler

Parameters:

fileName - the name of the file to append to

bytes - the bytes of a file to append

size - the number of bytes to append

binary - indicates whether to append the bytes as binary or unicode

byteStreamHandlerId - indicates which byte stream handler should receive the bytes

sendClass

public void sendClass(String className)

Implemented to provide the means by which classes are requested and sent across the comm channel.

Specified by:

sendClass in class CommandHandler

Parameters:

className - the name of the class to request

sendClass

public void sendClass(String className,
                      String classByteStreamHandlerId)

Implemented to provide the means by which classes are requested and sent across the comm channel.

Specified by:

sendClass in class CommandHandler

Parameters:

className - the name of the class to request

classByteStreamHandlerId - indicates which class byte stream handler to receive the class with

sendClassInstance

public void sendClassInstance(IRemoteClassInstance runnable,
                              String classByteStreamHandlerId)

Description copied from class: CommandHandler

Runs the specified class on the remote system

Specified by:

sendClassInstance in class CommandHandler

requestClass

public void requestClass(String className)

Does not apply to server. Use ServerUpdateHandler.requestClass().

Specified by:

requestClass in class CommandHandler

Parameters:

className - the name of the class to request

sendKeepAliveConfirmation

public void sendKeepAliveConfirmation()

Does not apply to server. Use ServerUpdateHandler.sendKeepAliveConfirmation().

Specified by:

sendKeepAliveConfirmation in class CommandHandler

sendKeepAliveRequest

public void sendKeepAliveRequest()

Does not apply to server. Use ServerUpdateHandler.sendKeepAliveRequest().

Specified by:

sendKeepAliveRequest in class CommandHandler