org.crsh.shell.impl.command
Class CRaSHProcess

java.lang.Object
  org.crsh.shell.impl.command.CRaSHProcess

All Implemented Interfaces:

ShellProcess

Direct Known Subclasses:

CRaSHCommandProcess, CRaSHResponseProcess

abstract class CRaSHProcess
extends Object
implements ShellProcess

Field Summary

private boolean	cancelled .
protected CRaSHSession	crash .
protected String	request .
private Thread	thread .

Constructor Summary

protected

CRaSHProcess(CRaSHSession crash, String request)

Method Summary

void	cancel() Signals the process it should be cancelled.
(package private) abstract ShellResponse	doInvoke(ShellProcessContext context)
void	execute(ShellProcessContext processContext) Begin the process.
KeyHandler	getKeyHandler() Returns the key handler or null if the process won't handle key events.

Methods inherited from class java.lang.Object

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

Field Detail

crash

protected final CRaSHSession crash

.

request

protected final String request

.

thread

private volatile Thread thread

.

cancelled

private volatile boolean cancelled

.

Constructor Detail

CRaSHProcess

protected CRaSHProcess(CRaSHSession crash,
                       String request)

Method Detail

execute

public void execute(ShellProcessContext processContext)

Description copied from interface: ShellProcess

Begin the process. The client of this method should make no assumption whether the process is executed in a synchronous or asynchronous manner. The process will be termined when the process signals it with an invocation of the ShellProcessContext.end(ShellResponse) method.

Specified by:

execute in interface ShellProcess

Parameters:

processContext - the process context

getKeyHandler

public KeyHandler getKeyHandler()

Description copied from interface: ShellProcess

Returns the key handler or null if the process won't handle key events.

Specified by:

getKeyHandler in interface ShellProcess

Returns:

the key handler for this process

doInvoke

abstract ShellResponse doInvoke(ShellProcessContext context)
                         throws InterruptedException

Throws:

InterruptedException

cancel

public void cancel()

Description copied from interface: ShellProcess

Signals the process it should be cancelled. This method cannot be be called before the process has started, it can be called multiple times after the process has started. The cancellation of the process is asynchronous, the cancellation of the process will terminate the current context lifecycle by calling the ShellProcessContext.end(ShellResponse) method.

Specified by:

cancel in interface ShellProcess