kernel
Class AbstractProcess

java.lang.Object
  java.lang.Thread
      kernel.AbstractProcess

All Implemented Interfaces:

java.lang.Runnable, IProcess

Direct Known Subclasses:

cat, cd, date, echo, exit, grep, kill, login, ls, man, ps, pwd, shell, shutdown

public abstract class AbstractProcess
extends java.lang.Thread
implements IProcess

Instance of process

Since:

5.11.2007

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

AbstractProcess()
Constructor without any parameters for ClassLoader

Method Summary

void	enableStdIn()
boolean	equals(java.lang.Object o)
void	exec() Method for process execution
java.util.List<java.lang.String>	getArgs()
java.lang.String	getCommand()
java.lang.String	getCurrentPath()
java.io.OutputStream	getErrOut()
AbstractProcess	getFirstChild()
int	getID()
java.io.InputStream	getIn()
Kernel	getKernel()
AbstractProcess	getNext()
java.io.OutputStream	getOut()
AbstractProcess	getParent()
java.lang.String	getParentCurrentPath()
AbstractProcess	getParentShell()
AbstractProcess	getPrevious()
Kernel	getServices()
void	init(Command command, AbstractProcess parent, java.io.InputStream in, java.io.OutputStream out, java.io.OutputStream err, Kernel services) Construct process
void	init(Command command, java.io.InputStream in, java.io.OutputStream out, java.io.OutputStream err, Kernel services) Construct process
void	kill() Kill process and all children
void	printError(java.lang.String text)
void	run() thread run of process
void	setCurrentPath(java.lang.String currentPath)
void	setErrOut(java.io.OutputStream err)
void	setFirstChild(AbstractProcess process) set child process
void	setIn(java.io.InputStream in)
void	setNext(AbstractProcess next)
void	setOut(java.io.OutputStream out)
void	setParentCurrentPath(java.lang.String currentPath)
void	setPrevious(AbstractProcess previous)
java.lang.String	toString()

Methods inherited from class java.lang.Thread

activeCount, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, checkAccess, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, yield

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface kernel.IProcess

getHelp, realization

Constructor Detail

AbstractProcess

public AbstractProcess()

Constructor without any parameters for ClassLoader

Method Detail

enableStdIn

public void enableStdIn()

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

exec

public void exec()

Method for process execution

getArgs

public java.util.List<java.lang.String> getArgs()

Returns:

list of command line arguments

getCommand

public java.lang.String getCommand()

Returns:

name of process

getCurrentPath

public java.lang.String getCurrentPath()

getErrOut

public java.io.OutputStream getErrOut()

Returns:

error output stream

getFirstChild

public AbstractProcess getFirstChild()

Returns:

first child process

getID

public int getID()

Returns:

id of process

getIn

public java.io.InputStream getIn()

Returns:

input stream

getKernel

public Kernel getKernel()

Returns:

instance of interface which contains methods for comunication with kernel

getNext

public AbstractProcess getNext()

Returns:

next process in pipe

getOut

public java.io.OutputStream getOut()

Returns:

output stream

getParent

public AbstractProcess getParent()

Returns:

parent process

getParentCurrentPath

public java.lang.String getParentCurrentPath()

getParentShell

public AbstractProcess getParentShell()

getPrevious

public AbstractProcess getPrevious()

Returns:

previous process in pipe

getServices

public Kernel getServices()

init

public void init(Command command,
                 AbstractProcess parent,
                 java.io.InputStream in,
                 java.io.OutputStream out,
                 java.io.OutputStream err,
                 Kernel services)

Construct process

Parameters:

command - command name

parent - parent process

in - input stream

out - output stream

err - error stream

services - kernel services

init

public void init(Command command,
                 java.io.InputStream in,
                 java.io.OutputStream out,
                 java.io.OutputStream err,
                 Kernel services)

Construct process

Parameters:

command - command name

in - input stream

out - output stream

err - error stream

services - kernel services

kill

public void kill()

Kill process and all children

printError

public void printError(java.lang.String text)

run

public void run()

thread run of process

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread

setCurrentPath

public void setCurrentPath(java.lang.String currentPath)

setErrOut

public void setErrOut(java.io.OutputStream err)

setFirstChild

public void setFirstChild(AbstractProcess process)

set child process

setIn

public void setIn(java.io.InputStream in)

setNext

public void setNext(AbstractProcess next)

Parameters:

next - next process in pipe

setOut

public void setOut(java.io.OutputStream out)

setParentCurrentPath

public void setParentCurrentPath(java.lang.String currentPath)

setPrevious

public void setPrevious(AbstractProcess previous)

Parameters:

previous - previous process in pipe

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Thread