org.apache.oodt.commons

Class Executable

java.lang.Object

org.apache.oodt.commons.Executable

Direct Known Subclasses:

ExecServerConfig

public abstract class Executable
extends Object

An executable object. Objects of this class are programs that can be executed asynchronously. Their standard output and standard error streams are shared with the parent process' standard output and error streams.

Author:

Kelly

Field Summary

Fields

Modifier and Type	Field and Description
static int	INT
protected Process	process The process backing this executable.

Constructor Summary

Constructors

Constructor and Description
Executable() Construct an executable.

Method Summary

Modifier and Type	Method and Description
void	execute() Start executing this program.
protected abstract String[]	getCommandLine() Get the command-line.
void	terminate() Terminate this process.
int	waitFor() Wait for the process to terminate.

Methods inherited from class java.lang.Object

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

Field Detail

INT

public static final int INT

See Also:

Constant Field Values

process

protected Process process

The process backing this executable.

Constructor Detail

Executable

public Executable()

Construct an executable.

Method Detail

getCommandLine

protected abstract String[] getCommandLine()

Get the command-line.

Returns:

Command-line.

execute

public void execute()

Start executing this program. If any error occurs while launching the program, this method notes a message to stderr, but otherwise takes no further action.

waitFor

public int waitFor()
            throws InterruptedException

Wait for the process to terminate.

Returns:

The exit value of the process.

Throws:

InterruptedException - If the thread waiting for the termination is interrupted.

terminate

public void terminate()

Terminate this process.