com.frinika.contrib.boblang
Class CommandList

java.lang.Object
  com.frinika.contrib.boblang.CommandList

public class CommandList
extends java.lang.Object

Implements a thread safe circular buffer of commands with appropriate notify and time out facilities.

Version:

15 Nov 2002

Author:

Bob Lang

Field Summary

static int	NOTE_OFF
static int	NOTE_ON

Constructor Summary

CommandList()
Constructor to create an empty buffer

Method Summary

int[]	getCommand() Get the next command type and note from the buffer.
boolean	isCommandWaiting(long waitMsecs) Return true if a command is waiting in the command buffer
void	putCommand(int type, int note) Put a command in the buffer and then notify any waiting tasks.

Methods inherited from class java.lang.Object

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

Field Detail

NOTE_ON

public static final int NOTE_ON

See Also:

Constant Field Values

NOTE_OFF

public static final int NOTE_OFF

See Also:

Constant Field Values

Constructor Detail

CommandList

public CommandList()

Constructor to create an empty buffer

Method Detail

putCommand

public void putCommand(int type,
                       int note)

Put a command in the buffer and then notify any waiting tasks.

isCommandWaiting

public boolean isCommandWaiting(long waitMsecs)

Return true if a command is waiting in the command buffer

getCommand

public int[] getCommand()

Get the next command type and note from the buffer. It is assumed that waitForCommand has been called prior to this method so that it is known that there is data waiting to be taken