orca.drivers
Class ActionOverlapTool

java.lang.Object
  orca.drivers.ActionOverlapTool

Direct Known Subclasses:

LocalDiskOverlapTool, MachineOverlapTool, VmmOverlapTool

public abstract class ActionOverlapTool
extends java.lang.Object

Nested Class Summary

protected class	ActionOverlapTool.ActionWrapper
protected class	ActionOverlapTool.ThreadLocalAction

Field Summary

protected LoggingTool	logger
protected ActionOverlapTool.ThreadLocalAction	myAction Action the current thread is executing.
protected java.util.Hashtable<java.lang.String,Action>	pending Map of currently executing actions for a VM to the thread processing them

Constructor Summary

ActionOverlapTool()
Creates a new instance of the tool.

Method Summary

void	actionFinish(int code, java.util.Properties out)
int	actionStart(java.lang.String actionKey, java.lang.Integer actionId) Handles an incoming action.
abstract int	handleOverlapAction(java.lang.String actionKey, Action previous, Action current)

Methods inherited from class java.lang.Object

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

Field Detail

myAction

protected ActionOverlapTool.ThreadLocalAction myAction

Action the current thread is executing.

pending

protected java.util.Hashtable<java.lang.String,Action> pending

Map of currently executing actions for a VM to the thread processing them

logger

protected LoggingTool logger

Constructor Detail

ActionOverlapTool

public ActionOverlapTool()

Creates a new instance of the tool.

Method Detail

actionStart

public int actionStart(java.lang.String actionKey,
                       java.lang.Integer actionId)

Handles an incoming action.

Parameters:

actionKey - key representing the action

Returns:

0, if the action should proceed, negative number if the action cannot proceed. If the result is negative, actionStop does not have to be called.

actionFinish

public void actionFinish(int code,
                         java.util.Properties out)

handleOverlapAction

public abstract int handleOverlapAction(java.lang.String actionKey,
                                        Action previous,
                                        Action current)