com.articulate.sigma

Class CCheckManager

java.lang.Object

java.util.concurrent.AbstractExecutorService

java.util.concurrent.ThreadPoolExecutor

com.articulate.sigma.CCheckManager

All Implemented Interfaces:

Executor, ExecutorService

public class CCheckManager
extends ThreadPoolExecutor

This class manages the threads that run consistency checks for the different KBs in the system.

Author:

Karen Joy Nomorosa, Rearden Commerce Inc.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CCheckManager.CCheckStatus ccheckQueue keeps track of the KBs that are currently being checked.

Nested classes/interfaces inherited from class java.util.concurrent.ThreadPoolExecutor

ThreadPoolExecutor.AbortPolicy, ThreadPoolExecutor.CallerRunsPolicy, ThreadPoolExecutor.DiscardOldestPolicy, ThreadPoolExecutor.DiscardPolicy

Constructor Summary

Constructors

Constructor and Description
CCheckManager()

Method Summary

Modifier and Type	Method and Description
protected void	afterExecute(CCheck r, Throwable t) Removes the KB from the list of kbs currently being checked, and add it to the checkedKBs list.
String	ccheckResults(String kbName) This method returns full or partial results of the consistency checks.
CCheckManager.CCheckStatus	ccheckStatus(String kbName) Returns the current status of a KB
Timestamp	lastCCheck(String kbName) Returns the timestamp of when the last consistency check was run on this KB.
CCheckManager.CCheckStatus	performConsistencyCheck(KB kb, String chosenEngine, String systemChosen, String location, String language, int timeout) Main code that performs the consistency check on the KB.

Methods inherited from class java.util.concurrent.ThreadPoolExecutor

afterExecute, allowCoreThreadTimeOut, allowsCoreThreadTimeOut, awaitTermination, beforeExecute, execute, finalize, getActiveCount, getCompletedTaskCount, getCorePoolSize, getKeepAliveTime, getLargestPoolSize, getMaximumPoolSize, getPoolSize, getQueue, getRejectedExecutionHandler, getTaskCount, getThreadFactory, isShutdown, isTerminated, isTerminating, prestartAllCoreThreads, prestartCoreThread, purge, remove, setCorePoolSize, setKeepAliveTime, setMaximumPoolSize, setRejectedExecutionHandler, setThreadFactory, shutdown, shutdownNow, terminated, toString

Methods inherited from class java.util.concurrent.AbstractExecutorService

invokeAll, invokeAll, invokeAny, invokeAny, newTaskFor, newTaskFor, submit, submit, submit

Methods inherited from class java.lang.Object

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

Constructor Detail

CCheckManager

public CCheckManager()

Method Detail

lastCCheck

public Timestamp lastCCheck(String kbName)

Returns the timestamp of when the last consistency check was run on this KB.

Parameters:

kbName - - name of the KB

Returns:

Timestamp if a consistency check has been run previously, null if it hasn't.

ccheckResults

public String ccheckResults(String kbName)

This method returns full or partial results of the consistency checks.

Parameters:

kbName - - name of the KB that we want the results of

Returns:

SimpleElement of the parsed XML file or null if there are errors or it does not exist.

ccheckStatus

public CCheckManager.CCheckStatus ccheckStatus(String kbName)

Returns the current status of a KB

Parameters:

kbName - - the name of the KB to be checked

Returns:

true if there is a worker thread currently performing consistency checks on it, and false if not

performConsistencyCheck

public CCheckManager.CCheckStatus performConsistencyCheck(KB kb,
                                                          String chosenEngine,
                                                          String systemChosen,
                                                          String location,
                                                          String language,
                                                          int timeout)

Main code that performs the consistency check on the KB.

Parameters:

kb - - KB to be checked

Returns:

the status of the check (whether it has been accepted or rejected)

afterExecute

protected void afterExecute(CCheck r,
                            Throwable t)

Removes the KB from the list of kbs currently being checked, and add it to the checkedKBs list. This method is overridden from the parent class.

Parameters:

r -

t -