verinec.importer.analysis
Class StartLookUpHost

java.lang.Object
  verinec.importer.analysis.StartLookUpHost

All Implemented Interfaces:

IOperation

public class StartLookUpHost
extends Object
implements IOperation

This class manages the lookup of the host names. To do this, a threadpool form java 1.5 is used.

Author:

martial.seifriz at unifr.ch

Nested Class Summary

class

StartLookUpHost.HostNameLookUpThread A thread that populates a host name in a host renderer.

Field Summary

private boolean	abort
private AnalysisThread	analyser The AnalysisThread, which owns the StartLookUpHost object
private java.util.concurrent.ScheduledThreadPoolExecutor	my_executor The executor of the threadpool

Constructor Summary

StartLookUpHost(int paralleLoockUps, AnalysisThread analyser)
This constuructor just initializes the executor for the threadpool.

Method Summary

void	abortOperation() Abort the lookups as soon as possible.
int	getFinishedTasks() Get the number of looked up hosts.
int	getQueuedTasks() Get the number of the queued host to look up.
boolean	isFinished() Find out whether the lookup is finished.
void	lookUpHostName(HostCommRenderer host) Look up the name of a host.
private void	updateState() Update the actual state of the queued and finished lookups.

Methods inherited from class java.lang.Object

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

Field Detail

my_executor

private java.util.concurrent.ScheduledThreadPoolExecutor my_executor

The executor of the threadpool

analyser

private AnalysisThread analyser

The AnalysisThread, which owns the StartLookUpHost object

abort

private boolean abort

Constructor Detail

StartLookUpHost

public StartLookUpHost(int paralleLoockUps,
                       AnalysisThread analyser)

This constuructor just initializes the executor for the threadpool.

Parameters:

paralleLoockUps - The number of parallel Lookups

analyser - The AnalysisThread, which owns the StartLookUpHost object

Method Detail

abortOperation

public void abortOperation()

Abort the lookups as soon as possible.

Specified by:

abortOperation in interface IOperation

lookUpHostName

public void lookUpHostName(HostCommRenderer host)

Look up the name of a host.

Parameters:

host - The host to look up.

getFinishedTasks

public int getFinishedTasks()

Get the number of looked up hosts.

Returns:

Only the number of hosts, which were looked up.

getQueuedTasks

public int getQueuedTasks()

Get the number of the queued host to look up.

Returns:

Only the number of the hosts, which are queued.

isFinished

public boolean isFinished()

Find out whether the lookup is finished.

Returns:

True if aborted or no more queued tasks.

updateState

private void updateState()

Update the actual state of the queued and finished lookups.