eu.reservoir.monitoring.appl.hypervisor
Class HypervisorCache

java.lang.Object
  eu.reservoir.monitoring.appl.DynamicControl
      eu.reservoir.monitoring.appl.hypervisor.HypervisorCache

All Implemented Interfaces:

java.lang.Runnable

public class HypervisorCache
extends DynamicControl

This class caches data from a hypervisor.

Constructor Summary

HypervisorCache(java.lang.String hypervisorURI)
Construct a HypervisorCache and a hypervisor URI such as "xen:///"

Method Summary

protected void	controlCleanup() Cleanup
protected void	controlEvaluate() Actually evaluate something.
protected void	controlInitialize() Initialize this hypervisor cache It connects to the hypervisor
CachedDomain	domainLookupByID(int id) Get a domain by it's id.
protected void	getDomainData(org.libvirt.Domain domain, CachedDomain cachedDomain) Get cached domain data.
int[]	listDomains() Get the list of domain ids.
static void	main(java.lang.String[] args) Main entry point.
int	numOfDomains() Get the number of domains
void	waitForCacheReady() Wait for the cache to be ready.

Methods inherited from class eu.reservoir.monitoring.appl.DynamicControl

activateControl, deactivateControl, getElapsedTime, getName, getSleepTime, isRunning, run, setSleepTime, sleep

Methods inherited from class java.lang.Object

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

Constructor Detail

HypervisorCache

public HypervisorCache(java.lang.String hypervisorURI)

Construct a HypervisorCache and a hypervisor URI such as "xen:///"

Method Detail

controlInitialize

protected void controlInitialize()

Initialize this hypervisor cache It connects to the hypervisor

Specified by:

controlInitialize in class DynamicControl

controlEvaluate

protected void controlEvaluate()

Actually evaluate something.

Specified by:

controlEvaluate in class DynamicControl

waitForCacheReady

public void waitForCacheReady()

Wait for the cache to be ready. This is after the first read of the Hypervisor info.

controlCleanup

protected void controlCleanup()

Cleanup

Specified by:

controlCleanup in class DynamicControl

getDomainData

protected void getDomainData(org.libvirt.Domain domain,
                             CachedDomain cachedDomain)
                      throws org.libvirt.LibvirtException

Get cached domain data.

Throws:

org.libvirt.LibvirtException

listDomains

public int[] listDomains()

Get the list of domain ids.

numOfDomains

public int numOfDomains()

Get the number of domains

domainLookupByID

public CachedDomain domainLookupByID(int id)

Get a domain by it's id.

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Main entry point.

Throws:

java.lang.Exception