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package org.openslx.libvirt.capabilities.cpu;
import java.util.ArrayList;
import java.util.List;
import org.openslx.libvirt.xml.LibvirtXmlNode;
import org.w3c.dom.NodeList;
/**
* Implementation of the host CPU capabilities as part of the Libvirt capabilities XML document.
*
* @author Manuel Bentele
* @version 1.0
*/
public class Cpu extends LibvirtXmlNode
{
/**
* Creates an empty host CPU capabilities instance.
*/
public Cpu()
{
super();
}
/**
* Creates a host CPU capabilities instance representing an existing Libvirt XML host CPU
* capabilities element.
*
* @param xmlNode existing Libvirt XML host CPU capabilities element.
*/
public Cpu( LibvirtXmlNode xmlNode )
{
super( xmlNode );
}
/**
* Returns the architecture name of the host CPU.
*
* @return architecture name of the host CPU.
*/
public String getArch()
{
return this.getXmlElementValue( "arch" );
}
/**
* Returns the model name of the host CPU.
*
* @return model name of the host CPU.
*/
public String getModel()
{
return this.getXmlElementValue( "model" );
}
/**
* Returns the vendor name of the host CPU.
*
* @return vendor name of the host CPU.
*/
public String getVendor()
{
return this.getXmlElementValue( "vendor" );
}
/**
* Returns the number of sockets of the host CPU.
*
* @return number of sockets of the host CPU.
*/
public int getTopologySockets()
{
final String numSockets = this.getXmlElementAttributeValue( "topology", "sockets" );
return Integer.parseInt( numSockets );
}
/**
* Returns the number of dies of the host CPU.
*
* @return number of dies of the host CPU.
*/
public int getTopologyDies()
{
final String numDies = this.getXmlElementAttributeValue( "topology", "dies" );
return Integer.parseInt( numDies );
}
/**
* Returns the number of cores of the host CPU.
*
* @return number of cores of the host CPU.
*/
public int getTopologyCores()
{
final String numCores = this.getXmlElementAttributeValue( "topology", "cores" );
return Integer.parseInt( numCores );
}
/**
* Returns the number of threads of the host CPU.
*
* @return number of threads of the host CPU.
*/
public int getTopologyThreads()
{
final String numThreads = this.getXmlElementAttributeValue( "topology", "threads" );
return Integer.parseInt( numThreads );
}
/**
* Returns the supported features of the host CPU.
*
* @return supported features of the host CPU.
*/
public List<Feature> getFeatures()
{
final List<Feature> featureList = new ArrayList<Feature>();
final NodeList featureNodes = this.getXmlNodes( "feature" );
for ( int i = 0; i < featureNodes.getLength(); i++ ) {
final LibvirtXmlNode featureNode = new LibvirtXmlNode( this.getXmlDocument(), featureNodes.item( i ) );
final Feature feature = Feature.newInstance( featureNode );
if ( feature != null ) {
featureList.add( feature );
}
}
return featureList;
}
/**
* Returns the supported memory pages of the host CPU.
*
* @return supported memory pages of the host CPU.
*/
public List<Pages> getPages()
{
final List<Pages> pagesList = new ArrayList<Pages>();
final NodeList pagesNodes = this.getXmlNodes( "pages" );
for ( int i = 0; i < pagesNodes.getLength(); i++ ) {
final LibvirtXmlNode pagesNode = new LibvirtXmlNode( this.getXmlDocument(), pagesNodes.item( i ) );
final Pages pages = Pages.newInstance( pagesNode );
if ( pages != null ) {
pagesList.add( pages );
}
}
return pagesList;
}
/**
* Creates a host CPU capabilities instance representing an existing Libvirt XML host CPU
* capabilities element.
*
* @param xmlNode existing Libvirt XML host CPU capabilities element.
* @return host CPU capabilities instance.
*/
public static Cpu newInstance( LibvirtXmlNode xmlNode )
{
return new Cpu( xmlNode );
}
}
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