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package org.openslx.runvirt.plugin.qemu.configuration;
import org.openslx.libvirt.domain.Domain;
import org.openslx.libvirt.domain.Domain.CpuCheck;
import org.openslx.libvirt.domain.Domain.CpuMode;
import org.openslx.runvirt.plugin.qemu.cmdln.CommandLineArgs;
import org.openslx.virtualization.configuration.transformation.TransformationException;
import org.openslx.virtualization.configuration.transformation.TransformationGeneric;
/**
* Generic CPU transformation for Libvirt/QEMU virtualization configurations.
*
* @author Manuel Bentele
* @version 1.0
*/
public class TransformationGenericCpu extends TransformationGeneric<Domain, CommandLineArgs>
{
/**
* Name of the configuration transformation.
*/
private static final String NAME = "CPU [number of cores, mode, ...]";
/**
* Creates a new generic CPU transformation for Libvirt/QEMU virtualization configurations.
*/
public TransformationGenericCpu()
{
super( TransformationGenericCpu.NAME );
}
/**
* Validates a virtualization configuration and input arguments for this transformation.
*
* @param config virtualization configuration for the validation.
* @param args input arguments for the validation.
* @throws TransformationException validation has failed.
*/
private void validateInputs( Domain config, CommandLineArgs args ) throws TransformationException
{
if ( config == null || args == null ) {
throw new TransformationException( "Virtualization configuration or input arguments are missing!" );
} else if ( args.getVmNumCpus() < 1 ) {
throw new TransformationException( "Invalid number of CPUs specified! Expected a number n > 0!" );
}
}
@Override
public void transform( Domain config, CommandLineArgs args ) throws TransformationException
{
// validate configuration and input arguments
this.validateInputs( config, args );
config.setVCpu( args.getVmNumCpus() );
config.setCpuMode( CpuMode.HOST_PASSTHROUGH );
config.setCpuCheck( CpuCheck.PARTIAL );
}
}
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