PowerContainerVmAllocationPolicyMigrationStaticThreshold.java

package org.cloudbus.cloudsim.container.resourceAllocatorMigrationEnabled;
import org.cloudbus.cloudsim.container.core.*;
import org.cloudbus.cloudsim.container.vmSelectionPolicies.PowerContainerVmSelectionPolicy;

import java.util.List;

/**
 * Created by sareh on 30/07/15.
 */
public class PowerContainerVmAllocationPolicyMigrationStaticThreshold extends PowerContainerVmAllocationPolicyMigrationAbstract {

    /** The utilization threshold. */
    private double utilizationThreshold = 0.9;

    /**
     * Instantiates a new power vm allocation policy migration mad.
     *
     * @param hostList the host list
     * @param vmSelectionPolicy the vm selection policy
     * @param utilizationThreshold the utilization threshold
     */
    public PowerContainerVmAllocationPolicyMigrationStaticThreshold(
            List<? extends ContainerHost> hostList,
            PowerContainerVmSelectionPolicy vmSelectionPolicy,
            double utilizationThreshold) {
        super(hostList, vmSelectionPolicy);
        setUtilizationThreshold(utilizationThreshold);
    }

    /**
     * Checks if is host over utilized.
     *
     * @param host the _host
     * @return true, if is host over utilized
     */
    @Override
    protected boolean isHostOverUtilized(PowerContainerHost host) {
        addHistoryEntry(host, getUtilizationThreshold());
        double totalRequestedMips = 0;
        for (ContainerVm vm : host.getVmList()) {
            totalRequestedMips += vm.getCurrentRequestedTotalMips();
        }
        double utilization = totalRequestedMips / host.getTotalMips();
        return utilization > getUtilizationThreshold();
    }

    @Override
    protected boolean isHostUnderUtilized(PowerContainerHost host) {
        return false;
    }

    /**
     * Sets the utilization threshold.
     *
     * @param utilizationThreshold the new utilization threshold
     */
    protected void setUtilizationThreshold(double utilizationThreshold) {
        this.utilizationThreshold = utilizationThreshold;
    }

    /**
     * Gets the utilization threshold.
     *
     * @return the utilization threshold
     */
    protected double getUtilizationThreshold() {
        return utilizationThreshold;
    }

    @Override
    public void setDatacenter(ContainerDatacenter datacenter) {

    }
}