FirstFitRoutingAllocator.java

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package com.cloud.agent.manager.allocator.impl;

import java.util.ArrayList;
import java.util.List;


import org.apache.log4j.NDC;

import com.cloud.deploy.DeploymentPlan;
import com.cloud.deploy.DeploymentPlanner.ExcludeList;
import com.cloud.host.Host;
import com.cloud.host.Host.Type;
import com.cloud.vm.VirtualMachineProfile;

public class FirstFitRoutingAllocator extends FirstFitAllocator {
    @Override
    public List<Host> allocateTo(VirtualMachineProfile vmProfile, DeploymentPlan plan, Type type, ExcludeList avoid, int returnUpTo) {
        try {
            NDC.push("FirstFitRoutingAllocator");
            if (type != Host.Type.Routing) {
                // FirstFitRoutingAllocator is to find space on routing capable hosts only
                return new ArrayList<Host>();
            }
            //all hosts should be of type routing anyway.
            return super.allocateTo(vmProfile, plan, type, avoid, returnUpTo);
        } finally {
            NDC.pop();
        }
    }
}