Node2RackAssigner.java

/*
 * Copyright 2015 Alexey Plotnik
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.stem.policies;

import org.stem.domain.Cluster;
import org.stem.domain.topology.Topology;

public class Node2RackAssigner implements AutoPlacementPolicy {

    private String datacenter;
    private Cluster cluster;

    public Node2RackAssigner(String datacenter) {
        this.datacenter = datacenter;
    }

    @Override
    public void init(Cluster cluster) {

        this.cluster = cluster;
    }

    @Override
    public String getDatacenterNode(Topology.StorageNode node) {
        return datacenter;
    }

    @Override
    public String getRackForNode(Topology.StorageNode node) {
        return "RACK-" + node.getId();
    }
}