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/*
 * LBCluster.java
 *
 * Created on June 21, 2004, 4:53 PM
 */

package com.sun.enterprise.tools.upgrade.cluster;
/**
 * This class represents a cluster element in loadbalancer
 *
 * @author  prakash
 */
import java.util.*;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class LBCluster {
    
    private List instances;
    private List webModules;
    private LBHealthChecker healthChecker;
    /** Creates a new instance of LBCluster */
    public LBCluster(Element clusterElement) {
        instances = new ArrayList();
        webModules = new ArrayList();
        NodeList inEles = clusterElement.getElementsByTagName("instance");
        for(int lh =0; lh < inEles.getLength(); lh++){
            instances.add(new LBInstance((Element)inEles.item(lh)));
        }
        NodeList webEles = clusterElement.getElementsByTagName("web-module");
        for(int ih =0; ih < webEles.getLength(); ih++){
            webModules.add(new LBWebModule((Element)webEles.item(ih)));
        }
        NodeList helEles = clusterElement.getElementsByTagName("health-checker");
        for(int ih =0; ih < helEles.getLength(); ih++){
            // There should either zero or one health-checker.
            healthChecker = new LBHealthChecker((Element)helEles.item(ih));
        }
    }
    
    public LBHealthChecker getHealthChecker() {
        return healthChecker;
    }
    public java.util.List getInstances() {
        return instances;
    }
    public java.util.List getWebModules() {
        return webModules;
    }    
}
