NodeHelper.java

package org.openstack.atlas.adapter.helpers;

import org.openstack.atlas.service.domain.entities.Node;
import org.openstack.atlas.service.domain.entities.NodeCondition;
import org.openstack.atlas.util.converters.StringConverter;

import java.util.*;

public class NodeHelper {

    public static String[][] buildNodeInfo(String ipAddress, Integer port) {
        String[][] node = new String[1][1];
        node[0][0] = IpHelper.createZeusIpString(ipAddress, port);
        return node;
    }

    public static String[][] getIpAddressesFromNodes(Collection<Node> nodes) {
        final String[][] ipAddressArray = new String[1][nodes.size()];
        int i = 0;
        for (Node node : nodes) {
            ipAddressArray[0][i] = IpHelper.createZeusIpString(node.getIpAddress(), node.getPort());
            i++;
        }
        return ipAddressArray;
    }

    public static Set<String> getNodeIpSet(Collection<Node> nodes) {
        Set<String> nodeIps = new HashSet<String>();
        for (Node node : nodes) {
            nodeIps.add(node.getIpAddress());
        }
        return nodeIps;
    }

    public static Set<String> getNodeStrValue(Collection<Node> nodes) {

        Set<String> nodeVals = new HashSet<String>();
        for (Node node : nodes) {
            nodeVals.add(node.getIpAddress() + ":" + Integer.toString(node.getPort()));
        }
        return nodeVals;
    }

    public static List<Node> getNodesWithCondition(Collection<Node> nodes, NodeCondition nodeCondition) {
        List<Node> nodesWithCondition = new ArrayList<Node>();
        for (Node node : nodes) {
            if (node.getCondition().equals(nodeCondition)) {
                nodesWithCondition.add(node);
            }
        }
        return nodesWithCondition;
    }

    public static List<Integer> getNodeIds(Collection<Node> nodes) {
        List<Integer> nodeIds = new ArrayList<Integer>();
        for (Node node : nodes) {
            nodeIds.add(node.getId());
        }
        Collections.sort(nodeIds);
        return nodeIds;
    }

    public static String getNodeIdsStr(Collection<Node> nodes) {
        List<Integer> ids = getNodeIds(nodes);
        return StringConverter.integersAsString(ids);
    }


}