package org.apache.s4.comm.util;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.s4.comm.util.ConfigParser.Cluster;
import org.apache.s4.comm.util.ConfigParser.Cluster.ClusterType;
import org.apache.s4.comm.util.ConfigParser.ClusterNode;
public class ConfigUtils {
public static List<Map<String, String>> readConfig(String configFilename,
String clusterName, ClusterType clusterType, boolean isStatic) {
ConfigParser parser = new ConfigParser();
ConfigParser.Config config = parser.parse(configFilename);
// find the requested cluster
Cluster cluster = null;
for (Cluster checkCluster : config.getClusters()) {
if (checkCluster.getName().equals(clusterName)
&& checkCluster.getType().equals(clusterType)) {
cluster = checkCluster;
break;
}
}
if (cluster == null) {
throw new RuntimeException("Cluster " + clusterName + " of type "
+ clusterType + " not configured");
}
return readConfig(cluster, clusterName, clusterType, isStatic);
}
public static List<Map<String, String>> readConfig(Cluster cluster,
String clusterName, ClusterType clusterType, boolean isStatic) {
List<Map<String, String>> processSet = new ArrayList<Map<String, String>>();
for (ClusterNode node : cluster.getNodes()) {
Map<String, String> nodeInfo = new HashMap<String, String>();
if (node.getPartition() != -1) {
nodeInfo.put("partition", String.valueOf(node.getPartition()));
}
if (node.getPort() != -1) {
nodeInfo.put("port", String.valueOf(node.getPort()));
}
nodeInfo.put("cluster.type", String.valueOf(clusterType));
nodeInfo.put("cluster.name", clusterName);
if (isStatic) {
nodeInfo.put("address", node.getMachineName());
nodeInfo.put("process.host", node.getMachineName());
}
nodeInfo.put("mode", cluster.getMode());
nodeInfo.put("ID", node.getTaskId());
processSet.add(nodeInfo);
}
return processSet;
}
}