org.apache.hadoop.chukwa.rest.services.ClusterSystemMetricsHome.java Source code

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Here is the source code for org.apache.hadoop.chukwa.rest.services.ClusterSystemMetricsHome.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.hadoop.chukwa.rest.services;

import java.util.*;
import java.sql.*;
import javax.naming.InitialContext;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.chukwa.database.DatabaseConfig;
import org.apache.hadoop.chukwa.database.Macro;
import org.apache.hadoop.chukwa.util.DatabaseWriter;

import org.apache.hadoop.chukwa.rest.objects.ClusterSystemMetrics;
import org.apache.hadoop.chukwa.rest.services.RestHome;

/**
 * Home object for domain model class HadoopJvm.
 * @see org.apahe.hadoop.chukwa.rest.objects.ClusterSystemMetrics
 * @author Hibernate Tools
 */
public class ClusterSystemMetricsHome extends RestHome {
    private static String table = "[cluster_system_metrics]";
    private static final Log log = LogFactory.getLog(ClusterSystemMetricsHome.class);

    private static ClusterSystemMetrics createClusterSystemMetrics(ResultSet rs) {
        ClusterSystemMetrics obj = null;
        try {
            obj = new ClusterSystemMetrics(rs.getTimestamp("Timestamp"), rs.getInt("host"), rs.getDouble("load_15"),
                    rs.getDouble("load_5"), rs.getDouble("load_1"), rs.getDouble("task_total"),
                    rs.getDouble("task_running"), rs.getDouble("task_sleep"), rs.getDouble("task_stopped"),
                    rs.getDouble("task_zombie"), rs.getDouble("mem_total"), rs.getDouble("mem_buffers"),
                    rs.getDouble("mem_cached"), rs.getDouble("mem_used"), rs.getDouble("mem_free"),
                    rs.getDouble("eth0_rxerrs"), rs.getDouble("eth0_rxbyts"), rs.getDouble("eth0_rxpcks"),
                    rs.getDouble("eth0_rxdrops"), rs.getDouble("eth0_txerrs"), rs.getDouble("eth0_txbyts"),
                    rs.getDouble("eth0_txpcks"), rs.getDouble("eth0_txdrops"), rs.getDouble("eth1_rxerrs"),
                    rs.getDouble("eth1_rxbyts"), rs.getDouble("eth1_rxpcks"), rs.getDouble("eth1_rxdrops"),
                    rs.getDouble("eth1_txerrs"), rs.getDouble("eth1_txbyts"), rs.getDouble("eth1_txpcks"),
                    rs.getDouble("eth1_txdrops"), rs.getDouble("sda_rkbs"), rs.getDouble("sda_wkbs"),
                    rs.getDouble("sdb_rkbs"), rs.getDouble("sdb_wkbs"), rs.getDouble("sdc_rkbs"),
                    rs.getDouble("sdc_wkbs"), rs.getDouble("sdd_rkbs"), rs.getDouble("sdd_wkbs"),
                    rs.getFloat("cpu_idle_pcnt"), rs.getFloat("cpu_nice_pcnt"), rs.getFloat("cpu_system_pcnt"),
                    rs.getFloat("cpu_user_pcnt"), rs.getFloat("cpu_hirq_pcnt"), rs.getFloat("cpu_sirq_pcnt"),
                    rs.getFloat("iowait_pcnt"), rs.getFloat("mem_buffers_pcnt"), rs.getFloat("mem_used_pcnt"),
                    rs.getFloat("eth0_busy_pcnt"), rs.getFloat("eth1_busy_pcnt"), rs.getFloat("sda_busy_pcnt"),
                    rs.getFloat("sdb_busy_pcnt"), rs.getFloat("sdc_busy_pcnt"), rs.getFloat("sdd_busy_pcnt"),
                    rs.getFloat("swap_used_pcnt"));
        } catch (Exception e) {
        }
        return obj;
    }

    public static ClusterSystemMetrics find(String timestamp) {
        String cluster = getCluster();
        DatabaseWriter dbw = new DatabaseWriter(cluster);

        if (timestamp != null) {
            // get simple value
            try {
                String query = getSingleQuery(ClusterSystemMetricsHome.table, "timestamp", timestamp);
                ResultSet rs = dbw.query(query);
                if (rs.next()) {
                    ClusterSystemMetrics obj = createClusterSystemMetrics(rs);
                    return obj;
                }
            } catch (Exception e) {
                log.error("exception:" + e.toString());
            }
        } else {
            // check start time and end time
        }
        return null;
    }

    public static Collection<ClusterSystemMetrics> findBetween(String starttime, String endtime) {
        String cluster = getCluster();
        DatabaseWriter dbw = new DatabaseWriter(cluster);

        Collection<ClusterSystemMetrics> collection = new Vector<ClusterSystemMetrics>();

        try {
            String query = getTimeBetweenQuery(ClusterSystemMetricsHome.table, starttime, endtime);
            ResultSet rs = dbw.query(query);
            while (rs.next()) {
                ClusterSystemMetrics obj = createClusterSystemMetrics(rs);
                collection.add(obj);
            }
        } catch (Exception e) {
            log.error("exception:" + e.toString());
        }
        return collection;
    }
}