webservices/compbio/stat/collector/StatDB.java

   1 package compbio.stat.collector;\r
   2 \r
   3 import java.sql.Connection;\r
   4 import java.sql.DriverManager;\r
   5 import java.sql.PreparedStatement;\r
   6 import java.sql.ResultSet;\r
   7 import java.sql.SQLException;\r
   8 import java.sql.Statement;\r
   9 import java.sql.Timestamp;\r
  10 import java.util.ArrayList;\r
  11 import java.util.Date;\r
  12 import java.util.List;\r
  13 import java.util.Set;\r
  14 \r
  15 import org.apache.log4j.Logger;\r
  16 \r
  17 import compbio.engine.conf.PropertyHelperManager;\r
  18 import compbio.util.Util;\r
  19 import compbio.ws.client.Services;\r
  20 \r
  21 /**\r
  22  * The database must be stored in the application root directory and called\r
  23  * "ExecutionStatistic"\r
  24  * \r
  25  * @author pvtroshin\r
  26  * \r
  27  */\r
  28 public class StatDB {\r
  29 \r
  30         private static final String driver = "org.apache.derby.jdbc.EmbeddedDriver";\r
  31         private static final String protocol = "jdbc:derby:";\r
  32         private static final String statDBName = "ExecutionStatistic";\r
  33 \r
  34         private static final Logger log = Logger.getLogger(StatDB.class);\r
  35 \r
  36         static Connection conn;\r
  37 \r
  38         private synchronized static Connection getDBConnection()\r
  39                         throws SQLException {\r
  40 \r
  41                 if (conn != null && !conn.isClosed()) {\r
  42                         return conn;\r
  43                 } else {\r
  44                         String dbpath = PropertyHelperManager.getLocalPath();\r
  45                         log.info("Looking for JABAWS access statistics database at: "\r
  46                                         + dbpath);\r
  47                         System.setProperty("derby.system.home", dbpath);\r
  48                         conn = DriverManager.getConnection(protocol + statDBName\r
  49                                         + ";create=false");\r
  50 \r
  51                         conn.setAutoCommit(true);\r
  52                 }\r
  53                 return conn;\r
  54         }\r
  55 \r
  56         public StatDB() throws SQLException {\r
  57                 this.conn = getDBConnection();\r
  58         }\r
  59 \r
  60         /**\r
  61          * Connect to test database\r
  62          * \r
  63          * @param ignored\r
  64          * @throws SQLException\r
  65          */\r
  66         StatDB(boolean ignored) throws SQLException {\r
  67                 this.conn = getTestDBConnection();\r
  68         }\r
  69 \r
  70         private static Connection getTestDBConnection() throws SQLException {\r
  71                 System.setProperty("derby.system.home", "testsrc/testdata");\r
  72                 Connection conn = DriverManager.getConnection(protocol + statDBName\r
  73                                 + ";create=false");\r
  74                 conn.setAutoCommit(true);\r
  75                 return conn;\r
  76         }\r
  77 \r
  78         // ServiceName,jobname,start,finish,inputSize,resultSize,isCancelled,isCollected\r
  79         /**\r
  80          * \r
  81          * rs.getBoolean(i) will return true for any non-zero value and false for 0\r
  82          * on SMALLINT data column.\r
  83          * \r
  84          * @throws SQLException\r
  85          */\r
  86         private void createStatTable() throws SQLException {\r
  87 \r
  88                 /*\r
  89                  * Creating a statement object that we can use for running various SQL\r
  90                  * statements commands against the database.\r
  91                  */\r
  92                 Statement s = conn.createStatement();\r
  93                 String create = "create table exec_stat("\r
  94                                 + "number INT GENERATED ALWAYS AS IDENTITY,"\r
  95                                 + "service_name VARCHAR(15) NOT NULL, "\r
  96                                 + "cluster_job_id VARCHAR(30), "\r
  97                                 + "job_id VARCHAR(35) NOT NULL PRIMARY KEY, "\r
  98                                 + "start TIMESTAMP," + "finish TIMESTAMP,"\r
  99                                 + "inputsize BIGINT," + "resultsize BIGINT,"\r
 100                                 + "isCancelled SMALLINT NOT NULL,"\r
 101                                 + "isCollected SMALLINT NOT NULL, "\r
 102                                 + "isClusterJob SMALLINT NOT NULL)";\r
 103                 // We create a table...\r
 104                 System.out.println(create);\r
 105                 s.execute(create);\r
 106                 s.close();\r
 107                 conn.close();\r
 108         }\r
 109 \r
 110         void insertData(Set<JobStat> jobstatus) throws SQLException {\r
 111                 System.out.println("Inserting " + jobstatus.size());\r
 112 \r
 113                 conn.setAutoCommit(false);\r
 114                 String insert = "insert into exec_stat (service_name, cluster_job_id, job_id, start, finish, "\r
 115                                 + "inputsize, resultsize, isCancelled, isCollected, isClusterJob) "\r
 116                                 + "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";\r
 117                 PreparedStatement pstm = conn.prepareStatement(insert);\r
 118                 for (JobStat js : jobstatus) {\r
 119                         // Has to present\r
 120                         pstm.setString(1, js.webService.toString());\r
 121 \r
 122                         if (!Util.isEmpty(js.clusterJobId)) {\r
 123                                 pstm.setString(2, js.clusterJobId);\r
 124                         } else {\r
 125                                 pstm.setString(2, null);\r
 126                         }\r
 127                         // Has to present\r
 128                         pstm.setString(3, js.jobname);\r
 129 \r
 130                         if (js.start != ExecutionStatCollector.UNDEFINED) {\r
 131                                 pstm.setTimestamp(4, new Timestamp(js.start));\r
 132                         } else {\r
 133                                 pstm.setTimestamp(4, null);\r
 134                         }\r
 135                         if (js.finish != ExecutionStatCollector.UNDEFINED) {\r
 136                                 pstm.setTimestamp(5, new Timestamp(js.finish));\r
 137                         } else {\r
 138                                 pstm.setTimestamp(5, null);\r
 139                         }\r
 140                         // -1 if UNDEFINED\r
 141                         pstm.setLong(6, js.inputSize);\r
 142                         // -1 if UNDEFINED\r
 143                         pstm.setLong(7, js.resultSize);\r
 144 \r
 145                         pstm.setBoolean(8, js.isCancelled);\r
 146                         pstm.setBoolean(9, js.isCollected);\r
 147                         pstm.setBoolean(10, js.isClusterJob());\r
 148                         pstm.executeUpdate();\r
 149                 }\r
 150                 conn.commit();\r
 151                 pstm.close();\r
 152         }\r
 153 \r
 154         public Date getEarliestRecord() throws SQLException {\r
 155                 String query = "select min(start) from exec_stat";\r
 156                 Statement st = conn.createStatement();\r
 157                 ResultSet res = st.executeQuery(query);\r
 158                 boolean exist = res.next();\r
 159                 Date date = new Date();\r
 160                 if (exist) {\r
 161                         date = res.getDate(1);\r
 162                 }\r
 163 \r
 164                 res.close();\r
 165                 st.close();\r
 166                 return date;\r
 167         }\r
 168 \r
 169         public List<JobStat> readData(Timestamp from, Timestamp to,\r
 170                         Services wservice, Boolean clusterOnly) throws SQLException {\r
 171 \r
 172                 String query = "select service_name, cluster_job_id, job_id, start, finish, inputsize, "\r
 173                                 + "resultsize, isCancelled, isCollected from exec_stat where start BETWEEN ? and ? ";\r
 174 \r
 175                 if (wservice != null) {\r
 176                         query += " and service_name=? ";\r
 177                 }\r
 178 \r
 179                 if (clusterOnly != null) {\r
 180                         if (clusterOnly) {\r
 181                                 query += " and isClusterJob!=0 ";\r
 182                         } else {\r
 183                                 query += " and isClusterJob=0 ";\r
 184                         }\r
 185                 }\r
 186 \r
 187                 PreparedStatement pstm = conn.prepareStatement(query);\r
 188                 pstm.setTimestamp(1, from);\r
 189                 pstm.setTimestamp(2, to);\r
 190                 if (wservice != null) {\r
 191                         pstm.setString(3, wservice.toString());\r
 192                 }\r
 193                 pstm.execute();\r
 194                 List<JobStat> stats = new ArrayList<JobStat>();\r
 195                 ResultSet rs = pstm.getResultSet();\r
 196                 while (rs.next()) {\r
 197                         stats.add(JobStat.newInstance(Services.getService(rs.getString(1)),\r
 198                                         rs.getString(2), rs.getString(3), rs.getTimestamp(4),\r
 199                                         rs.getTimestamp(5), rs.getLong(6), rs.getLong(7),\r
 200                                         rs.getBoolean(8), rs.getBoolean(9)));\r
 201                 }\r
 202                 rs.close();\r
 203                 pstm.close();\r
 204 \r
 205                 return stats;\r
 206         }\r
 207         public void removeRecordedJobs(Set<JobStat> fsJobs) throws SQLException {\r
 208 \r
 209                 String query = "select job_id from exec_stat";\r
 210 \r
 211                 Statement st = conn.createStatement();\r
 212                 ResultSet result = st.executeQuery(query);\r
 213 \r
 214                 while (result.next()) {\r
 215                         String recordedJob = result.getString(1);\r
 216                         JobStat recStat = JobStat.newIncompleteStat(recordedJob);\r
 217                         if (fsJobs.contains(recStat)) {\r
 218                                 fsJobs.remove(recStat);\r
 219                         }\r
 220                 }\r
 221                 result.close();\r
 222         }\r
 223 \r
 224         public void shutdownDBServer() {\r
 225                 // ## DATABASE SHUTDOWN SECTION ##\r
 226                 /***\r
 227                  * In embedded mode, an application should shut down Derby. Shutdown\r
 228                  * throws the XJ015 exception to confirm success.\r
 229                  ***/\r
 230                 try {\r
 231                         if (conn != null) {\r
 232                                 conn.close();\r
 233                         }\r
 234                 } catch (SQLException e) {\r
 235                         System.err.println("Database commit failed with "\r
 236                                         + e.getLocalizedMessage());\r
 237                 }\r
 238                 boolean gotSQLExc = false;\r
 239                 try {\r
 240                         DriverManager.getConnection("jdbc:derby:;shutdown=true");\r
 241                 } catch (SQLException se) {\r
 242                         if (se.getSQLState().equals("XJ015")) {\r
 243                                 gotSQLExc = true;\r
 244                         }\r
 245                 }\r
 246                 if (!gotSQLExc) {\r
 247                         System.err.println("Database did not shut down normally");\r
 248                 } else {\r
 249                         System.out.println("Database shut down normally");\r
 250                 }\r
 251         }\r
 252         public static void main(String[] args) throws SQLException {\r
 253                 // new StatDB().createStatTable();\r
 254                 // insertData(null);\r
 255                 /*\r
 256                  * StatDB statdb = new StatDB(); Date from = new Date();\r
 257                  * from.setMonth(1); System.out.println(new\r
 258                  * StatProcessor(statdb.readData( new Timestamp(from.getTime()), new\r
 259                  * Timestamp(new Date().getTime()), null, null)).reportStat());\r
 260                  */\r
 261         }\r
 262 }\r