Package org.apache.hadoop.hbase

Examples of org.apache.hadoop.hbase.Coprocessor

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      throw new IOException("Configured class " + implClass.getName() + " must implement "
          + Coprocessor.class.getName() + " interface ");
    }

    // create the instance
    Coprocessor impl;
    Object o = null;
    try {
      o = implClass.newInstance();
      impl = (Coprocessor)o;
    } catch (InstantiationException e) {
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    Put put = new Put(ROW);
    put.add(A, A, A);
    region.put(put);

    Coprocessor c = h.findCoprocessor(ObserverA.class.getName());
    long idA = ((ObserverA)c).id;
    c = h.findCoprocessor(ObserverB.class.getName());
    long idB = ((ObserverB)c).id;
    c = h.findCoprocessor(ObserverC.class.getName());
    long idC = ((ObserverC)c).id;
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    assertNotNull(splitRow);
    HRegion [] regions = split(region, splitRow);
    for (int i = 0; i < regions.length; i++) {
      regions[i] = reopenRegion(regions[i], CoprocessorImpl.class, CoprocessorII.class);
    }
    Coprocessor c = regions[0].getCoprocessorHost().
        findCoprocessor(CoprocessorImpl.class.getName());
    Coprocessor c2 = regions[0].getCoprocessorHost().
        findCoprocessor(CoprocessorII.class.getName());
    Object o = ((CoprocessorImpl)c).getSharedData().get("test1");
    Object o2 = ((CoprocessorII)c2).getSharedData().get("test2");
    assertNotNull(o);
    assertNotNull(o2);
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    HRegion [] regions = split(region, splitRow);
    for (int i = 0; i < regions.length; i++) {
      regions[i] = reopenRegion(regions[i], CoprocessorImpl.class);
    }
    HRegion.closeHRegion(region);
    Coprocessor c = region.getCoprocessorHost().
      findCoprocessor(CoprocessorImpl.class.getName());

    // HBASE-4197
    Scan s = new Scan();
    RegionScanner scanner = regions[0].getCoprocessorHost().postScannerOpen(s, regions[0].getScanner(s));
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    RegionCoprocessorHost host = new RegionCoprocessorHost(r, null, conf);
    r.setCoprocessorHost(host);

    for (Class<?> implClass : implClasses) {
      host.load(implClass, Coprocessor.PRIORITY_USER, conf);
      Coprocessor c = host.findCoprocessor(implClass.getName());
      assertNotNull(c);
    }

    // Here we have to call pre and postOpen explicitly.
    host.preOpen();
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    // test to see whether the coprocessor is loaded or not.
    HLog log = HLogFactory.createHLog(fs, hbaseDir,
        getName(), conf);
    try {
      WALCoprocessorHost host = log.getCoprocessorHost();
      Coprocessor c = host.findCoprocessor(SampleRegionWALObserver.class.getName());
      assertNotNull(c);
    } finally {
      if (log != null) log.closeAndDelete();
    }
  }
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  public void testWALCoprocessorLoaded() throws Exception {
    // test to see whether the coprocessor is loaded or not.
    HLog log = new HLog(fs, dir, oldLogDir, conf);
    try {
      WALCoprocessorHost host = log.getCoprocessorHost();
      Coprocessor c = host.findCoprocessor(SampleRegionWALObserver.class.getName());
      assertNotNull(c);
    } finally {
      if (log != null) log.closeAndDelete();
    }
  }
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    Admin admin = new HBaseAdmin(conf);
    try {
      MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();
      HRegionServer regionServer = cluster.getRegionServer(0);
      RegionServerCoprocessorHost cpHost = regionServer.getRegionServerCoprocessorHost();
      Coprocessor coprocessor = cpHost.findCoprocessor(CPRegionServerObserver.class.getName());
      CPRegionServerObserver regionServerObserver = (CPRegionServerObserver) coprocessor;
      HTableDescriptor desc = new HTableDescriptor(TableName.valueOf(TABLENAME));
      desc.addFamily(new HColumnDescriptor(FAM));
      admin.createTable(desc, new byte[][] { Bytes.toBytes("row") });
      desc = new HTableDescriptor(TableName.valueOf(TABLENAME2));
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   * @throws java.io.IOException Exception
   */
  public E loadInstance(Class<?> implClass, int priority, Configuration conf)
      throws IOException {
    // create the instance
    Coprocessor impl;
    Object o = null;
    try {
      o = implClass.newInstance();
      impl = (Coprocessor)o;
    } catch (InstantiationException e) {
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  public void testWALCoprocessorLoaded() throws Exception {
    // test to see whether the coprocessor is loaded or not.
    HLog log = new HLog(fs, dir, oldLogDir, conf);
    try {
      WALCoprocessorHost host = log.getCoprocessorHost();
      Coprocessor c = host.findCoprocessor(SampleRegionWALObserver.class.getName());
      assertNotNull(c);
    } finally {
      if (log != null) log.closeAndDelete();
    }
  }
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Related Classes of org.apache.hadoop.hbase.Coprocessor

  • org.apache.hadoop.hbase.coprocessor.CoprocessorHost
  • org.apache.hadoop.hbase.coprocessor.TestClassLoading
  • org.apache.hadoop.hbase.coprocessor.TestCoprocessorInterface
  • org.apache.hadoop.hbase.coprocessor.TestRegionObserverInterface
  • org.apache.hadoop.hbase.coprocessor.TestRegionObserverStacking
  • org.apache.hadoop.hbase.coprocessor.TestRegionServerObserver
  • org.apache.hadoop.hbase.coprocessor.TestWALObserver
  • org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost
  • org.apache.hadoop.hbase.regionserver.wal.TestHLog
  • org.apache.hadoop.hbase.security.access.SecureTestUtil
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