Package org.apache.hadoop.hbase

Examples of org.apache.hadoop.hbase.Coprocessor

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  private boolean execOperation(final boolean earlyExit, final CoprocessorOperation ctx)
      throws IOException {
    boolean bypass = false;
    for (RegionEnvironment env: coprocessors) {
      Coprocessor observer = env.getInstance();
      if (ctx.hasCall(observer)) {
        long startTime = System.nanoTime();
        ctx.prepare(env);
        Thread currentThread = Thread.currentThread();
        ClassLoader cl = currentThread.getContextClassLoader();
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    assertNotNull(getCoprocessor(log));
  }

  private SampleRegionWALObserver getCoprocessor(HLog wal) throws Exception {
    WALCoprocessorHost host = wal.getCoprocessorHost();
    Coprocessor c = host.findCoprocessor(SampleRegionWALObserver.class
        .getName());
    return (SampleRegionWALObserver) c;
  }
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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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    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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    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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  private static List<AccessController> getAccessControllers(MiniHBaseCluster cluster) {
    List<AccessController> result = Lists.newArrayList();
    for (RegionServerThread t: cluster.getLiveRegionServerThreads()) {
      for (HRegion region: t.getRegionServer().getOnlineRegionsLocalContext()) {
        Coprocessor cp = region.getCoprocessorHost()
          .findCoprocessor(AccessController.class.getName());
        if (cp != null) {
          result.add((AccessController)cp);
        }
      }
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      put.add(A, A, iBytes);
      table.put(put);
    }

    HRegion firstRegion = cluster.getRegions(compactTable).get(0);
    Coprocessor cp = firstRegion.getCoprocessorHost().findCoprocessor(
        EvenOnlyCompactor.class.getName());
    assertNotNull("EvenOnlyCompactor coprocessor should be loaded", cp);
    EvenOnlyCompactor compactor = (EvenOnlyCompactor)cp;

    // force a compaction
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            continue;
          }
          RegionCoprocessorHost cph = t.getRegionServer().getOnlineRegion(r.getRegionName()).
              getCoprocessorHost();

          Coprocessor cp = cph.findCoprocessor(c.getName());
          assertNotNull(cp);
          for (int i = 0; i < methodName.length; ++i) {
            Method m = c.getMethod(methodName[i]);
            Object o = m.invoke(cp);
            assertTrue("Result of " + c.getName() + "." + methodName[i]
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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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