Package org.apache.hadoop.hbase.regionserver

Examples of org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.load()

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    // and set it to region.
    RegionCoprocessorHost host = new RegionCoprocessorHost(r, null, conf);
    r.setCoprocessorHost(host);

    for (Class<?> implClass : implClasses) {
      host.load(implClass, Coprocessor.PRIORITY_USER, conf);
    }
    // we need to manually call pre- and postOpen here since the
    // above load() is not the real case for CP loading. A CP is
    // expected to be loaded by default from 1) configuration; or 2)
    // HTableDescriptor. If it's loaded after HRegion initialized,
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    // this following piece is a hack.
    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.
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    Configuration conf = HBaseConfiguration.create();
    HRegion region = initHRegion(TABLE, getClass().getName(),
      conf, FAMILIES);
    RegionCoprocessorHost h = region.getCoprocessorHost();
    h.load(ObserverA.class, Coprocessor.PRIORITY_HIGHEST, conf);
    h.load(ObserverB.class, Coprocessor.PRIORITY_USER, conf);
    h.load(ObserverC.class, Coprocessor.PRIORITY_LOWEST, conf);

    Put put = new Put(ROW);
    put.add(A, A, A);
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    Configuration conf = HBaseConfiguration.create();
    HRegion region = initHRegion(TABLE, getClass().getName(),
      conf, FAMILIES);
    RegionCoprocessorHost h = region.getCoprocessorHost();
    h.load(ObserverA.class, Coprocessor.PRIORITY_HIGHEST, conf);
    h.load(ObserverB.class, Coprocessor.PRIORITY_USER, conf);
    h.load(ObserverC.class, Coprocessor.PRIORITY_LOWEST, conf);

    Put put = new Put(ROW);
    put.add(A, A, A);
    int lockid = region.obtainRowLock(ROW);
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    HRegion region = initHRegion(TABLE, getClass().getName(),
      conf, FAMILIES);
    RegionCoprocessorHost h = region.getCoprocessorHost();
    h.load(ObserverA.class, Coprocessor.PRIORITY_HIGHEST, conf);
    h.load(ObserverB.class, Coprocessor.PRIORITY_USER, conf);
    h.load(ObserverC.class, Coprocessor.PRIORITY_LOWEST, conf);

    Put put = new Put(ROW);
    put.add(A, A, A);
    int lockid = region.obtainRowLock(ROW);
    region.put(put, lockid);
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    byte[][] FAMILIES = new byte[][] { A };

    Configuration conf = HBaseConfiguration.create();
    HRegion region = initHRegion(TABLE, getClass().getName(), conf, FAMILIES);
    RegionCoprocessorHost h = region.getCoprocessorHost();
    h.load(NoDataFromScan.class, Coprocessor.PRIORITY_HIGHEST, conf);
    h.load(EmptyRegionObsever.class, Coprocessor.PRIORITY_USER, conf);

    Put put = new Put(ROW);
    put.add(A, A, A);
    region.put(put);
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    Configuration conf = HBaseConfiguration.create();
    HRegion region = initHRegion(TABLE, getClass().getName(), conf, FAMILIES);
    RegionCoprocessorHost h = region.getCoprocessorHost();
    h.load(NoDataFromScan.class, Coprocessor.PRIORITY_HIGHEST, conf);
    h.load(EmptyRegionObsever.class, Coprocessor.PRIORITY_USER, conf);

    Put put = new Put(ROW);
    put.add(A, A, A);
    region.put(put);
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    byte[][] FAMILIES = new byte[][] { A };

    Configuration conf = HBaseConfiguration.create();
    HRegion region = initHRegion(TABLE, getClass().getName(), conf, FAMILIES);
    RegionCoprocessorHost h = region.getCoprocessorHost();
    h.load(NoDataFromFlush.class, Coprocessor.PRIORITY_HIGHEST, conf);
    h.load(EmptyRegionObsever.class, Coprocessor.PRIORITY_USER, conf);

    // put a row and flush it to disk
    Put put = new Put(ROW);
    put.add(A, A, A);
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    Configuration conf = HBaseConfiguration.create();
    HRegion region = initHRegion(TABLE, getClass().getName(), conf, FAMILIES);
    RegionCoprocessorHost h = region.getCoprocessorHost();
    h.load(NoDataFromFlush.class, Coprocessor.PRIORITY_HIGHEST, conf);
    h.load(EmptyRegionObsever.class, Coprocessor.PRIORITY_USER, conf);

    // put a row and flush it to disk
    Put put = new Put(ROW);
    put.add(A, A, A);
    region.put(put);
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    byte[][] FAMILIES = new byte[][] { A };

    Configuration conf = HBaseConfiguration.create();
    HRegion region = initHRegion(TABLE, getClass().getName(), conf, FAMILIES);
    RegionCoprocessorHost h = region.getCoprocessorHost();
    h.load(NoDataFromFlush.class, Coprocessor.PRIORITY_HIGHEST, conf);
    h.load(EmptyRegionObsever.class, Coprocessor.PRIORITY_USER, conf);

    // put a row and flush it to disk
    Put put = new Put(ROW);
    put.add(A, A, A);
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