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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    // 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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   * @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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    boolean found = false;
    MiniHBaseCluster hbase = TEST_UTIL.getHBaseCluster();
    for (HRegion region:
        hbase.getRegionServer(0).getOnlineRegionsLocalContext()) {
      if (region.getRegionNameAsString().startsWith(cpName4)) {
        Coprocessor cp = region.getCoprocessorHost().findCoprocessor(cpName4);
        if (cp != null) {
          found = true;
          assertEquals("Class " + cpName4 + " was not loaded by CoprocessorClassLoader",
            cp.getClass().getClassLoader().getClass(), CoprocessorClassLoader.class);
        }
      }
    }
    assertTrue("Class " + cpName4 + " was missing on a region", found);
  }
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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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   * @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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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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