Java Table.checkAndDelete方法代码示例

import org.apache.hadoop.hbase.client.Table; //导入方法依赖的package包/类
@Override
public boolean checkAndDelete(ByteBuffer table, ByteBuffer row, ByteBuffer family,
    ByteBuffer qualifier, ByteBuffer value, TDelete deleteSingle) throws TIOError, TException {
  Table htable = getTable(table);

  try {
    if (value == null) {
      return htable.checkAndDelete(byteBufferToByteArray(row), byteBufferToByteArray(family),
        byteBufferToByteArray(qualifier), null, deleteFromThrift(deleteSingle));
    } else {
      return htable.checkAndDelete(byteBufferToByteArray(row), byteBufferToByteArray(family),
        byteBufferToByteArray(qualifier), byteBufferToByteArray(value),
        deleteFromThrift(deleteSingle));
    }
  } catch (IOException e) {
    throw getTIOError(e);
  } finally {
    closeTable(htable);
  }
}
 

import org.apache.hadoop.hbase.client.Table; //导入方法依赖的package包/类
public static boolean doCheckAndDelete(final Table tableInterface, final byte[] row, final byte[] family,
        final byte[] qualifier, final byte[] value, final Delete delete) {
    boolean result;
    try {
        result = tableInterface.checkAndDelete(row, family, qualifier, value, delete);
    } catch (final Exception e) {
        closeTable(tableInterface);
        throw new HBaseException(e.getMessage(), e);
    }
    return result;
}
 

import org.apache.hadoop.hbase.client.Table; //导入方法依赖的package包/类
public void mutate(Table table, Mutation m,
    long keyBase, byte[] row, byte[] cf, byte[] q, byte[] v) {
  long start = System.currentTimeMillis();
  try {
    m = dataGenerator.beforeMutate(keyBase, m);
    if (m instanceof Increment) {
      table.increment((Increment)m);
    } else if (m instanceof Append) {
      table.append((Append)m);
    } else if (m instanceof Put) {
      table.checkAndPut(row, cf, q, v, (Put)m);
    } else if (m instanceof Delete) {
      table.checkAndDelete(row, cf, q, v, (Delete)m);
    } else {
      throw new IllegalArgumentException(
        "unsupported mutation " + m.getClass().getSimpleName());
    }
    totalOpTimeMs.addAndGet(System.currentTimeMillis() - start);
  } catch (IOException e) {
    if (ignoreNonceConflicts && (e instanceof OperationConflictException)) {
      LOG.info("Detected nonce conflict, ignoring: " + e.getMessage());
      totalOpTimeMs.addAndGet(System.currentTimeMillis() - start);
      return;
    }
    failedKeySet.add(keyBase);
    String exceptionInfo;
    if (e instanceof RetriesExhaustedWithDetailsException) {
      RetriesExhaustedWithDetailsException aggEx = (RetriesExhaustedWithDetailsException) e;
      exceptionInfo = aggEx.getExhaustiveDescription();
    } else {
      exceptionInfo = StringUtils.stringifyException(e);
    }
    LOG.error("Failed to mutate: " + keyBase + " after " +
        (System.currentTimeMillis() - start) +
      "ms; region information: " + getRegionDebugInfoSafe(table, m.getRow()) + "; errors: "
        + exceptionInfo);
  }
}
 

import org.apache.hadoop.hbase.client.Table; //导入方法依赖的package包/类
@Test (timeout=300000)
public void testCheckAndDeleteHooks() throws IOException {
  TableName tableName =
      TableName.valueOf(TEST_TABLE.getNameAsString() + ".testCheckAndDeleteHooks");
  Table table = util.createTable(tableName, new byte[][] {A, B, C});
  try {
    Put p = new Put(Bytes.toBytes(0));
    p.add(A, A, A);
    table.put(p);
    Delete d = new Delete(Bytes.toBytes(0));
    table.delete(d);
    verifyMethodResult(SimpleRegionObserver.class,
        new String[] {"hadPreCheckAndDelete",
            "hadPreCheckAndDeleteAfterRowLock", "hadPostCheckAndDelete"},
        tableName,
        new Boolean[] {false, false, false}
        );
    table.checkAndDelete(Bytes.toBytes(0), A, A, A, d);
    verifyMethodResult(SimpleRegionObserver.class,
        new String[] {"hadPreCheckAndDelete",
            "hadPreCheckAndDeleteAfterRowLock", "hadPostCheckAndDelete"},
        tableName,
        new Boolean[] {true, true, true}
        );
  } finally {
    util.deleteTable(tableName);
    table.close();
  }
}