Examples of org.apache.hadoop.hbase.client.HTableInterface.checkAndPut()

Class org.apache.hadoop.hbase.client.HTableInterface

Examples of org.apache.hadoop.hbase.client.HTableInterface.checkAndPut()

org.apache.hadoop.hbase.client.HTableInterface.checkAndPut()
Atomically checks if a row/family/qualifier value matches the expected value. If it does, it adds the put. If the passed value is null, the check is for the lack of column (ie: non-existance) @param row to check @param family column family to check @param qualifier column qualifier to check @param value the expected value @param put data to put if check succeeds @throws IOException e @return true if the new put was executed, false otherwise

      if (checkingFieldName == null) {
        hTable.put(put);
        return 1;
      } else {
        Column checkingColumn = entityDefinition.getColumn(checkingFieldName);
        return hTable.checkAndPut(
            id,
            Bytes.toBytes(checkingColumn.getColumnFamily()),
            Bytes.toBytes(checkingColumn.getColumn()),
            checkingFieldValue,
            put) ? 1 : 0;

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  @Override
  public boolean checkAndPut(ByteBuffer table, ByteBuffer row, ByteBuffer family,
      ByteBuffer qualifier, ByteBuffer value, TPut put) throws TIOError, TException {
    HTableInterface htable = getTable(table);
    try {
      return htable.checkAndPut(byteBufferToByteArray(row), byteBufferToByteArray(family),
        byteBufferToByteArray(qualifier), (value == null) ? null : byteBufferToByteArray(value),
        putFromThrift(put));
    } catch (IOException e) {
      throw getTIOError(e);
    } finally {

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          put.add(
              Bytes.toBytes(entityDefinition.getVersionColumn().getColumnFamily()),
              Bytes.toBytes(entityDefinition.getVersionColumn().getColumn()),
              Bytes.toBytes(oldVersion == null ? 1 : oldVersion + 1));
        }
        return hTable.checkAndPut(
            id,
            Bytes.toBytes(entityDefinition.getVersionColumn().getColumnFamily()),
            Bytes.toBytes(entityDefinition.getVersionColumn().getColumn()),
            oldVersion == null ? null : Bytes.toBytes(oldVersion),
            put);

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      if (checkingFieldName == null) {
        hTable.put(put);
        return 1;
      } else {
        Column checkingColumn = entityDefinition.getColumn(checkingFieldName);
        return hTable.checkAndPut(
            id,
            Bytes.toBytes(checkingColumn.getColumnFamily()),
            Bytes.toBytes(checkingColumn.getColumn()),
            checkingFieldValue,
            put) ? 1 : 0;

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          .type(MIMETYPE_TEXT).entity("Bad request" + CRLF)
          .build();
      }


      table = pool.getTable(this.tableResource.getName());
      boolean retValue = table.checkAndPut(key, valueToPutParts[0],
        valueToPutParts[1], valueToCheckCell.getValue(), put);
      if (LOG.isDebugEnabled()) {
        LOG.debug("CHECK-AND-PUT " + put.toString() + ", returns " + retValue);
      }
      table.flushCommits();

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