Examples of org.apache.hadoop.hbase.KeyValue.matchingColumn()

org.apache.hadoop.hbase.KeyValue.matchingColumn()
@param family column family @param qualifier column qualifier @return True if column matches

    assertFalse(aaa.matchingColumn(column1));
    assertTrue(aaa.matchingColumn(family2,qualifier2));
    column1 = Bytes.toBytes("abcd:");
    aaa = new KeyValue(a, column1, 0L, Type.Put, a);
    assertTrue(aaa.matchingColumn(family2,null));
    assertFalse(aaa.matchingColumn(family2,qualifier2));
    // Previous test had an assertFalse that I don't understand
    //    assertFalse(KeyValue.COMPARATOR.
    //    compareColumns(aaa, column1, 0, column1.length, 4) == 0);
  }

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      KeyValue kv = new KeyValue(b, b, b);
      KeyValue original = kv.clone();
      writer.write(new ImmutableBytesWritable(), kv);
      assertFalse(original.equals(kv));
      assertTrue(Bytes.equals(original.getRow(), kv.getRow()));
      assertTrue(original.matchingColumn(kv.getFamily(), kv.getQualifier()));
      assertNotSame(original.getTimestamp(), kv.getTimestamp());
      assertNotSame(HConstants.LATEST_TIMESTAMP, kv.getTimestamp());


      // Test 2. Now test passing a kv that has explicit ts.  It should not be
      // changed by call to record write.

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  @Override
  public ReturnCode filterKeyValue(Cell c) {
    // TODO make matching Column a cell method or CellUtil method.
    KeyValue v = KeyValueUtil.ensureKeyValue(c);
    // Check if the column and qualifier match
    if (!v.matchingColumn(this.columnFamily, this.columnQualifier)) {
        // include non-matches for the time being, they'll be discarded afterwards
        return ReturnCode.INCLUDE;
    }
    // If it doesn't pass the op, skip it
    if (comparator != null

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      return ReturnCode.INCLUDE;
    } else if (this.latestVersionOnly && this.foundColumn) {
      // We found but did not match the single column, skip to next row
      return ReturnCode.NEXT_ROW;
    }
    if (!keyValue.matchingColumn(this.columnFamily, this.columnQualifier)) {
      return ReturnCode.INCLUDE;
    }
    foundColumn = true;
    if (filterColumnValue(keyValue.getBuffer(),
        keyValue.getValueOffset(), keyValue.getValueLength())) {

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    byte [] qualifier1 = Bytes.toBytes("def");
    byte [] family2 = Bytes.toBytes("abcd");
    byte [] qualifier2 = Bytes.toBytes("ef");


    KeyValue aaa = new ClientKeyValue(a, family1, qualifier1, 0L, Type.Put, a);
    assertFalse(aaa.matchingColumn(family2, qualifier2));
    assertTrue(aaa.matchingColumn(family1, qualifier1));
    aaa = new ClientKeyValue(a, family2, qualifier2, 0L, Type.Put, a);
    assertFalse(aaa.matchingColumn(family1, qualifier1));
    assertTrue(aaa.matchingColumn(family2,qualifier2));
    byte [] nullQualifier = new byte[0];

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    byte [] family2 = Bytes.toBytes("abcd");
    byte [] qualifier2 = Bytes.toBytes("ef");


    KeyValue aaa = new ClientKeyValue(a, family1, qualifier1, 0L, Type.Put, a);
    assertFalse(aaa.matchingColumn(family2, qualifier2));
    assertTrue(aaa.matchingColumn(family1, qualifier1));
    aaa = new ClientKeyValue(a, family2, qualifier2, 0L, Type.Put, a);
    assertFalse(aaa.matchingColumn(family1, qualifier1));
    assertTrue(aaa.matchingColumn(family2,qualifier2));
    byte [] nullQualifier = new byte[0];
    aaa = new ClientKeyValue(a, family1, nullQualifier, 0L, Type.Put, a);

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    KeyValue aaa = new ClientKeyValue(a, family1, qualifier1, 0L, Type.Put, a);
    assertFalse(aaa.matchingColumn(family2, qualifier2));
    assertTrue(aaa.matchingColumn(family1, qualifier1));
    aaa = new ClientKeyValue(a, family2, qualifier2, 0L, Type.Put, a);
    assertFalse(aaa.matchingColumn(family1, qualifier1));
    assertTrue(aaa.matchingColumn(family2,qualifier2));
    byte [] nullQualifier = new byte[0];
    aaa = new ClientKeyValue(a, family1, nullQualifier, 0L, Type.Put, a);
    assertTrue(aaa.matchingColumn(family1,null));
    assertFalse(aaa.matchingColumn(family2,qualifier2));

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    KeyValue aaa = new ClientKeyValue(a, family1, qualifier1, 0L, Type.Put, a);
    assertFalse(aaa.matchingColumn(family2, qualifier2));
    assertTrue(aaa.matchingColumn(family1, qualifier1));
    aaa = new ClientKeyValue(a, family2, qualifier2, 0L, Type.Put, a);
    assertFalse(aaa.matchingColumn(family1, qualifier1));
    assertTrue(aaa.matchingColumn(family2,qualifier2));
    byte [] nullQualifier = new byte[0];
    aaa = new ClientKeyValue(a, family1, nullQualifier, 0L, Type.Put, a);
    assertTrue(aaa.matchingColumn(family1,null));
    assertFalse(aaa.matchingColumn(family2,qualifier2));
  }

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    aaa = new ClientKeyValue(a, family2, qualifier2, 0L, Type.Put, a);
    assertFalse(aaa.matchingColumn(family1, qualifier1));
    assertTrue(aaa.matchingColumn(family2,qualifier2));
    byte [] nullQualifier = new byte[0];
    aaa = new ClientKeyValue(a, family1, nullQualifier, 0L, Type.Put, a);
    assertTrue(aaa.matchingColumn(family1,null));
    assertFalse(aaa.matchingColumn(family2,qualifier2));
  }


  /**
   * Test a corner case when the family qualifier is a prefix of the column qualifier.

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    assertFalse(aaa.matchingColumn(family1, qualifier1));
    assertTrue(aaa.matchingColumn(family2,qualifier2));
    byte [] nullQualifier = new byte[0];
    aaa = new ClientKeyValue(a, family1, nullQualifier, 0L, Type.Put, a);
    assertTrue(aaa.matchingColumn(family1,null));
    assertFalse(aaa.matchingColumn(family2,qualifier2));
  }


  /**
   * Test a corner case when the family qualifier is a prefix of the column qualifier.
   */

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