Constructor Detail

• KeyValue.MetaComparator

  public KeyValue.MetaComparator()

Method Detail

• compare

  public int compare(Cell left,
            Cell right)

  Compare key portion of a KeyValue for keys in hbase:meta table.

  Specified by:

  compare in interface Comparator<Cell>

  Overrides:

  compare in class KeyValue.KVComparator

• compareOnlyKeyPortion

  public int compareOnlyKeyPortion(Cell left,
                          Cell right)

  Overrides:

  compareOnlyKeyPortion in class KeyValue.KVComparator

• compareRows

  public int compareRows(byte[] left,
                int loffset,
                int llength,
                byte[] right,
                int roffset,
                int rlength)

  Description copied from class: KeyValue.KVComparator
  Get the b[],o,l for left and right rowkey portions and compare.

  Overrides:

  compareRows in class KeyValue.KVComparator

  Returns:

  0 if equal, <0 if left smaller, >0 if right smaller

• getShortMidpointKey

  public byte[] getShortMidpointKey(byte[] leftKey,
                           byte[] rightKey)

  Don't do any fancy Block Index splitting tricks.

  Overrides:

  getShortMidpointKey in class KeyValue.KVComparator

  Returns:

  0 if equal, <0 if left smaller, >0 if right smaller

• getLegacyKeyComparatorName

  public String getLegacyKeyComparatorName()

  The HFileV2 file format's trailer contains this class name. We reinterpret this and instantiate the appropriate comparator. TODO: With V3 consider removing this.

  Overrides:

  getLegacyKeyComparatorName in class KeyValue.KVComparator

  Returns:

  legacy class name for FileFileTrailer#comparatorClassName

• clone

  protected Object clone()
                  throws CloneNotSupportedException

  Overrides:

  clone in class KeyValue.KVComparator

  Throws:

  CloneNotSupportedException

• compareRowKey

  protected int compareRowKey(Cell l,
                  Cell r)

  Override the row key comparison to parse and compare the meta row key parts.

  Overrides:

  compareRowKey in class KeyValue.KVComparator

  Returns:

  0 if equal, <0 if left smaller, >0 if right smaller