Field Detail

• serialVersionUID

  private static final long serialVersionUID

  See Also:

  Constant Field Values

• hfileName

  private final String hfileName

• offset

  private final long offset

• isPrimaryReplicaBlock

  private final boolean isPrimaryReplicaBlock

• FIXED_OVERHEAD

  public static final long FIXED_OVERHEAD

Constructor Detail

• BlockCacheKey

  public BlockCacheKey(String hfileName,
               long offset)

  Construct a new BlockCacheKey

  Parameters:

  hfileName - The name of the HFile this block belongs to.

  offset - Offset of the block into the file

• BlockCacheKey

  public BlockCacheKey(String hfileName,
               long offset,
               boolean isPrimaryReplica)

Method Detail

• hashCode

  public int hashCode()

  Overrides:

  hashCode in class Object

• equals

  public boolean equals(Object o)

  Overrides:

  equals in class Object

• toString

  public String toString()

  Overrides:

  toString in class Object

• heapSize

  public long heapSize()

  Strings have two bytes per character due to default Java Unicode encoding (hence length times 2).

  Specified by:

  heapSize in interface HeapSize

  Returns:

  Approximate 'exclusive deep size' of implementing object. Includes count of payload and hosting object sizings.

• getHfileName

  public String getHfileName()

  Returns:

  The hfileName portion of this cache key

• isPrimary

  public boolean isPrimary()

• getOffset

  public long getOffset()