org.apache.hadoop.hbase

Class ByteBufferTag

java.lang.Object

org.apache.hadoop.hbase.ByteBufferTag

All Implemented Interfaces:

Tag

@InterfaceAudience.Private
 @InterfaceStability.Evolving
public class ByteBufferTag
extends Object
implements Tag

This is a Tag implementation in which value is backed by ByteBuffer

Field Summary

Fields

Modifier and Type	Field and Description
private ByteBuffer	buffer
private int	length
private int	offset
private byte	type

Fields inherited from interface org.apache.hadoop.hbase.Tag

CUSTOM_TAG_TYPE_RANGE, INFRASTRUCTURE_SIZE, MAX_TAG_LENGTH, TAG_LENGTH_SIZE, TYPE_LENGTH_SIZE

Constructor Summary

Constructors

Constructor and Description
ByteBufferTag(ByteBuffer buffer, int offset, int length)

Method Summary

Modifier and Type	Method and Description
byte	getType()
byte[]	getValueArray()
ByteBuffer	getValueByteBuffer()
int	getValueLength()
int	getValueOffset()
boolean	hasArray() Tells whether or not this Tag is backed by a byte array.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.hadoop.hbase.Tag

cloneValue, copyValueTo, getValueAsByte, getValueAsLong, getValueAsString, matchingValue

Field Detail

buffer

private ByteBuffer buffer

offset

private int offset

length

private int length

type

private byte type

Constructor Detail

ByteBufferTag

public ByteBufferTag(ByteBuffer buffer,
                     int offset,
                     int length)

Method Detail

getType

public byte getType()

Specified by:

getType in interface Tag

Returns:

the tag type

getValueOffset

public int getValueOffset()

Specified by:

getValueOffset in interface Tag

Returns:

Offset of tag value within the backed buffer

getValueLength

public int getValueLength()

Specified by:

getValueLength in interface Tag

Returns:

Length of tag value within the backed buffer

hasArray

public boolean hasArray()

Description copied from interface: Tag

Tells whether or not this Tag is backed by a byte array.

Specified by:

hasArray in interface Tag

Returns:

true when this Tag is backed by byte array

getValueArray

public byte[] getValueArray()

Specified by:

getValueArray in interface Tag

Returns:

The array containing the value bytes.

getValueByteBuffer

public ByteBuffer getValueByteBuffer()

Specified by:

getValueByteBuffer in interface Tag

Returns:

The ByteBuffer containing the value bytes.

toString

public String toString()

Overrides:

toString in class Object