Package org.apache.accumulo.core.client.lexicoder

Class UUIDLexicoder

java.lang.Object

org.apache.accumulo.core.client.lexicoder.AbstractEncoder<T>

org.apache.accumulo.core.client.lexicoder.impl.AbstractLexicoder<UUID>

org.apache.accumulo.core.client.lexicoder.UUIDLexicoder

All Implemented Interfaces:

Encoder<UUID>, Lexicoder<UUID>, org.apache.accumulo.core.iterators.TypedValueCombiner.Encoder<UUID>

public class UUIDLexicoder
extends org.apache.accumulo.core.client.lexicoder.impl.AbstractLexicoder<UUID>

A lexicoder for a UUID that maintains its lexicographic sorting order.

Since:

1.6.0

Constructor Summary

Constructors

Constructor	Description
UUIDLexicoder()

Method Summary

Modifier and Type	Method	Description
UUID	decode(byte[] b)
protected UUID	decodeUnchecked(byte[] b, int offset, int len)	Decodes a byte array without checking if the offset and len exceed the bounds of the actual array.
byte[]	encode(UUID uuid)

Methods inherited from class org.apache.accumulo.core.client.lexicoder.AbstractEncoder

decode

Methods inherited from class java.lang.Object

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

Constructor Details

UUIDLexicoder

public UUIDLexicoder()

Method Details

encode

public byte[] encode(UUID uuid)

See Also:

• RFC 4122: A Universally Unique IDentifier (UUID) URN Namespace, "Rules for Lexical Equivalence" in Section 3.

decode

public UUID decode(byte[] b)

Specified by:

decode in interface org.apache.accumulo.core.iterators.TypedValueCombiner.Encoder<UUID>

Overrides:

decode in class AbstractEncoder<UUID>

decodeUnchecked

protected UUID decodeUnchecked(byte[] b,
 int offset,
 int len)
                        throws org.apache.accumulo.core.iterators.ValueFormatException

Description copied from class: AbstractEncoder

Decodes a byte array without checking if the offset and len exceed the bounds of the actual array.

Specified by:

decodeUnchecked in class AbstractEncoder<UUID>

Throws:

org.apache.accumulo.core.iterators.ValueFormatException