Package elki.database.ids.integer

Class IntegerDBID.StaticSerializer

java.lang.Object

elki.database.ids.integer.IntegerDBID.StaticSerializer

All Implemented Interfaces:

ByteBufferSerializer<DBID>, FixedSizeByteBufferSerializer<DBID>

Enclosing class:

IntegerDBID

public static class IntegerDBID.StaticSerializer
extends java.lang.Object
implements FixedSizeByteBufferSerializer<DBID>

Static sized serializer, using regular integers.

Author:

Erich Schubert

Constructor Summary

Constructors

Constructor	Description
StaticSerializer()	Constructor.

Method Summary

Modifier and Type	Method	Description
DBID	fromByteBuffer(java.nio.ByteBuffer buffer)	Deserialize an object from a byte buffer (e.g., disk)
int	getByteSize(DBID object)	Get the size of the object in bytes.
int	getFixedByteSize()	Get the fixed size needed by this serializer.
void	toByteBuffer(java.nio.ByteBuffer buffer, DBID object)	Serialize the object to a byte array (e.g., disk)

Methods inherited from class java.lang.Object

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

Constructor Detail

StaticSerializer

public StaticSerializer()

Constructor. Protected: use static instance!

Method Detail

fromByteBuffer

public DBID fromByteBuffer(java.nio.ByteBuffer buffer)
                    throws java.io.IOException

Description copied from interface: ByteBufferSerializer

Deserialize an object from a byte buffer (e.g., disk)

Specified by:

fromByteBuffer in interface ByteBufferSerializer<DBID>

Parameters:

buffer - Data array to process

Returns:

Deserialized object

Throws:

java.io.IOException - on IO errors

toByteBuffer

public void toByteBuffer(java.nio.ByteBuffer buffer,
                         DBID object)
                  throws java.io.IOException

Description copied from interface: ByteBufferSerializer

Serialize the object to a byte array (e.g., disk)

Specified by:

toByteBuffer in interface ByteBufferSerializer<DBID>

Parameters:

buffer - Buffer to serialize to

object - Object to serialize

Throws:

java.io.IOException - on IO errors

getByteSize

public int getByteSize(DBID object)
                throws java.io.IOException

Description copied from interface: ByteBufferSerializer

Get the size of the object in bytes.

Specified by:

getByteSize in interface ByteBufferSerializer<DBID>

Parameters:

object - Object to serialize

Returns:

maximum size in serialized form

Throws:

java.io.IOException - on IO errors

getFixedByteSize

public int getFixedByteSize()

Description copied from interface: FixedSizeByteBufferSerializer

Get the fixed size needed by this serializer.

Specified by:

getFixedByteSize in interface FixedSizeByteBufferSerializer<DBID>

Returns:

Size