org.fusesource.hawtbuf.codec

Class VarLongCodec

java.lang.Object

org.fusesource.hawtbuf.codec.VarLongCodec

All Implemented Interfaces:

Codec<java.lang.Long>

Direct Known Subclasses:

VarSignedLongCodec

public class VarLongCodec
extends java.lang.Object
implements Codec<java.lang.Long>

Implementation of a variable length Codec for a Long

Field Summary

Fields

Modifier and Type	Field and Description
static VarLongCodec	INSTANCE

Constructor Summary

Constructors

Constructor and Description
VarLongCodec()

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Long	decode(java.io.DataInput dataIn) Read the payload of the object from the DataInput stream.
java.lang.Long	deepCopy(java.lang.Long source)
void	encode(java.lang.Long object, java.io.DataOutput dataOut) Write the payload of the object to the DataOutput stream.
int	estimatedSize(java.lang.Long object)
int	getFixedSize()
boolean	isDeepCopySupported()
boolean	isEstimatedSizeSupported()

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final VarLongCodec INSTANCE

Constructor Detail

VarLongCodec

public VarLongCodec()

Method Detail

encode

public void encode(java.lang.Long object,
          java.io.DataOutput dataOut)
            throws java.io.IOException

Description copied from interface: Codec

Write the payload of the object to the DataOutput stream.

Specified by:

encode in interface Codec<java.lang.Long>

Throws:

java.io.IOException

decode

public java.lang.Long decode(java.io.DataInput dataIn)
                      throws java.io.IOException

Description copied from interface: Codec

Read the payload of the object from the DataInput stream.

Specified by:

decode in interface Codec<java.lang.Long>

Returns:

unmarshalled object

Throws:

java.io.IOException

isEstimatedSizeSupported

public boolean isEstimatedSizeSupported()

Specified by:

isEstimatedSizeSupported in interface Codec<java.lang.Long>

Returns:

true if the Codec.estimatedSize(Object) operation is supported.

estimatedSize

public int estimatedSize(java.lang.Long object)

Specified by:

estimatedSize in interface Codec<java.lang.Long>

Returns:

the estimated marshaled size of the object.

getFixedSize

public int getFixedSize()

Specified by:

getFixedSize in interface Codec<java.lang.Long>

Returns:

-1 if the object do not always marshall to a fixed size, otherwise return that fixed size.

deepCopy

public java.lang.Long deepCopy(java.lang.Long source)

Specified by:

deepCopy in interface Codec<java.lang.Long>

Returns:

a deep copy of the source object. If the source is immutable the same source should be returned.

isDeepCopySupported

public boolean isDeepCopySupported()

Specified by:

isDeepCopySupported in interface Codec<java.lang.Long>

Returns:

true if the Codec.deepCopy(Object) operations is supported.