rice.p2p.glacier.v2
Class GlacierDefaultPolicy

java.lang.Object
  rice.p2p.glacier.v2.GlacierDefaultPolicy

All Implemented Interfaces:

GlacierPolicy

public class GlacierDefaultPolicy

extends java.lang.Object

implements GlacierPolicy

DESCRIBE THE CLASS

Version:

$Id: pretty.settings 2305 2005-03-11 20:22:33Z jeffh $

Author:

jeffh

Field Summary

protected ErasureCodec	codec DESCRIBE THE FIELD
protected Environment	environment DESCRIBE THE FIELD
protected java.lang.String	instance DESCRIBE THE FIELD
protected Logger	logger DESCRIBE THE FIELD

Constructor Summary

GlacierDefaultPolicy(ErasureCodec codec, java.lang.String instance, Environment env)
Constructor for GlacierDefaultPolicy.

Method Summary

boolean	checkSignature(Manifest manifest, VersionKey key) DESCRIBE THE METHOD
Manifest[]	createManifests(VersionKey key, PastContent obj, Fragment[] fragments, long expiration) DESCRIBE THE METHOD
Manifest[]	createManifests(VersionKey key, RawPastContent obj, Fragment[] fragments, long expiration) DESCRIBE THE METHOD
PastContent	decodeObject(Fragment[] fragments, Endpoint endpoint, PastContentDeserializer pcd) DESCRIBE THE METHOD
Fragment[]	encodeObject(PastContent obj, boolean[] generateFragment) DESCRIBE THE METHOD
Fragment[]	encodeObject(RawPastContent obj, boolean[] generateFragment) DESCRIBE THE METHOD
void	prefetchLocalObject(VersionKey key, Continuation command) DESCRIBE THE METHOD
protected void	signManifest(Manifest manifest, VersionKey key) DESCRIBE THE METHOD
Manifest	updateManifest(VersionKey key, Manifest manifest, long newExpiration) DESCRIBE THE METHOD

Methods inherited from class java.lang.Object

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

Field Detail

codec

protected ErasureCodec codec

DESCRIBE THE FIELD

instance

protected java.lang.String instance

DESCRIBE THE FIELD

environment

protected Environment environment

DESCRIBE THE FIELD

logger

protected Logger logger

DESCRIBE THE FIELD

Constructor Detail

GlacierDefaultPolicy

public GlacierDefaultPolicy(ErasureCodec codec,
                            java.lang.String instance,
                            Environment env)

Constructor for GlacierDefaultPolicy.

Parameters:

codec - DESCRIBE THE PARAMETER

instance - DESCRIBE THE PARAMETER

env - DESCRIBE THE PARAMETER

Method Detail

checkSignature

public boolean checkSignature(Manifest manifest,
                              VersionKey key)

DESCRIBE THE METHOD

Specified by:

checkSignature in interface GlacierPolicy

Parameters:

manifest - DESCRIBE THE PARAMETER

key - DESCRIBE THE PARAMETER

Returns:

DESCRIBE THE RETURN VALUE

signManifest

protected void signManifest(Manifest manifest,
                            VersionKey key)

DESCRIBE THE METHOD

Parameters:

manifest - DESCRIBE THE PARAMETER

key - DESCRIBE THE PARAMETER

prefetchLocalObject

public void prefetchLocalObject(VersionKey key,
                                Continuation command)

DESCRIBE THE METHOD

Specified by:

prefetchLocalObject in interface GlacierPolicy

Parameters:

key - DESCRIBE THE PARAMETER

command - DESCRIBE THE PARAMETER

decodeObject

public PastContent decodeObject(Fragment[] fragments,
                                Endpoint endpoint,
                                PastContentDeserializer pcd)

DESCRIBE THE METHOD

Specified by:

decodeObject in interface GlacierPolicy

Parameters:

fragments - DESCRIBE THE PARAMETER

endpoint - DESCRIBE THE PARAMETER

pcd - DESCRIBE THE PARAMETER

Returns:

DESCRIBE THE RETURN VALUE

createManifests

public Manifest[] createManifests(VersionKey key,
                                  RawPastContent obj,
                                  Fragment[] fragments,
                                  long expiration)

DESCRIBE THE METHOD

Parameters:

key - DESCRIBE THE PARAMETER

obj - DESCRIBE THE PARAMETER

fragments - DESCRIBE THE PARAMETER

expiration - DESCRIBE THE PARAMETER

Returns:

DESCRIBE THE RETURN VALUE

createManifests

public Manifest[] createManifests(VersionKey key,
                                  PastContent obj,
                                  Fragment[] fragments,
                                  long expiration)

DESCRIBE THE METHOD

Specified by:

createManifests in interface GlacierPolicy

Parameters:

key - DESCRIBE THE PARAMETER

obj - DESCRIBE THE PARAMETER

fragments - DESCRIBE THE PARAMETER

expiration - DESCRIBE THE PARAMETER

Returns:

DESCRIBE THE RETURN VALUE

encodeObject

public Fragment[] encodeObject(RawPastContent obj,
                               boolean[] generateFragment)

DESCRIBE THE METHOD

Parameters:

obj - DESCRIBE THE PARAMETER

generateFragment - DESCRIBE THE PARAMETER

Returns:

DESCRIBE THE RETURN VALUE

encodeObject

public Fragment[] encodeObject(PastContent obj,
                               boolean[] generateFragment)

DESCRIBE THE METHOD

Specified by:

encodeObject in interface GlacierPolicy

Parameters:

obj - DESCRIBE THE PARAMETER

generateFragment - DESCRIBE THE PARAMETER

Returns:

DESCRIBE THE RETURN VALUE

updateManifest

public Manifest updateManifest(VersionKey key,
                               Manifest manifest,
                               long newExpiration)

DESCRIBE THE METHOD

Specified by:

updateManifest in interface GlacierPolicy

Parameters:

key - DESCRIBE THE PARAMETER

manifest - DESCRIBE THE PARAMETER

newExpiration - DESCRIBE THE PARAMETER

Returns:

DESCRIBE THE RETURN VALUE