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

Field Summary

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

Constructor Summary

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

Method Summary

boolean	checkSignature(Manifest manifest, VersionKey key)
Manifest[]	createManifests(VersionKey key, java.io.Serializable obj, Fragment[] fragments, long expiration)
java.io.Serializable	decodeObject(Fragment[] fragments)
Fragment[]	encodeObject(java.io.Serializable obj, boolean[] generateFragment)
void	prefetchLocalObject(VersionKey key, Continuation command)
protected void	signManifest(Manifest manifest, VersionKey key)
Manifest	updateManifest(VersionKey key, Manifest manifest, long newExpiration)

Methods inherited from class java.lang.Object

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

Field Detail

codec

protected ErasureCodec codec

instance

protected java.lang.String instance

environment

protected Environment environment

logger

protected Logger logger

Constructor Detail

GlacierDefaultPolicy

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

Method Detail

checkSignature

public boolean checkSignature(Manifest manifest,
                              VersionKey key)

Specified by:

checkSignature in interface GlacierPolicy

signManifest

protected void signManifest(Manifest manifest,
                            VersionKey key)

prefetchLocalObject

public void prefetchLocalObject(VersionKey key,
                                Continuation command)

Specified by:

prefetchLocalObject in interface GlacierPolicy

decodeObject

public java.io.Serializable decodeObject(Fragment[] fragments)

Specified by:

decodeObject in interface GlacierPolicy

createManifests

public Manifest[] createManifests(VersionKey key,
                                  java.io.Serializable obj,
                                  Fragment[] fragments,
                                  long expiration)

Specified by:

createManifests in interface GlacierPolicy

encodeObject

public Fragment[] encodeObject(java.io.Serializable obj,
                               boolean[] generateFragment)

Specified by:

encodeObject in interface GlacierPolicy

updateManifest

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

Specified by:

updateManifest in interface GlacierPolicy