fabric.dissemination

Class ObjectGlob

java.lang.Object

fabric.dissemination.AbstractGlob<ObjectGroup>

fabric.dissemination.ObjectGlob

All Implemented Interfaces:

FastSerializable

public class ObjectGlob
extends AbstractGlob<ObjectGroup>

An object glob is an ObjectGroup that has been encrypted and signed.

Constructor Summary

Constructors

Constructor and Description
ObjectGlob(java.io.DataInput in) Deserializer.
ObjectGlob(Store store, ObjectGroup group, java.security.PrivateKey key) Used by the store to encrypt and sign an object group.

Method Summary

Modifier and Type	Method and Description
protected ObjectGroup	deserializePayload(java.io.DataInput in) Deserializes a payload object from the given input.
boolean	updateCache(Cache dissemCache, RemoteStore store, long onum) Updates the worker and dissemination caches with this glob.
protected void	verifyNoSignatureRequired(ObjectGroup group) Verifies that the given group does not require a signature.

Methods inherited from class fabric.dissemination.AbstractGlob

decrypt, getTimestamp, isOlderThan, verifySignature, write

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectGlob

public ObjectGlob(Store store,
                  ObjectGroup group,
                  java.security.PrivateKey key)

Used by the store to encrypt and sign an object group.

Parameters:

store - The store at which the group resides.

group - The group to encapsulate.

key - The store's private key. Used to sign the glob.

ObjectGlob

public ObjectGlob(java.io.DataInput in)
           throws java.io.IOException

Deserializer.

Throws:

java.io.IOException

Method Detail

verifyNoSignatureRequired

protected void verifyNoSignatureRequired(ObjectGroup group)
                                  throws java.security.SignatureException

Verifies that the given group does not require a signature.

Specified by:

verifyNoSignatureRequired in class AbstractGlob<ObjectGroup>

Throws:

java.security.SignatureException - if the payload requires a signature.

deserializePayload

protected ObjectGroup deserializePayload(java.io.DataInput in)
                                  throws java.io.IOException

Description copied from class: AbstractGlob

Deserializes a payload object from the given input.

Specified by:

deserializePayload in class AbstractGlob<ObjectGroup>

Throws:

java.io.IOException

updateCache

public boolean updateCache(Cache dissemCache,
                           RemoteStore store,
                           long onum)

Description copied from class: AbstractGlob

Updates the worker and dissemination caches with this glob. If the caches do not have entries for this glob, then nothing is changed.

Specified by:

updateCache in class AbstractGlob<ObjectGroup>

Returns:

true iff either cache was changed.