ostore.read
Class ReplicaMetadataReadResp

java.lang.Object
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  +--ostore.replica.ReplicaResp
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        +--ostore.read.ReplicaReadResp
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              +--ostore.read.ReplicaMetadataReadResp

All Implemented Interfaces:

QueueElementIF, QuickSerializable

public class ReplicaMetadataReadResp

extends ReplicaReadResp

Events sent from the ReplicaStage to the ClientStage responding to ReplicaMetadataReadReq events.

Version:

$Id: ReplicaMetadataReadResp.java,v 1.13 2002/07/29 18:48:53 geels Exp $

Author:

Dennis Geels

Field Summary

protected Metadata

metadata The metadata from a version of the specified Replica, or null.

Fields inherited from class ostore.read.ReplicaReadResp

missing, read, version

Fields inherited from class ostore.replica.ReplicaResp

digest, error_code, local, NO_ERROR, NOT_OPEN, OBJECT_NOT_FOUND, READ_ERROR, req_digest, target, VERSION_PREDICATE_NOT_SATISFIED

Constructor Summary

ReplicaMetadataReadResp(InputBuffer buffer)
Constructs a ReplicaMetadataReadResp from its serialized form.

ReplicaMetadataReadResp(ReplicaReadReq req, int error_code)
Constructs a new (failed) ReplicaMetadataReadResp.

ReplicaMetadataReadResp(ReplicaReadReq req, VID version, Metadata metadata)
Constructs a new (successful) ReplicaMetadataReadResp.

Method Summary

Metadata	get_metadata() Returns the Metadata from a version of the specified replica, or null.
void	serialize(OutputBuffer buffer) Add the object to the buffer.

Methods inherited from class ostore.read.ReplicaReadResp

get_missing, get_read, get_version, toString

Methods inherited from class ostore.replica.ReplicaResp

get_digest, get_error_code, get_req_digest, get_target, hashCode, is_local, successful

Methods inherited from class java.lang.Object

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

Field Detail

metadata

protected Metadata metadata

The metadata from a version of the specified Replica, or null.

metadata != null iff this.successful().

Constructor Detail

ReplicaMetadataReadResp

public ReplicaMetadataReadResp(ReplicaReadReq req,
                               VID version,
                               Metadata metadata)

Constructs a new (successful) ReplicaMetadataReadResp.

ReplicaMetadataReadResp

public ReplicaMetadataReadResp(ReplicaReadReq req,
                               int error_code)

Constructs a new (failed) ReplicaMetadataReadResp.

ReplicaMetadataReadResp

public ReplicaMetadataReadResp(InputBuffer buffer)
                        throws QSException

Constructs a ReplicaMetadataReadResp from its serialized form.

Method Detail

get_metadata

public Metadata get_metadata()

Returns the Metadata from a version of the specified replica, or null.

serialize

public void serialize(OutputBuffer buffer)

Description copied from interface: QuickSerializable

Add the object to the buffer.

Specified by:

serialize in interface QuickSerializable

Overrides:

serialize in class ReplicaReadResp

Parameters:

buffer - the output buffer to add the object to