ostore.replica
Class ReplicaOpenReq

java.lang.Object
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  +--ostore.replica.ReplicaReq
        |
        +--ostore.replica.ReplicaOpenReq

All Implemented Interfaces:

QueueElementIF, QuickSerializable

public class ReplicaOpenReq

extends ReplicaReq

Events sent from the ClientStage to the ReplicaStage requesting the latter to create a local Replica.

Version:

$Id: ReplicaOpenReq.java,v 1.13 2002/07/29 18:48:54 geels Exp $

Author:

Dennis Geels

Field Summary

protected boolean	internal true iff this request was generated internally, rather than by a client application.
protected boolean	publish true iff the local server wishes to publish itself as an available secondary replica in the tree.

Fields inherited from class ostore.replica.ReplicaReq

digest, local, target

Constructor Summary

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

ReplicaOpenReq(SecureHash target, boolean publish)
Constructs a new ReplicaOpenReq.

Method Summary

boolean	get_publish_flag() Returns true iff the local server wishes to publish itself as an available secondary replica in the tree.
boolean	is_internal() Returns true iff this request was generated internally, rather than by a client application.
void	serialize(OutputBuffer buffer) Add the object to the buffer.

Methods inherited from class ostore.replica.ReplicaReq

get_digest, get_seq_num, get_target, hashCode, is_local, toString

Methods inherited from class java.lang.Object

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

Field Detail

publish

protected boolean publish

true iff the local server wishes to publish itself as an available secondary replica in the tree. This flag should be false for client machines which only want to be leaves on the tree.

internal

protected boolean internal

true iff this request was generated internally, rather than by a client application.

The ReplicaStage generates internal ReplicaOpenReqs to help handle certain read requests.

Constructor Detail

ReplicaOpenReq

public ReplicaOpenReq(SecureHash target,
                      boolean publish)

Constructs a new ReplicaOpenReq.

ReplicaOpenReq

public ReplicaOpenReq(InputBuffer buffer)
               throws QSException

Constructs a ReplicaOpenReq from its serialized form.

Method Detail

get_publish_flag

public boolean get_publish_flag()

Returns true iff the local server wishes to publish itself as an available secondary replica in the tree.

is_internal

public boolean is_internal()

Returns true iff this request was generated internally, rather than by a client application.

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 ReplicaReq

Parameters:

buffer - the output buffer to add the object to