ostore.replica
Class ReplicaReq

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

All Implemented Interfaces:

QueueElementIF, QuickSerializable

Direct Known Subclasses:

ReplicaCloseAllReq, ReplicaCloseReq, ReplicaCreateReq, ReplicaOpenReq, ReplicaReadReq, ReplicaUpdateReq

public abstract class ReplicaReq

extends Object

implements QueueElementIF, QuickSerializable

A superclass of all requests sent to the ReplicaStage by the ClientStage, or possibly a remote ReplicaStage.

Version:

$Id: ReplicaReq.java,v 1.15 2002/07/29 18:48:54 geels Exp $

Author:

Dennis Geels

Field Summary

protected SecureHash	digest The digest of this ReplicaReq.
protected boolean	local true iff this ReplicaReq was constructed locally (not from its QuickSerializable form).
protected SecureHash	target The AGUID of the Replica on which to operate.

Constructor Summary

protected	ReplicaReq(InputBuffer buffer) Constructs a ReplicaReq from its serialized form.
protected	ReplicaReq(SecureHash target) Constructs a new ReplicaReq.

Method Summary

SecureHash	get_digest() Returns the digest of this ReplicaReq.
long	get_seq_num() Returns the sequence number of the request.
SecureHash	get_target() Returns the AGUID of the Replica on which to operate.
int	hashCode() Returns the hash of the digest of this ReplicaReq.
boolean	is_local() Returns true if this ReplicaReq was sent from a local stage, false if it came off the network.
void	serialize(OutputBuffer buffer) Add the object to the buffer.
String	toString() Returns a human-readable representation of this ReplicaReq.

Methods inherited from class java.lang.Object

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

Field Detail

target

protected SecureHash target

The AGUID of the Replica on which to operate.

local

protected final boolean local

true iff this ReplicaReq was constructed locally (not from its QuickSerializable form).

digest

protected transient SecureHash digest

The digest of this ReplicaReq. Do NOT include this field in to_bytes.

Constructor Detail

ReplicaReq

protected ReplicaReq(SecureHash target)

Constructs a new ReplicaReq.

ReplicaReq

protected ReplicaReq(InputBuffer buffer)
              throws QSException

Constructs a ReplicaReq from its serialized form.

Method Detail

get_seq_num

public long get_seq_num()

Returns the sequence number of the request.

Returns:

the sequence number of the request

get_target

public SecureHash get_target()

Returns the AGUID of the Replica on which to operate.

is_local

public boolean is_local()

Returns true if this ReplicaReq was sent from a local stage, false if it came off the network.

get_digest

public SecureHash get_digest()

Returns the digest of this ReplicaReq.

serialize

public void serialize(OutputBuffer buffer)

Description copied from interface: QuickSerializable

Add the object to the buffer.

Specified by:

serialize in interface QuickSerializable

Parameters:

buffer - the output buffer to add the object to

hashCode

public int hashCode()

Returns the hash of the digest of this ReplicaReq.

Overrides:

hashCode in class Object

toString

public String toString()

Returns a human-readable representation of this ReplicaReq.

Overrides:

toString in class Object