ostore.client
Class OSMetadataRequest

java.lang.Object
  |
  +--ostore.client.OSRequest
        |
        +--ostore.client.OSMetadataRequest

All Implemented Interfaces:

QueueElementIF, QuickSerializable

public class OSMetadataRequest

extends OSRequest

The OSMetadataRequest object is a request for reading object metadata.

Version:

$Id: OSMetadataRequest.java,v 1.12 2002/07/20 19:38:01 srhea Exp $

Author:

Patrick R. Eaton

Field Summary

Fields inherited from class ostore.client.OSRequest

app_id

Constructor Summary

OSMetadataRequest(InputBuffer buffer)

OSMetadataRequest(OSAppId app_id, SecureHash target, OSVersionPredicate ver_pred)
Creates a new OSMetadataRequest request.

OSMetadataRequest(OSAppId app_id, SecureHash principal, QSPrivateKey principal_skey, SecureHash target, OSVersionPredicate ver_pred)
Creates a new OSMetadataRequest request.

Method Summary

SecureHash	getPrincipal() Return the hash of the principal that created the read request.
SecureHash	getTarget()
OSVersionPredicate	getVersionPredicate()
void	serialize(OutputBuffer buffer) Add the object to the buffer.
String	toString()

Methods inherited from class ostore.client.OSRequest

clone, getAppId, getDispatchTime, getSeqNum, getUserTag, setUserTag

Methods inherited from class java.lang.Object

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

Constructor Detail

OSMetadataRequest

public OSMetadataRequest(OSAppId app_id,
                         SecureHash target,
                         OSVersionPredicate ver_pred)

Creates a new OSMetadataRequest request.

Parameters:

app_id - the OSAppId to identify the requesting application

target - the aguid of the object from which to read

ver_pred - the version predicate to specify version constraints

OSMetadataRequest

public OSMetadataRequest(OSAppId app_id,
                         SecureHash principal,
                         QSPrivateKey principal_skey,
                         SecureHash target,
                         OSVersionPredicate ver_pred)

Creates a new OSMetadataRequest request.

Parameters:

app_id - the OSAppId to identify the requesting application

principal - the secure hash of the principal's public key

principal_skey - the principal's private key

target - the aguid of the object from which to read

ver_pred - the version predicate to specify version constraints

OSMetadataRequest

public OSMetadataRequest(InputBuffer buffer)
                  throws QSException

Method Detail

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 OSRequest

Parameters:

buffer - the output buffer to add the object to

getPrincipal

public SecureHash getPrincipal()

Return the hash of the principal that created the read request.

Returns:

the hash of the principal that created the read request.

getTarget

public SecureHash getTarget()

getVersionPredicate

public OSVersionPredicate getVersionPredicate()

toString

public String toString()

Overrides:

toString in class Object