ostore.update
Class Predicate

java.lang.Object
  |
  +--ostore.update.Predicate

All Implemented Interfaces:

QuickSerializable

Direct Known Subclasses:

PredicateAnd, PredicateCompareBytes, PredicateFalse, PredicateTrue, PredicateVersionId

public abstract class Predicate

extends Object

implements QuickSerializable

The Predicate class is the base class for internal predicates in the OceanStore system.

Version:

$Id: Predicate.java,v 1.16 2002/11/18 23:28:39 jeffpang Exp $

Author:

Patrick R. Eaton

Constructor Summary

protected	Predicate()
protected	Predicate(InputBuffer buffer)

Method Summary

void	serialize(OutputBuffer buffer) Add the object to the buffer.
abstract String	toString() Return a representation of this predicate as a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

Predicate

protected Predicate()

Predicate

protected Predicate(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

Parameters:

buffer - the output buffer to add the object to

toString

public abstract String toString()

Return a representation of this predicate as a string.

Overrides:

toString in class Object

Returns:

a string representation of this predicate