ostore.read
Class DatePredicate

java.lang.Object
  |
  +--ostore.read.DatePredicate

All Implemented Interfaces:

QuickSerializable, VersionPredicate

public class DatePredicate

extends Object

implements VersionPredicate

A VersionPredicate that requires version whose creation date lies in a specified range.

Version:

$Id: DatePredicate.java,v 1.18 2002/07/29 18:48:53 geels Exp $

Author:

Dennis Geels

Constructor Summary

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

DatePredicate(QSDate date)
Constructs a new DatePredicate that requires a specific version.

DatePredicate(QSDate low, QSDate high)
Constructs a new DatePredicate that requires a creation date between low and high, inclusive.

Method Summary

QSDate	get_high() Returns the latest accaptable creation date;
QSDate	get_low() Returns the earliest accaptable creation date;
void	serialize(OutputBuffer buffer) Add the object to the buffer.
String	toString() Returns a human-readable representation of this predicate.

Methods inherited from class java.lang.Object

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

Constructor Detail

DatePredicate

public DatePredicate(QSDate low,
                     QSDate high)

Constructs a new DatePredicate that requires a creation date between low and high, inclusive. Set high=Clock.QS_NEVER for open-ended predicates.

Parameters:

low - The earliest acceptable creation date.

high - The latest acceptable creation date.

See Also:

Clock.QS_NEVER

DatePredicate

public DatePredicate(QSDate date)

Constructs a new DatePredicate that requires a specific version.

Parameters:

date - The only acceptable creation date.

DatePredicate

public DatePredicate(InputBuffer buffer)
              throws QSException

Constructs a DatePredicate from its serialized form.

Method Detail

get_low

public QSDate get_low()

Returns the earliest accaptable creation date;

get_high

public QSDate get_high()

Returns the latest accaptable creation date;

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 String toString()

Returns a human-readable representation of this predicate.

Overrides:

toString in class Object