de.dfki.mycbr.core.casebase
Class DateRange

java.lang.Object
  de.dfki.mycbr.core.casebase.Range
      de.dfki.mycbr.core.casebase.DateRange

All Implemented Interfaces:

java.util.Observer

public final class DateRange
extends Range

Holds DateAttributes for a given DateDescr. Each time a date is used in a case the DateRange returns a reference to the corresponding DateAttribute object or creates a new one. SpecialAttributes are also handled for each SpecialAttribute used in the current project

Author:

myCBR Team

Constructor Summary

DateRange(Project p, DateDesc d)
Initializes internal data structures.

Method Summary

Attribute	getAttribute(java.lang.Object obj) Gets the attribute associated with the specified Object obj.
DateAttribute	getDateValue(java.util.Date date) Returns the DateAttribute associated with the given date.
Attribute	parseValue(java.lang.String string)
void	update(java.util.Observable ob, java.lang.Object o)

Methods inherited from class de.dfki.mycbr.core.casebase.Range

getProject, setProject

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DateRange

public DateRange(Project p,
                 DateDesc d)

Initializes internal data structures.

Parameters:

p - the project this range belongs to

d - the date description for attributes maintained by this range

Method Detail

getDateValue

public DateAttribute getDateValue(java.util.Date date)

Returns the DateAttribute associated with the given date. Creates a new DateAttribute if there is no DateAttribute for the given date yet.

Parameters:

date - the value for which the corresponding DateAttribute should be returned

Returns:

the DateAttribute specified by date

getAttribute

public Attribute getAttribute(java.lang.Object obj)
                       throws java.text.ParseException

Gets the attribute associated with the specified Object obj. obj is expected to be of type Date or String. Returns result of getDateValue(Date) if obj is of type Date, result of Project.getSpecialAttribute(String) if obj is of type SpecialAttribute, else returns null. Is needed for MultipleRange.

Specified by:

getAttribute in class Range

Parameters:

obj - representing Date or SpecialAttribute

Returns:

SimpleAttribute that corresponds to obj, null if there is no such SimpleAttribute

Throws:

java.text.ParseException - if obj does not fit the description

parseValue

public Attribute parseValue(java.lang.String string)
                     throws java.text.ParseException

Parameters:

string - the string to be parsed

Returns:

the attribute associated with string

Throws:

java.text.ParseException - if string does not fit description

update

public void update(java.util.Observable ob,
                   java.lang.Object o)