edu.cmu.andrew.icalendar
Class EventComparator

java.lang.Object
  |
  +--edu.cmu.andrew.icalendar.EventComparator

All Implemented Interfaces:

Comparator

Direct Known Subclasses:

EventComparator.SortByCreationDate, EventComparator.SortByOwningAgenda, EventComparator.SortByStartDate, EventComparator.SortBySummary

public abstract class EventComparator

extends Object

implements Comparator

Implementation of Comparator for use with Event objects. Useful for doing such things as putting events in java.util.TreeMap and other collections that need to compare objects on insertion.

Author:

miles

Inner Class Summary

protected static class	EventComparator.SortByCreationDate
protected static class	EventComparator.SortByOwningAgenda
protected static class	EventComparator.SortByStartDate
protected static class	EventComparator.SortBySummary

Field Summary

private static int	EQUAL
private static int	FIRST_GREATER_THAN
private static int	FIRST_LESS_THAN
static int	SORT_BY_CREATION_DATE
static int	SORT_BY_OWNING_AGENDA
static int	SORT_BY_START_DATE_INSTANCE
static int	SORT_BY_SUMMARY

Constructor Summary

EventComparator()

Method Summary

abstract int	compare(Object o1, Object o2)
abstract boolean	equals(Object obj)
static EventComparator	getInstance()
static EventComparator	getInstance(int type)

Methods inherited from class java.lang.Object

, clone, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait

Field Detail

SORT_BY_START_DATE_INSTANCE

public static final int SORT_BY_START_DATE_INSTANCE

SORT_BY_OWNING_AGENDA

public static final int SORT_BY_OWNING_AGENDA

SORT_BY_SUMMARY

public static final int SORT_BY_SUMMARY

SORT_BY_CREATION_DATE

public static final int SORT_BY_CREATION_DATE

FIRST_LESS_THAN

private static final int FIRST_LESS_THAN

EQUAL

private static final int EQUAL

FIRST_GREATER_THAN

private static final int FIRST_GREATER_THAN

Constructor Detail

EventComparator

public EventComparator()

Method Detail

compare

public abstract int compare(Object o1,
                            Object o2)
                     throws ClassCastException

Specified by:

compare in interface Comparator

equals

public abstract boolean equals(Object obj)

Specified by:

equals in interface Comparator

Overrides:

equals in class Object

getInstance

public static EventComparator getInstance()

getInstance

public static EventComparator getInstance(int type)
                                   throws IllegalArgumentException