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com.clra.rowing
Class DefaultRowingSessionStateComparator  

java.lang.Object
  com.clra.rowing.DefaultRowingSessionStateComparator

All Implemented Interfaces:

java.util.Comparator, java.io.Serializable

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public class DefaultRowingSessionStateComparator

extends java.lang.Object

implements java.util.Comparator, java.io.Serializable

Compares RowingSessionState instances as well as Strings. The default order is NEW, TENATIVE, OPEN, LOCKED, BOATING1, BOATING2, COMPLETE, INVOICING, CLOSED, CANCELED.

Version:

$Revision: 1.3 $ $Date: 2003/02/26 03:38:45 $

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Field Summary
private static java.lang.String	base
private static java.util.Map	ordinalMap
private static org.apache.log4j.Category	theLog

 

Constructor Summary

DefaultRowingSessionStateComparator()

 

Method Summary
int	compare(java.lang.Object o1, java.lang.Object o2)           Return an integer that is negative, zero or positive depending on whether the first argument is less than, equal to or greater than the second according to this ordering.
private static java.lang.Integer	getOrdinal(java.lang.Object o)
private static java.lang.Integer	getOrdinal(RowingSessionState rsl)
private static java.lang.Integer	getOrdinal(java.lang.String s)
private static java.lang.String	makeKey(RowingSessionState rsl)
private static java.lang.String	makeKey(java.lang.String s)
static int	staticCompare(java.lang.Object o1, java.lang.Object o2)           Compares a level to other levels and valid level names.

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface java.util.Comparator

equals

 

Field Detail

base

private static final java.lang.String base

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theLog

private static final org.apache.log4j.Category theLog

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ordinalMap

private static final java.util.Map ordinalMap

Constructor Detail

DefaultRowingSessionStateComparator

public DefaultRowingSessionStateComparator()

Method Detail

makeKey

private static final java.lang.String makeKey(java.lang.String s)

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makeKey

private static final java.lang.String makeKey(RowingSessionState rsl)

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getOrdinal

private static final java.lang.Integer getOrdinal(java.lang.String s)

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getOrdinal

private static final java.lang.Integer getOrdinal(RowingSessionState rsl)

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getOrdinal

private static final java.lang.Integer getOrdinal(java.lang.Object o)

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staticCompare

public static int staticCompare(java.lang.Object o1,
                                java.lang.Object o2)

Compares a level to other levels and valid level names. The default order is LTR then REGULAR.

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compare

public int compare(java.lang.Object o1,
                   java.lang.Object o2)

Description copied from interface: java.util.Comparator

Return an integer that is negative, zero or positive depending on whether the first argument is less than, equal to or greater than the second according to this ordering. This method should obey the following contract:

• if compare(a, b) < 0 then compare(b, a) > 0
• if compare(a, b) throws an exception, so does compare(b, a)
• if compare(a, b) < 0 and compare(b, c) < 0 then compare(a, c) < 0
• if compare(a, b) == 0 then compare(a, c) and compare(b, c) must have the same sign

To be consistent with equals, the following additional constraint is in place:

• if a.equals(b) or both a and b are null, then compare(a, b) == 0.

Although it is permissible for a comparator to provide an order inconsistent with equals, that should be documented.

Specified by:

compare in interface java.util.Comparator

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