com.mucommander.runtime
Class ComparableRuntimeProperty

java.lang.Object
  com.mucommander.runtime.RuntimeProperty
      com.mucommander.runtime.ComparableRuntimeProperty

All Implemented Interfaces:

java.lang.Comparable

Direct Known Subclasses:

JavaVersion, OsVersion

public abstract class ComparableRuntimeProperty
extends RuntimeProperty
implements java.lang.Comparable

ComparableRuntimeProperty is a runtime property for which the values have a natural order. This class provides methods to compare instances, using an int value specified at creation time as the discriminator.

The subclass must ensure that no two instances have the same discriminator value. Based on this assumption, if compareTo(Object) returns 0, then instances are equal according to the shallow equals operator '=='.

Author:

Maxence Bernard

Field Summary

protected int

discriminator The descriminator set at creation time

Fields inherited from class com.mucommander.runtime.RuntimeProperty

stringRepresentation

Constructor Summary

protected

ComparableRuntimeProperty(java.lang.String stringRepresentation, int discriminator) Creates a new RuntimeProperty using the specified String representation and order discriminator.

Method Summary

int	compareTo(java.lang.Object o)
boolean	isCurrentHigher() Returns true if the current runtime's value of this property is higher than this instance, according to compareTo(Object).
boolean	isCurrentLower() Returns true if the current runtime's value of this property is lower than this instance, according to compareTo(Object).
boolean	isCurrentOrHigher() Returns true if the current runtime's value of this property is equal or higher to this instance, according to compareTo(Object).
boolean	isCurrentOrLower() Returns true if the current runtime's value of this property is equal or lower to this instance, according to compareTo(Object).

Methods inherited from class com.mucommander.runtime.RuntimeProperty

getCurrentValue, isCurrent, toString

Methods inherited from class java.lang.Object

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

Field Detail

discriminator

protected final int discriminator

The descriminator set at creation time

Constructor Detail

ComparableRuntimeProperty

protected ComparableRuntimeProperty(java.lang.String stringRepresentation,
                                    int discriminator)

Creates a new RuntimeProperty using the specified String representation and order discriminator.

Parameters:

stringRepresentation - a String representation of this property

discriminator - the descriminator that serves to compare an instance with another against

Method Detail

isCurrentOrLower

public boolean isCurrentOrLower()

Returns true if the current runtime's value of this property is equal or lower to this instance, according to compareTo(Object).

Returns:

true if the current runtime's value of this property is equal or lower to this instance

isCurrentLower

public boolean isCurrentLower()

Returns true if the current runtime's value of this property is lower than this instance, according to compareTo(Object).

Returns:

true if the current runtime's value of this property is lower than this instance

isCurrentOrHigher

public boolean isCurrentOrHigher()

Returns true if the current runtime's value of this property is equal or higher to this instance, according to compareTo(Object).

Returns:

true if the current runtime's value of this property is equal or higher to this instance

isCurrentHigher

public boolean isCurrentHigher()

Returns true if the current runtime's value of this property is higher than this instance, according to compareTo(Object).

Returns:

true if the current runtime's value of this property is higher than this instance

compareTo

public int compareTo(java.lang.Object o)

Specified by:

compareTo in interface java.lang.Comparable