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com.port80.graph.dot.impl
Class VirtualChain.PTPSlackComparator  

java.lang.Object
  com.port80.graph.dot.impl.VirtualChain.PTPSlackComparator

All Implemented Interfaces:

java.util.Comparator

Enclosing class:

VirtualChain

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public static final class VirtualChain.PTPSlackComparator

extends java.lang.Object

implements java.util.Comparator

Comparator based on slack (length/direct distance) of the chain (Larger first).

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Constructor Summary

VirtualChain.PTPSlackComparator()

 

Method Summary
int	compare(java.lang.Object a, java.lang.Object b)           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.

 

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

 

Constructor Detail

VirtualChain.PTPSlackComparator

public VirtualChain.PTPSlackComparator()

Method Detail

compare

public int compare(java.lang.Object a,
                   java.lang.Object b)

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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