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org.gjt.sp.jedit.options
Class ToolBarOptionPane.ButtonCompare  view ToolBarOptionPane.ButtonCompare download ToolBarOptionPane.ButtonCompare.java

java.lang.Object
  extended byorg.gjt.sp.jedit.options.ToolBarOptionPane.ButtonCompare
All Implemented Interfaces:
java.util.Comparator, org.gjt.sp.jedit.MiscUtilities.Compare
Enclosing class:
ToolBarOptionPane

static class ToolBarOptionPane.ButtonCompare
extends java.lang.Object
implements org.gjt.sp.jedit.MiscUtilities.Compare


Constructor Summary
(package private) ToolBarOptionPane.ButtonCompare()
           
 
Method Summary
 int compare(java.lang.Object obj1, java.lang.Object obj2)
          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

ToolBarOptionPane.ButtonCompare

ToolBarOptionPane.ButtonCompare()
Method Detail

compare

public int compare(java.lang.Object obj1,
                   java.lang.Object obj2)
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 org.gjt.sp.jedit.MiscUtilities.Compare