[Trove4j-commit] CVS: trove ChangeLog,1.13,1.14 build.xml,1.17,1.18

[Eric F. <er...@us...>]

Update of /cvsroot/trove4j/trove
In directory usw-pr-cvs1:/tmp/cvs-serv25832

Modified Files:
	ChangeLog build.xml 
Log Message:
added increment, adjustValue methods to maps with primitive values.
Thanks to Jason for the idea.


Index: ChangeLog
===================================================================
RCS file: /cvsroot/trove4j/trove/ChangeLog,v
retrieving revision 1.13
retrieving revision 1.14
diff -C2 -d -r1.13 -r1.14
*** ChangeLog	8 Apr 2002 03:33:52 -0000	1.13
--- ChangeLog	9 Apr 2002 04:00:28 -0000	1.14
***************
*** 1,2 ****
--- 1,24 ----
+ v 0.1.4
+ 
+ added increment() and adjustValue() methods to maps with primitive values.
+ These are useful in the all-too-common case where you need a map for the
+ purposes of counting the number of times a key is seen.  These methods
+ are handy because you don't have to do a "containsKey" test prior to
+ every increment() call.  Instead, you can check the return status (true
+ if an existing mapping was modified) and if it is false, then insert the
+ mapping with the initial value:
+ 
+ TIntIntHashMap map = TIntIntHashMap();
+ int key, val;
+ key = keyFromSomeWhere();
+ val = valFromSomeWhere();
+ if (! map.increment(key)) map.put(key, 0);
+ 
+ increment is implemented in terms of adjustValue, which allows you
+ to specify the amount by which the primitive value associated with a
+ particular key should be adjusted.
+ 
+ Thanks to Jason Baldridge for the idea.
+ 
  v 0.1.3
  

Index: build.xml
===================================================================
RCS file: /cvsroot/trove4j/trove/build.xml,v
retrieving revision 1.17
retrieving revision 1.18
diff -C2 -d -r1.17 -r1.18
*** build.xml	8 Apr 2002 03:33:52 -0000	1.17
--- build.xml	9 Apr 2002 04:00:28 -0000	1.18
***************
*** 10,15 ****
      <property name="Name" value="Trove for Java"/>
      <property name="name" value="trove"/>
!     <property name="version" value="0.1.3"/>
!     <property name="year" value="2001"/>
  
      <echo message="----------- ${Name} ${version} [${year}] ------------"/>
--- 10,15 ----
      <property name="Name" value="Trove for Java"/>
      <property name="name" value="trove"/>
!     <property name="version" value="0.1.4"/>
!     <property name="year" value="2001-2002"/>
  
      <echo message="----------- ${Name} ${version} [${year}] ------------"/>