[Tm4j-commits] tm4j/src/org/tm4j/topicmap/tmdm/merged MergedAssociationKey.java, 1.1, 1.2

[Xuan B. <med...@us...>]

Update of /cvsroot/tm4j/tm4j/src/org/tm4j/topicmap/tmdm/merged
In directory sc8-pr-cvs10.sourceforge.net:/tmp/cvs-serv21630/src/org/tm4j/topicmap/tmdm/merged

Modified Files:
	MergedAssociationKey.java 
Log Message:
Memory consumption analysis for MergedAssociationKeys.

Index: MergedAssociationKey.java
===================================================================
RCS file: /cvsroot/tm4j/tm4j/src/org/tm4j/topicmap/tmdm/merged/MergedAssociationKey.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** MergedAssociationKey.java	21 Jan 2008 11:13:45 -0000	1.1
--- MergedAssociationKey.java	19 Jun 2008 11:25:11 -0000	1.2
***************
*** 19,23 ****
  */
  public class MergedAssociationKey extends MergedScopeableKey {
! 	
  	protected MergedTopic													type;
  	
--- 19,34 ----
  */
  public class MergedAssociationKey extends MergedScopeableKey {
! 	/*
! 		FIXME: MEMORY CONSUMPTION:
! 		
! 		This object consumes on 64-bit machines, on average,
! 		(2*8+8+8+8+8)+	(MergedAssociationKey:		object header + 1 inherited pointer + 2 pointers + 1 int + alignment)
! 		(2*8+8)+			(HashSet:										object header + 1 pointer)
! 		(2*8+6*8)+		(HashMap: 									object header + content)
! 		(3*8+16*8)+		(HashMap.table:							object header + content (default table size))
! 		(2*8+4*8)*2+	(HashMap.Entry:							object header + content) 2 times (because, typically, associations have 2 roles)
! 		(2*8+8+8)*2		(MergedAssociationRoleKey:	object header + type + player) 2 times (because, typically, associations have 2 roles)
! 	= 448 bytes.
! 	*/
  	protected MergedTopic													type;