[Jrobin-commits] src/org/jrobin/core RrdDbPool.java,1.2,1.3

[<sa...@us...>]

Update of /cvsroot/jrobin/src/org/jrobin/core
In directory sc8-pr-cvs1:/tmp/cvs-serv5554/org/jrobin/core

Modified Files:
	RrdDbPool.java 
Log Message:
MRTD demo now uses RrdDbPool for maximum performance

Index: RrdDbPool.java
===================================================================
RCS file: /cvsroot/jrobin/src/org/jrobin/core/RrdDbPool.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** RrdDbPool.java	10 Nov 2003 08:52:27 -0000	1.2
--- RrdDbPool.java	12 Nov 2003 10:22:09 -0000	1.3
***************
*** 100,104 ****
  	 * which still does not force garbage collector to run.
  	 */
! 	public static final int OPEN_FILES_DESIRED = 50;
  
  	private HashMap rrdMap = new HashMap();
--- 100,105 ----
  	 * which still does not force garbage collector to run.
  	 */
! 	public static final int INITIAL_CAPACITY = 50;
! 	private static int capacity = INITIAL_CAPACITY;
  
  	private HashMap rrdMap = new HashMap();
***************
*** 216,219 ****
--- 217,224 ----
  	 */
  	public synchronized void release(RrdDb rrdDb) throws IOException, RrdException {
+ 		if(rrdDb == null) {
+ 			// we don't want NullPointerException
+ 			return;
+ 		}
  		RrdFile rrdFile = rrdDb.getRrdFile();
  		if(rrdFile == null) {
***************
*** 235,239 ****
  	private void gc() throws IOException {
  		int mapSize = rrdMap.size();
! 		if(mapSize <= OPEN_FILES_DESIRED) {
  			// nothing to do
  			debug("GC: no need to run");
--- 240,244 ----
  	private void gc() throws IOException {
  		int mapSize = rrdMap.size();
! 		if(mapSize <= capacity) {
  			// nothing to do
  			debug("GC: no need to run");
***************
*** 315,318 ****
--- 320,343 ----
  		}
  		return buff.toString();
+ 	}
+ 
+ 	/**
+ 	 * Returns maximum number of internally open RRD files
+ 	 * which still does not force garbage collector to run.
+ 	 *
+ 	 * @return Desired nuber of open files held in the pool.
+ 	 */
+ 	public static int getCapacity() {
+ 		return capacity;
+ 	}
+ 
+ 	/**
+ 	 * Sets maximum number of internally open RRD files
+ 	 * which still does not force garbage collector to run.
+ 	 *
+ 	 * @param capacity Desired number of open files to hold in the pool
+ 	 */
+ 	public static void setCapacity(int capacity) {
+ 		RrdDbPool.capacity = capacity;
  	}