jrobin-commits

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

Update of /cvsroot/jrobin/src/org/jrobin/core
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv17853/org/jrobin/core

Modified Files:
	RrdDb.java 
Log Message:
Added two methods to fetch last datasource values from a RrdDb object

Index: RrdDb.java
===================================================================
RCS file: /cvsroot/jrobin/src/org/jrobin/core/RrdDb.java,v
retrieving revision 1.31
retrieving revision 1.32
diff -C2 -d -r1.31 -r1.32
*** RrdDb.java	19 Oct 2004 10:14:02 -0000	1.31
--- RrdDb.java	21 Oct 2004 08:05:25 -0000	1.32
***************
*** 1088,1096 ****
  	}
  
  	public static void main(String[] args) {
- 		System.out.println("JRobin base directory: " + Util.getJRobinHomeDirectory());
  		System.out.println("JRobin Java Library :: RRDTool choice for the Java world");
! 		System.out.println("http://www.jrobin.org");
! 		System.out.println("(C) 2004 Sasa Markovic & Arne Vandamme");
  	}
  
--- 1088,1125 ----
  	}
  
+     /**
+ 	 * Returns an array of last datasource values. The first value in the array corresponds
+ 	 * to the first datasource defined in the RrdDb and so on.
+ 	 * @return Array of last datasource values
+ 	 * @throws IOException Thrown in case of I/O error
+ 	 */
+ 	public synchronized double[] getLastDatasourceValues() throws IOException {
+ 		double[] values = new double[datasources.length];
+ 		for(int i = 0; i < values.length; i++) {
+ 			values[i] = datasources[i].getLastValue();
+ 		}
+ 		return values;
+ 	}
+ 
+ 	/**
+ 	 * Returns the last stored value for the given datasource.
+ 	 * @param dsName Datasource name
+ 	 * @return Last stored value for the given datasource
+ 	 * @throws IOException Thrown in case of I/O error
+ 	 * @throws RrdException Thrown if no datasource in this RrdDb matches the given datasource name
+ 	 */
+ 	public synchronized double getLastDatasourceValue(String dsName) throws IOException, RrdException {
+ 		int dsIndex = getDsIndex(dsName);
+ 		return datasources[dsIndex].getLastValue();
+ 	}
+ 
  	public static void main(String[] args) {
  		System.out.println("JRobin Java Library :: RRDTool choice for the Java world");
! 		System.out.println("==================================================================");
! 		System.out.println("JRobin base directory: " + Util.getJRobinHomeDirectory());
! 		System.out.println("Current timestamp: " + Util.getTime());
! 		System.out.println("------------------------------------------------------------------");
! 		System.out.println("For the latest information visit: http://www.jrobin.org");
! 		System.out.println("(C) 2003, 2004 Sasa Markovic & Arne Vandamme. All rights reserved.");
  	}