[Jrobin-commits] src/org/jrobin/core FetchData.java,1.15,1.16 Util.java,1.29,1.30

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Update of /cvsroot/jrobin/src/org/jrobin/core
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv6428/org/jrobin/core

Modified Files:
	FetchData.java Util.java 
Log Message:
Minor changes necessary to integrate FetchData class with the new data.* package.

Index: FetchData.java
===================================================================
RCS file: /cvsroot/jrobin/src/org/jrobin/core/FetchData.java,v
retrieving revision 1.15
retrieving revision 1.16
diff -C2 -d -r1.15 -r1.16
*** FetchData.java	25 Nov 2004 14:26:06 -0000	1.15
--- FetchData.java	15 Dec 2004 14:42:44 -0000	1.16
***************
*** 26,29 ****
--- 26,32 ----
  package org.jrobin.core;

+ import org.jrobin.data.Aggregator;
+ import org.jrobin.data.Aggregates;
+ 
  import java.io.IOException;
  import java.io.OutputStream;
***************
*** 297,301 ****

  	/**
! 	 * Returns aggregated value from the fetched data for a single datasource.
  	 *
  	 * @param dsName    Datasource name
--- 300,304 ----

  	/**
! 	 * Returns single aggregated value from the fetched data for a single datasource.
  	 *
  	 * @param dsName    Datasource name
***************
*** 306,387 ****
  	 *         for the given datasource name
  	 * @throws RrdException Thrown if the given datasource name cannot be found in fetched data.
- 	 * @deprecated This method may calculate averages slightly different from values displayed in the
- 	 * corresponding graph. Use {@link org.jrobin.data.DataProcessor DataProcessor} class instead.
  	 */
  	public double getAggregate(String dsName, String consolFun)	throws RrdException {
! 		if(consolFun.equals(CF_MAX)) {
! 			return getMax(dsName);
! 		}
! 		else if(consolFun.equals(CF_MIN)) {
! 			return getMin(dsName);
! 		}
! 		else if(consolFun.equals(CF_LAST)) {
! 			return getLast(dsName);
! 		}
! 		else if(consolFun.equals(CF_FIRST)) {
! 			return getFirst(dsName);
! 		}
! 		else if(consolFun.equals(CF_AVERAGE)) {
! 			return getAverage(dsName);
! 		}
! 		else if(consolFun.equals(CF_TOTAL)) {
! 			return getTotal(dsName);
! 		}
! 		else {
! 			throw new RrdException("Unsupported consolidation function [" + consolFun + "]");
! 		}
! 	}
! 
! 	private double getMax(String dsName) throws RrdException {
! 		double values[] = getValues(dsName), max = Double.NaN;
! 		for(int i = 1; i < values.length; i++) {
! 			max = Util.max(max, values[i]);
! 		}
! 		return max;
! 	}
! 
! 	private double getMin(String dsName) throws RrdException {
! 		double values[] = getValues(dsName), min = Double.NaN;
! 		for(int i = 1; i < values.length; i++) {
! 			min = Util.min(min, values[i]);
! 		}
! 		return min;
! 	}
! 
! 	private double getLast(String dsName) throws RrdException {
! 		double values[] = getValues(dsName);
! 		return values[values.length - 1];
! 	}
! 
! 	private double getFirst(String dsName) throws RrdException {
! 		double values[] = getValues(dsName);
! 		return values[1];
  	}

! 	private double getAverage(String dsName) throws RrdException {
! 		double values[] = getValues(dsName), totalVal = 0D;
! 		long tStart = request.getFetchStart(), tEnd = request.getFetchEnd(), totalSecs = 0;
! 		for(int i = 1; i < values.length; i++) {
! 			long t1 = Math.max(tStart, timestamps[i - 1]), t2 = Math.min(tEnd, timestamps[i]);
! 			double value = values[i];
! 			if(!Double.isNaN(value)) {
!                 totalSecs += (t2 - t1);
! 				totalVal += (t2 - t1) * value;
! 			}
! 		}
! 		return totalSecs > 0? totalVal / totalSecs: Double.NaN;
  	}

! 	private double getTotal(String dsName) throws RrdException {
! 		double vals[] = getValues(dsName), totalVal = 0D;
! 		long tStart = request.getFetchStart(), tEnd = request.getFetchEnd();
! 		for(int i = 1; i < vals.length; i++) {
! 			long t1 = Math.max(tStart, timestamps[i - 1]), t2 = Math.min(tEnd, timestamps[i]);
! 			double value = vals[i];
! 			if(!Double.isNaN(value)) {
! 				totalVal += (t2 - t1) * value;
! 			}
! 		}
! 		return totalVal;
  	}

--- 309,351 ----
  	 *         for the given datasource name
  	 * @throws RrdException Thrown if the given datasource name cannot be found in fetched data.
  	 */
  	public double getAggregate(String dsName, String consolFun)	throws RrdException {
! 		Aggregator aggregator = new Aggregator(getTimestamps(), getValues(dsName));
! 		Aggregates agg = aggregator.getAggregates(request.getFetchStart(), request.getFetchEnd());
! 		return agg.getAggregate(consolFun);
  	}

! 	/**
! 	 * Returns all aggregated values (MIN, MAX, LAST, FIRST, AVERAGE or TOTAL) calculated from the fetched data
! 	 * for a single datasource.
! 	 *
! 	 * @param dsName Datasource name.
! 	 * @return Simple object containing all aggregated values.
! 	 * @throws RrdException Thrown if the given datasource name cannot be found in the fetched data.
! 	 */
! 	public Aggregates getAggregates(String dsName) throws RrdException {
! 		Aggregator aggregator = new Aggregator(getTimestamps(), getValues(dsName));
! 		Aggregates agg = aggregator.getAggregates(request.getFetchStart(), request.getFetchEnd());
! 		return agg;
  	}

! 	/**
! 	 * Used by ISPs which charge for bandwidth utilization on a "95th percentile" basis.<p>
! 	 *
! 	 * The 95th percentile is the highest source value left when the top 5% of a numerically sorted set
! 	 * of source data is discarded. It is used as a measure of the peak value used when one discounts
! 	 * a fair amount for transitory spikes. This makes it markedly different from the average.<p>
! 	 *
! 	 * Read more about this topic at:<p>
! 	 * <a href="http://www.red.net/support/resourcecentre/leasedline/percentile.php">Rednet</a> or<br>
! 	 * <a href="http://www.bytemark.co.uk/support/tech/95thpercentile.html">Bytemark</a>.
! 	 *
! 	 * @param dsName Datasource name
! 	 * @return 95th percentile of fetched source values
! 	 * @throws RrdException Thrown if invalid source name is supplied
! 	 */
! 	public double get95Percentile(String dsName) throws RrdException {
! 		Aggregator aggregator = new Aggregator(getTimestamps(), getValues(dsName));
! 		return aggregator.get95Percentile(request.getFetchStart(), request.getFetchEnd());
  	}

Index: Util.java
===================================================================
RCS file: /cvsroot/jrobin/src/org/jrobin/core/Util.java,v
retrieving revision 1.29
retrieving revision 1.30
diff -C2 -d -r1.29 -r1.30
*** Util.java	25 Nov 2004 12:14:53 -0000	1.29
--- Util.java	15 Dec 2004 14:42:44 -0000	1.30
***************
*** 90,94 ****
  	 * Rounds the given timestamp to the nearest whole &quote;step&quote;. Rounded value is obtained
  	 * from the following expression:<p>
! 	 * <code>timestamp - timestamp % step;</code>
  	 * @param timestamp Timestamp in seconds
  	 * @param step Step in seconds
--- 90,94 ----
  	 * Rounds the given timestamp to the nearest whole &quote;step&quote;. Rounded value is obtained
  	 * from the following expression:<p>
! 	 * <code>timestamp - timestamp % step;</code><p>
  	 * @param timestamp Timestamp in seconds
  	 * @param step Step in seconds
***************
*** 123,127 ****
  	}

! 	static double sum(double x, double y) {
  		return Double.isNaN(x)? y: Double.isNaN(y)? x: x + y;
  	}
--- 123,133 ----
  	}

! 	/**
! 	 * Calculates sum of two doubles, but treats NaNs as zeros.
! 	 * @param x First double
! 	 * @param y Second double
! 	 * @return Sum(x,y) calculated as <code>Double.isNaN(x)? y: Double.isNaN(y)? x: x + y;</code>
! 	 */
! 	public static double sum(double x, double y) {
  		return Double.isNaN(x)? y: Double.isNaN(y)? x: x + y;
  	}
***************
*** 142,146 ****

  	/**
! 	 * Formats double as a string using exponential notation. Used for debugging
  	 * throught the project.
  	 * @param x value to be formatted
--- 148,152 ----

  	/**
! 	 * Formats double as a string using exponential notation (RRDTool like). Used for debugging
  	 * throught the project.
  	 * @param x value to be formatted