com.ebay.carad.os.vitalsigns.util
Class ReportUtil

java.lang.Object
  com.ebay.carad.os.vitalsigns.util.ReportUtil

public abstract class ReportUtil
extends java.lang.Object

Home for miscellaneous reporting and DB utilities and constants.

Version:

$Id$

Author:

Jeremy Kraybill, Jeremy Thomerson

Field Summary

private static java.text.NumberFormat

NUMBER_FORMATTER Number formatter.

Constructor Summary

ReportUtil()

Method Summary

static java.lang.String	getDeltasAsHtml(float[] delta, boolean moreIsBetter) Takes a list of float deltas and writes an HTML string of the form "NN/NN/NN/..NN" where NN is expressed as a +/- percentage value.
static float	getFloatFrom(java.lang.Object data) Attempts to convert an object into a float.
static DataPoint	shiftTime(DataPoint row, long ms) Taks a logtime / data row and returns a new map, with logtime shifted by the given amount of milliseconds.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NUMBER_FORMATTER

private static final java.text.NumberFormat NUMBER_FORMATTER

Number formatter.

Constructor Detail

ReportUtil

public ReportUtil()

Method Detail

getFloatFrom

public static float getFloatFrom(java.lang.Object data)

Attempts to convert an object into a float. If it is not convertible, it returns 0.0.

Parameters:

data - the object to convert

Returns:

the float it converts to, or 0 if not convertible

shiftTime

public static DataPoint shiftTime(DataPoint row,
                                  long ms)

Taks a logtime / data row and returns a new map, with logtime shifted by the given amount of milliseconds. Used for moving dataseries to the right.

Parameters:

row - the row to transpose

ms - the number of milliseconds to move to the right.

Returns:

a new Map

getDeltasAsHtml

public static java.lang.String getDeltasAsHtml(float[] delta,
                                               boolean moreIsBetter)

Takes a list of float deltas and writes an HTML string of the form "NN/NN/NN/..NN" where NN is expressed as a +/- percentage value.

Parameters:

delta - a list of float % deltas (where 1.0 is +100%, -1.0 is -100% etc)

moreIsBetter - if true, negative values are red and positive are green; otherwise vice versa.

Returns:

a formatted HTML string