org.eclipse.hyades.ui.widgets.grapher
Interface GraphSource

All Superinterfaces:

BasicGraphSource

All Known Implementing Classes:

TestGraphSource

public interface GraphSource

extends BasicGraphSource

The GraphSource defines an interface to the graph data that a Graph implementation will query when rendering the graph. This interface provides a variety of methods to query the current data set.

Since:

4.0.0

See Also:

TestGraphSource

Field Summary

Fields inherited from interface org.eclipse.hyades.ui.widgets.grapher.BasicGraphSource

NEGATIVE_INFINITY, POSITIVE_INFINITY

Method Summary

double	getAverageBetween(double x, double x2) Get the average of values between the provided times, inclusive of x and exclusive of x2
double	getCountBetween(double x, double x2) Get the count of value entries between the provided times, inclusive of x and exclusive of x2
double	getMax() Get the maximum time this graph has data at
double	getMaxBetween(double x, double x2) Get the max of values between the provided times, inclusive of x and exclusive of x2
double	getMin() Get the minimum time this graph has data at
double	getMinBetween(double x, double x2) Get the min of values between the provided times, inclusive of x and exclusive of x2
double	getSessionMax() Get the maxnimum time this graph could have data at.
double	getSessionMin() Get the minimum time this graph could have data at.
double	getStandardDeviationBetween(double x, double x2) Get the standard deviation of values between the provided times, inclusive of x and exclusive of x2
double	getSumBetween(double x, double x2) Get the sum of values between the provided times, inclusive of x and exclusive of x2
double	getValueAt(double x) Get the value at or immediately before the provided time
double	getValueMax() Get the maximum value this graph source holds
double	getValueMin() Get the minimum value this graph source holds

Method Detail

getMin

public double getMin()

Get the minimum time this graph has data at

Specified by:

getMin in interface BasicGraphSource

Returns:

the minimum time this graph has data at

getMax

public double getMax()

Get the maximum time this graph has data at

Specified by:

getMax in interface BasicGraphSource

Returns:

the maximum time this graph has data at

getSessionMin

public double getSessionMin()

Get the minimum time this graph could have data at. The first point at which data could have been returned.

Returns:

the first point at which data could have been returned.

getSessionMax

public double getSessionMax()

Get the maxnimum time this graph could have data at. The last point at which data could have been returned.

Returns:

the last point at which data could have been returned.

getValueMax

public double getValueMax()

Get the maximum value this graph source holds

Returns:

the maximum value this graph source holds

getValueMin

public double getValueMin()

Get the minimum value this graph source holds

Returns:

the minimum value this graph source holds

getValueAt

public double getValueAt(double x)

Get the value at or immediately before the provided time

Parameters:

x - the time to get the value at

Returns:

the value at or immediately before the provided time

getAverageBetween

public double getAverageBetween(double x,
                                double x2)

Get the average of values between the provided times, inclusive of x and exclusive of x2

Parameters:

x - the start time to average from

x2 - the end time to average to

Returns:

the average of the values between x and x2

getSumBetween

public double getSumBetween(double x,
                            double x2)

Get the sum of values between the provided times, inclusive of x and exclusive of x2

Parameters:

x - the start time to sum from

x2 - the end time to sum to

Returns:

the sumof the values between x and x2

getMaxBetween

public double getMaxBetween(double x,
                            double x2)

Get the max of values between the provided times, inclusive of x and exclusive of x2

Parameters:

x - the start time to get the max from

x2 - the end time to get the max to

Returns:

the max of the values between x and x2

getMinBetween

public double getMinBetween(double x,
                            double x2)

Get the min of values between the provided times, inclusive of x and exclusive of x2

Parameters:

x - the start time to get the min from

x2 - the end time to get the min to

Returns:

the min of the values between x and x2

getCountBetween

public double getCountBetween(double x,
                              double x2)

Get the count of value entries between the provided times, inclusive of x and exclusive of x2

Parameters:

x - the start time to get the count from

x2 - the end time to get the count to

Returns:

the count of the value entries between x and x2

getStandardDeviationBetween

public double getStandardDeviationBetween(double x,
                                          double x2)

Get the standard deviation of values between the provided times, inclusive of x and exclusive of x2

Parameters:

x - the start time to get the stddev from

x2 - the end time to get the stddev to

Returns:

the stddev of the value entries between x and x2