Known Direct Subclasses
CubicSplineInterpolator |
Class used to interpolate datasource values from the collection of (timestamp, values)
points using natural cubic spline interpolation. |
LinearInterpolator |
Class used to interpolate datasource values from the collection of (timestamp, values)
points. |
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Class Overview
Abstract class to be used for custom datasources.
If you wish to use a custom datasource in a graph, you should create a class implementing this interface
that represents that datasource, and then pass this class on to the RrdGraphDef.
Summary
Public Methods |
double
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getValue(long timestamp)
Retrieves datapoint value based on a given timestamp.
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[Expand]
Inherited Methods |
From class
java.lang.Object
Object
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clone()
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boolean
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equals(Object arg0)
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void
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finalize()
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final
Class<?>
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getClass()
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int
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hashCode()
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final
void
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notify()
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final
void
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notifyAll()
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String
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toString()
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final
void
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wait()
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final
void
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wait(long arg0, int arg1)
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final
void
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wait(long arg0)
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Public Constructors
Public Methods
public
double
getValue
(long timestamp)
Retrieves datapoint value based on a given timestamp.
Use this method if you only have one series of data in this class.
Parameters
timestamp
| Timestamp in seconds for the datapoint. |
Returns
- Double value of the datapoint.