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java.lang.Objectweka.core.pmml.Function
public abstract class Function
Abstract superclass for PMML built-in and DefineFunctions.
Constructor Summary | |
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Function()
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Method Summary | |
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static Function |
getFunction(java.lang.String name)
Get a built-in PMML Function. |
static Function |
getFunction(java.lang.String name,
weka.core.pmml.TransformationDictionary transDict)
Get either a function. |
java.lang.String |
getName()
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abstract Attribute |
getOutputDef()
Get the structure of the result produced by this function. |
abstract java.lang.String[] |
getParameterNames()
Returns an array of the names of the parameters expected as input by this function. |
abstract double |
getResult(double[] incoming)
Get the result of applying this function. |
abstract void |
setParameterDefs(java.util.ArrayList<Attribute> paramDefs)
Set the structure of the parameters that are expected as input by this function. |
java.lang.String |
toString()
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java.lang.String |
toString(java.lang.String pad)
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Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public Function()
Method Detail |
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public java.lang.String getName()
public abstract java.lang.String[] getParameterNames()
public abstract void setParameterDefs(java.util.ArrayList<Attribute> paramDefs) throws java.lang.Exception
paramDefs
- the structure of the input parameters
java.lang.Exception
- if the number or types of parameters are not acceptable by
this functionpublic abstract Attribute getOutputDef()
public abstract double getResult(double[] incoming) throws java.lang.Exception
incoming
- the arguments to this function (supplied in order to match that
of the parameter definitions
java.lang.Exception
- if there is a problem computing the result of this functionpublic static Function getFunction(java.lang.String name)
name
- the name of the function to get.
public static Function getFunction(java.lang.String name, weka.core.pmml.TransformationDictionary transDict) throws java.lang.Exception
name
- the name of the function to get.transDict
- the TransformationDictionary (may be null if there is
no dictionary).
java.lang.Exception
- if the named function is not known/supported.public java.lang.String toString()
toString
in class java.lang.Object
public java.lang.String toString(java.lang.String pad)
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