org.hkijena.jipipe.extensions.expressions.functions

Class ColumnOperationAdapterFunction

java.lang.Object

com.fathzer.soft.javaluator.Function

org.hkijena.jipipe.extensions.expressions.ExpressionFunction

org.hkijena.jipipe.extensions.expressions.functions.ColumnOperationAdapterFunction

public class ColumnOperationAdapterFunction
extends ExpressionFunction

An adapter from ColumnOperation to ExpressionFunction. This adapter determines the number of arguments based on the ColumnOperation type: IntegratingColumnOperation will have infinite inputs All other column operations will have one parameter. Please note that the operation should only create exactly one output.

Constructor Summary

Constructors

Constructor and Description
ColumnOperationAdapterFunction(ColumnOperation columnOperation, String name)

Method Summary

Modifier and Type	Method and Description
Object	evaluate(List<Object> parameters, ExpressionVariables variables) Runs the function on given parameters
ColumnOperation	getColumnOperation()
ParameterInfo	getParameterInfo(int index) Returns info about the parameter at index

Methods inherited from class org.hkijena.jipipe.extensions.expressions.ExpressionFunction

getSignature, getTemplate

Methods inherited from class com.fathzer.soft.javaluator.Function

getMaximumArgumentCount, getMinimumArgumentCount, getName

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnOperationAdapterFunction

public ColumnOperationAdapterFunction(ColumnOperation columnOperation,
                                      String name)

Method Detail

getColumnOperation

public ColumnOperation getColumnOperation()

getParameterInfo

public ParameterInfo getParameterInfo(int index)

Returns info about the parameter at index

Overrides:

getParameterInfo in class ExpressionFunction

Parameters:

index - the parameter index

Returns:

the info

evaluate

public Object evaluate(List<Object> parameters,
                       ExpressionVariables variables)

Description copied from class: ExpressionFunction

Runs the function on given parameters

Specified by:

evaluate in class ExpressionFunction

Parameters:

parameters - the parameters

variables - the set of current variables

Returns:

the result