org.hkijena.jipipe.extensions.expressions

Class DataRowQueryExpression

java.lang.Object

org.hkijena.jipipe.extensions.expressions.AbstractExpressionParameter

org.hkijena.jipipe.extensions.expressions.DefaultExpressionParameter

org.hkijena.jipipe.extensions.expressions.DataRowQueryExpression

public class DataRowQueryExpression
extends DefaultExpressionParameter

Expression for selecting rows inside a data table

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DataRowQueryExpression.VariableSource

Nested classes/interfaces inherited from class org.hkijena.jipipe.extensions.expressions.DefaultExpressionParameter

DefaultExpressionParameter.List

Constructor Summary

Constructors

Constructor and Description
DataRowQueryExpression()
DataRowQueryExpression(DataRowQueryExpression other)
DataRowQueryExpression(String expression)

Method Summary

Modifier and Type	Method and Description
List<Integer>	query(JIPipeDataSlot slot) Returns matching rows
List<Integer>	query(JIPipeDataSlot slot, Collection<Integer> rows) Returns matching rows
boolean	test(JIPipeDataSlot slot, int row) Returns true if the data contained in this slot matches the expression

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

getAdditionalUIVariables, getEvaluator, getEvaluatorInstance, setAdditionalUIVariables

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

evaluate, evaluateToBoolean, evaluateToColor, evaluateToDouble, evaluateToFloat, evaluateToInteger, evaluateToNumber, evaluateToString, getExpression, isEmpty, setExpression, test, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DataRowQueryExpression

public DataRowQueryExpression()

DataRowQueryExpression

public DataRowQueryExpression(String expression)

DataRowQueryExpression

public DataRowQueryExpression(DataRowQueryExpression other)

Method Detail

test

public boolean test(JIPipeDataSlot slot,
                    int row)

Returns true if the data contained in this slot matches the expression

Parameters:

slot - the data slot

row - data row index

Returns:

if the expression matches

query

public List<Integer> query(JIPipeDataSlot slot)

Returns matching rows

Parameters:

slot - the data slot

Returns:

matching rows

query

public List<Integer> query(JIPipeDataSlot slot,
                           Collection<Integer> rows)

Returns matching rows

Parameters:

slot - the data slot

rows - rows to be checked

Returns:

matching rows