de.unknownreality.dataframe.filter

Class ComparePredicate

java.lang.Object

de.unknownreality.dataframe.filter.FilterPredicate

de.unknownreality.dataframe.filter.ComparePredicate

Direct Known Subclasses:

ColumnComparePredicate

public class ComparePredicate
extends FilterPredicate

Created by Alex on 09.03.2016.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ComparePredicate.Operation Operations available for compare predicates

Field Summary

Fields inherited from class de.unknownreality.dataframe.filter.FilterPredicate

EMPTY_FILTER

Constructor Summary

Constructors

Constructor and Description
ComparePredicate(String headerName, ComparePredicate.Operation op, Object value) Creates a compare predicate for a given row column name, operation and a value the row value is compared with

Method Summary

Modifier and Type	Method and Description
protected boolean	compare(Object valueA, Object valueB)
String	getHeaderName()
ComparePredicate.Operation	getOperation()
Object	getValue()
String	toString() Returns a string representation for this predicate
boolean	valid(Row row) Returns true if the row is valid for this predicate

Methods inherited from class de.unknownreality.dataframe.filter.FilterPredicate

and, and, and, btwn, compile, empty, eq, eq, eqColumn, ge, geColumn, gt, gtColumn, in, in, in, le, leColumn, lt, ltColumn, matches, matches, ne, ne, neColumn, neg, nor, nor, not, or, or, or, xor, xor

Methods inherited from class java.lang.Object

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

Constructor Detail

ComparePredicate

public ComparePredicate(String headerName,
                        ComparePredicate.Operation op,
                        Object value)

Creates a compare predicate for a given row column name, operation and a value the row value is compared with

Parameters:

headerName - row column name

op - compare operation

value - value for comparison

Method Detail

getHeaderName

public String getHeaderName()

getOperation

public ComparePredicate.Operation getOperation()

getValue

public Object getValue()

valid

public boolean valid(Row row)

Returns true if the row is valid for this predicate

Specified by:

valid in class FilterPredicate

Parameters:

row - tested row

Returns:

true if the row is valid

compare

protected boolean compare(Object valueA,
                          Object valueB)

toString

public String toString()

Description copied from class: FilterPredicate

Returns a string representation for this predicate

Specified by:

toString in class FilterPredicate

Returns:

string representation