org.datavec.api.transform.condition.string

Class StringRegexColumnCondition

java.lang.Object

org.datavec.api.transform.condition.column.BaseColumnCondition

org.datavec.api.transform.condition.string.StringRegexColumnCondition

All Implemented Interfaces:

Serializable, ColumnOp, ColumnCondition, Condition

public class StringRegexColumnCondition
extends BaseColumnCondition

Condition that applies to the values in a String column, using a provided regex. Condition return true if the String matches the regex, or false otherwise

Note: Uses Writable.toString(), hence can potentially be applied to non-String columns

Author:

Alex Black

See Also:

Serialized Form

Field Summary

Fields inherited from class org.datavec.api.transform.condition.column.BaseColumnCondition

columnIdx, columnName, schema, sequenceMode

Fields inherited from interface org.datavec.api.transform.condition.column.ColumnCondition

DEFAULT_SEQUENCE_CONDITION_MODE

Constructor Summary

Constructors

Constructor and Description
StringRegexColumnCondition(String columnName, String regex)
StringRegexColumnCondition(String columnName, String regex, SequenceConditionMode sequenceConditionMode)

Method Summary

Modifier and Type	Method and Description
boolean	columnCondition(Writable writable) Returns whether the given element meets the condition set by this operation
boolean	condition(Object input) Condition on arbitrary input
String	toString()

Methods inherited from class org.datavec.api.transform.condition.column.BaseColumnCondition

columnName, columnNames, condition, conditionSequence, conditionSequence, getInputSchema, outputColumnName, outputColumnNames, setInputSchema, transform

Methods inherited from class java.lang.Object

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

Constructor Detail

StringRegexColumnCondition

public StringRegexColumnCondition(String columnName,
                                  String regex)

StringRegexColumnCondition

public StringRegexColumnCondition(String columnName,
                                  String regex,
                                  SequenceConditionMode sequenceConditionMode)

Method Detail

columnCondition

public boolean columnCondition(Writable writable)

Description copied from interface: ColumnCondition

Returns whether the given element meets the condition set by this operation

Parameters:

writable - the element to test

Returns:

true if the condition is met false otherwise

toString

public String toString()

Specified by:

toString in class BaseColumnCondition

condition

public boolean condition(Object input)

Condition on arbitrary input

Parameters:

input - the input to return the condition for

Returns:

true if the condition is met false otherwise