Class RegexPreprocessor

java.lang.Object

org.tribuo.data.text.impl.RegexPreprocessor

All Implemented Interfaces:

com.oracle.labs.mlrg.olcut.config.Configurable, com.oracle.labs.mlrg.olcut.provenance.Provenancable<com.oracle.labs.mlrg.olcut.provenance.ConfiguredObjectProvenance>, DocumentPreprocessor

public final class RegexPreprocessor
extends Object
implements DocumentPreprocessor

A simple document preprocessor which applies regular expressions to the input.

Constructor Summary

Constructors

Constructor	Description
RegexPreprocessor(List<String> regexStrings, List<String> replacements)	Construct a regex preprocessor.

Method Summary

Modifier and Type	Method	Description
com.oracle.labs.mlrg.olcut.provenance.ConfiguredObjectProvenance	getProvenance()
void	postConfig()	Used by the OLCUT configuration system, and should not be called by external code.
String	processDoc(String doc)	Processes the content of part of a document stored as a string, returning a new string.

Methods inherited from class java.lang.Object

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

Constructor Details

RegexPreprocessor

public RegexPreprocessor(List<String> regexStrings,
 List<String> replacements)

Construct a regex preprocessor.

Parameters:

regexStrings - A list of strings containing regular expressions.

replacements - A list of strings containing the replacements for matches to the regular expressions in the input

Method Details

postConfig

public void postConfig()

Used by the OLCUT configuration system, and should not be called by external code.

Specified by:

postConfig in interface com.oracle.labs.mlrg.olcut.config.Configurable

processDoc

public String processDoc(String doc)

Description copied from interface: DocumentPreprocessor

Processes the content of part of a document stored as a string, returning a new string.

Specified by:

processDoc in interface DocumentPreprocessor

Parameters:

doc - the document to process

Returns:

the processed string. Note that the return value may be null, in which case the resulting string will be ignored.

getProvenance

public com.oracle.labs.mlrg.olcut.provenance.ConfiguredObjectProvenance getProvenance()

Specified by:

getProvenance in interface com.oracle.labs.mlrg.olcut.provenance.Provenancable<com.oracle.labs.mlrg.olcut.provenance.ConfiguredObjectProvenance>