org.easybatch.core.filter

Class GrepFilter

java.lang.Object

org.easybatch.core.filter.GrepFilter

All Implemented Interfaces:

RecordFilter<StringRecord>, RecordProcessor<StringRecord,StringRecord>

public class GrepFilter
extends Object
implements RecordFilter<StringRecord>

Convenient filter that mimics the unix grep utility: it keeps records containing the given pattern instead of filtering them.

Should be used with StringRecord type. Search is case sensitive.

Author:

Mahmoud Ben Hassine (mahmoud@benhassine.fr)

Constructor Summary

Constructors

Constructor and Description
GrepFilter(String pattern) Create a GrepFilter instance.

Method Summary

Methods

Modifier and Type	Method and Description
StringRecord	processRecord(StringRecord record) Filter a record.

Methods inherited from class java.lang.Object

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

Constructor Detail

GrepFilter

public GrepFilter(String pattern)

Create a GrepFilter instance.

Parameters:

pattern - the pattern to look for

Method Detail

processRecord

public StringRecord processRecord(StringRecord record)

Description copied from interface: RecordFilter

Filter a record.

Specified by:

processRecord in interface RecordFilter<StringRecord>

Specified by:

processRecord in interface RecordProcessor<StringRecord,StringRecord>

Parameters:

record - the record to filter.

Returns:

the input record if it should continue in the pipeline or null if the record should be filtered