alluxio.master.predicate

Class DatePredicate

java.lang.Object

alluxio.master.predicate.DatePredicate

All Implemented Interfaces:

FilePredicate

public class DatePredicate
extends Object
implements FilePredicate

A predicate related to date of the file.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DatePredicate.Factory Factory for creating instances.
static class	DatePredicate.LastModifiedDateFactory Factory for modification time predicate.

Field Summary

Fields inherited from interface alluxio.master.predicate.FilePredicate

ALL_FACTORIES

Constructor Summary

Constructors

Constructor and Description
DatePredicate(String filterName, String value, java.util.function.Function<FileInfo,Long> getter) Creates an instance.

Method Summary

Modifier and Type	Method and Description
java.util.function.Predicate<FileInfo>	get() Get the predicate function from the file predicate.

Methods inherited from class java.lang.Object

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

Methods inherited from interface alluxio.master.predicate.FilePredicate

create

Constructor Detail

DatePredicate

public DatePredicate(String filterName,
                     String value,
                     java.util.function.Function<FileInfo,Long> getter)

Creates an instance.

Parameters:

filterName - the filter name

value - the string representation of the time span. The string should contain either one date like "2020/03/01" to define an interval after a start date, or two dates delimited by comma like "2000/01/01, 2020/09/01" to define an interval between a start date and an end date

getter - a getter function that returns the timestamp to compare against

Method Detail

get

public java.util.function.Predicate<FileInfo> get()

Description copied from interface: FilePredicate

Get the predicate function from the file predicate.

Specified by:

get in interface FilePredicate

Returns:

the predicate function