org.apache.parquet.filter

Class PagedRecordFilter

java.lang.Object

org.apache.parquet.filter.PagedRecordFilter

All Implemented Interfaces:

RecordFilter

public final class PagedRecordFilter
extends Object
implements RecordFilter

Filter which will only materialize a page worth of results.

Method Summary

Modifier and Type	Method and Description
boolean	isMatch() Keeps track of how many times it is called.
static UnboundRecordFilter	page(long startPos, long pageSize) Returns builder for creating a paged query.

Methods inherited from class java.lang.Object

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

Method Detail

page

public static UnboundRecordFilter page(long startPos,
                                       long pageSize)

Returns builder for creating a paged query.

Parameters:

startPos - The record to start from, numbering starts at 1.

pageSize - The size of the page.

Returns:

a paged record filter

isMatch

public boolean isMatch()

Keeps track of how many times it is called. Only returns matches when the record number is in the range.

Specified by:

isMatch in interface RecordFilter

Returns:

true if the current value for the column reader matches the predicate.