io.druid.segment.filter

Class Filters

java.lang.Object

io.druid.segment.filter.Filters

public class Filters
extends Object

Constructor Summary

Constructors

Constructor and Description
Filters()

Method Summary

Modifier and Type	Method and Description
static com.metamx.collections.bitmap.ImmutableBitmap	matchPredicate(String dimension, BitmapIndexSelector selector, com.google.common.base.Predicate<String> predicate) Return the union of bitmaps for all values matching a particular predicate.
static Filter	toFilter(DimFilter dimFilter) Convert a DimFilter to a Filter.
static List<Filter>	toFilters(List<DimFilter> dimFilters) Convert a list of DimFilters to a list of Filters.

Methods inherited from class java.lang.Object

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

Constructor Detail

Filters

public Filters()

Method Detail

toFilters

public static List<Filter> toFilters(List<DimFilter> dimFilters)

Convert a list of DimFilters to a list of Filters.

Parameters:

dimFilters - list of DimFilters, should all be non-null

Returns:

list of Filters

toFilter

public static Filter toFilter(DimFilter dimFilter)

Convert a DimFilter to a Filter.

Parameters:

dimFilter - dimFilter

Returns:

converted filter, or null if input was null

matchPredicate

public static com.metamx.collections.bitmap.ImmutableBitmap matchPredicate(String dimension,
                                                                           BitmapIndexSelector selector,
                                                                           com.google.common.base.Predicate<String> predicate)

Return the union of bitmaps for all values matching a particular predicate.

Parameters:

dimension - dimension to look at

selector - bitmap selector

predicate - predicate to use

Returns:

bitmap of matching rows