io.druid.segment.filter

Class NotFilter

java.lang.Object

io.druid.segment.filter.NotFilter

All Implemented Interfaces:

Filter

public class NotFilter
extends Object
implements Filter

Constructor Summary

Constructors

Constructor and Description
NotFilter(Filter baseFilter)

Method Summary

Modifier and Type	Method and Description
Filter	getBaseFilter()
com.metamx.collections.bitmap.ImmutableBitmap	getBitmapIndex(BitmapIndexSelector selector) Get a bitmap index, indicating rows that match this filter.
ValueMatcher	makeMatcher(ValueMatcherFactory factory) Get a ValueMatcher that applies this filter to row values.
boolean	supportsBitmapIndex(BitmapIndexSelector selector) Indicates whether this filter can return a bitmap index for filtering, based on the information provided by the input BitmapIndexSelector.

Methods inherited from class java.lang.Object

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

Constructor Detail

NotFilter

public NotFilter(Filter baseFilter)

Method Detail

getBitmapIndex

public com.metamx.collections.bitmap.ImmutableBitmap getBitmapIndex(BitmapIndexSelector selector)

Description copied from interface: Filter

Get a bitmap index, indicating rows that match this filter.

Specified by:

getBitmapIndex in interface Filter

Parameters:

selector - Object used to retrieve bitmap indexes

Returns:

A bitmap indicating rows that match this filter.

makeMatcher

public ValueMatcher makeMatcher(ValueMatcherFactory factory)

Description copied from interface: Filter

Get a ValueMatcher that applies this filter to row values.

Specified by:

makeMatcher in interface Filter

Parameters:

factory - Object used to create ValueMatchers

Returns:

ValueMatcher that applies this filter to row values.

supportsBitmapIndex

public boolean supportsBitmapIndex(BitmapIndexSelector selector)

Description copied from interface: Filter

Indicates whether this filter can return a bitmap index for filtering, based on the information provided by the input BitmapIndexSelector.

Specified by:

supportsBitmapIndex in interface Filter

Parameters:

selector - Object used to retrieve bitmap indexes

Returns:

true if this Filter can provide a bitmap index using the selector, false otherwise

getBaseFilter

public Filter getBaseFilter()