com.bigdata.service.geospatial

Class ZOrderIndexBigMinAdvancer

java.lang.Object

cutthecrap.utils.striterators.FilterBase

com.bigdata.btree.filter.Advancer<SPO>

com.bigdata.service.geospatial.ZOrderIndexBigMinAdvancer

All Implemented Interfaces:

ITupleFilter<SPO>, IFilter, IPropertySet, Serializable, Cloneable

public class ZOrderIndexBigMinAdvancer
extends Advancer<SPO>

Advances the cursor to the next zOrderKey that is greater or equal than the first point in the next region. Note that this next key is not necessarily a hit (but, depending on the data) this might be a miss again.

Author:

Bryan Thompson

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected static boolean	DEBUG

Fields inherited from class com.bigdata.btree.filter.Advancer

src

Constructor Summary

Constructors

Constructor and Description
ZOrderIndexBigMinAdvancer(byte[] searchMinZOrder, byte[] searchMaxZOrder, GeoSpatialLiteralExtension<BigdataValue> litExt, int zOrderComponentPos, GeoSpatialCounters geoSpatialCounters)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	advance(ITuple<SPO> tuple) Offers an opportunity to advance the source ITupleCursor to a new key using {@link ITupleCursor#seek(byte[]).

Methods inherited from class com.bigdata.btree.filter.Advancer

filterOnce, init

Methods inherited from class cutthecrap.utils.striterators.FilterBase

addFilter, filter, getProperty, getRequiredProperty, setProperty, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface cutthecrap.utils.striterators.IFilter

filter

Methods inherited from interface cutthecrap.utils.striterators.IPropertySet

getProperty

Field Detail

DEBUG

protected static final boolean DEBUG

Constructor Detail

ZOrderIndexBigMinAdvancer

public ZOrderIndexBigMinAdvancer(byte[] searchMinZOrder,
                         byte[] searchMaxZOrder,
                         GeoSpatialLiteralExtension<BigdataValue> litExt,
                         int zOrderComponentPos,
                         GeoSpatialCounters geoSpatialCounters)

Method Detail

advance

protected void advance(ITuple<SPO> tuple)

Description copied from class: Advancer

Offers an opportunity to advance the source ITupleCursor to a new key using {@link ITupleCursor#seek(byte[]).

Specified by:

advance in class Advancer<SPO>

Parameters:

tuple - The current value.