com.mapr.ojai.store.impl

Class LimitStream

java.lang.Object

com.mapr.ojai.store.impl.AbstractDocumentStream

com.mapr.ojai.store.impl.AbstractDocumentFilter

com.mapr.ojai.store.impl.LimitStream

All Implemented Interfaces:

com.mapr.db.impl.OjaiQueryProperties, PipelineControl, java.lang.AutoCloseable, java.lang.Iterable<org.ojai.Document>, org.ojai.DocumentStream

public class LimitStream
extends AbstractDocumentFilter

Filter that only returns documents after a certain number have already passed.

Nested Class Summary

Nested classes/interfaces inherited from interface com.mapr.db.impl.OjaiQueryProperties

com.mapr.db.impl.OjaiQueryProperties.QueryPath

Field Summary

Fields inherited from class com.mapr.ojai.store.impl.AbstractDocumentFilter

docIter, upstreamStream

Fields inherited from class com.mapr.ojai.store.impl.AbstractDocumentStream

isUsed

Constructor Summary

Constructors

Constructor and Description
LimitStream(org.ojai.DocumentStream upstreamStream, long limit) Constructor.

Method Summary

Modifier and Type	Method and Description
void	getQueryPlan(java.util.List<java.util.Map<java.lang.String,java.lang.Object>> planList)
java.util.Iterator<org.ojai.Document>	iterator()

Methods inherited from class com.mapr.ojai.store.impl.AbstractDocumentFilter

closeDerived, getIndexUsed, getQueryPath, getQueryPlan, setDesiredRows

Methods inherited from class com.mapr.ojai.store.impl.AbstractDocumentStream

cancelQuery, checkState, close, documentReaders, isCanceled, isClosed, streamTo

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

LimitStream

public LimitStream(org.ojai.DocumentStream upstreamStream,
                   long limit)

Constructor.

Parameters:

upstreamStream - the upstream document source

executorService - an ExecutorService that can be used for asynchronous streaming

limit - how many documents to skip over

Method Detail

iterator

public java.util.Iterator<org.ojai.Document> iterator()

Specified by:

iterator in interface java.lang.Iterable<org.ojai.Document>

Specified by:

iterator in interface org.ojai.DocumentStream

Overrides:

iterator in class AbstractDocumentFilter

getQueryPlan

public void getQueryPlan(java.util.List<java.util.Map<java.lang.String,java.lang.Object>> planList)