com.mapr.ojai.store.impl

Class DrillPostludeFilter

java.lang.Object

com.mapr.ojai.store.impl.AbstractDocumentStream

com.mapr.ojai.store.impl.AbstractDocumentFilter

com.mapr.ojai.store.impl.DrillPostludeFilter

All Implemented Interfaces:

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

public class DrillPostludeFilter
extends AbstractDocumentFilter

Document filter that can be used to send directives to Drill after a query; the intention is to be able to reset session options after a query completes. The downstream DocumentListener does not have to wait for the Drill postlude to complete before it will be alerted that the query has completed.

See Also:

DrillPreludeFilter

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
DrillPostludeFilter(org.ojai.DocumentStream upstreamStream, OjaiConnection ojaiConnection, SharedDrillSession sharedDrillSession, java.lang.String sql)

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

DrillPostludeFilter

public DrillPostludeFilter(org.ojai.DocumentStream upstreamStream,
                           OjaiConnection ojaiConnection,
                           SharedDrillSession sharedDrillSession,
                           java.lang.String sql)

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)