org.apache.solr.client.solrj.io.stream

Class UpdateStream

java.lang.Object

org.apache.solr.client.solrj.io.stream.TupleStream

org.apache.solr.client.solrj.io.stream.UpdateStream

All Implemented Interfaces:

Closeable, Serializable, AutoCloseable, Expressible, MapSerializable, MapWriter, NavigableObject

Direct Known Subclasses:

DeleteStream

public class UpdateStream
extends TupleStream
implements Expressible

Sends tuples emitted by a wrapped TupleStream as updates to a SolrCloud collection.

Since:

6.0.0

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.solr.client.solrj.io.stream.TupleStream

TupleStream.IgnoreException

Nested classes/interfaces inherited from interface org.apache.solr.common.MapWriter

MapWriter.EntryWriter

Field Summary

Fields

Modifier and Type	Field and Description
static String	BATCH_INDEXED_FIELD_NAME

Constructor Summary

Constructors

Constructor and Description
UpdateStream(StreamExpression expression, StreamFactory factory)
UpdateStream(String collectionName, TupleStream tupleSource, String zkHost, int updateBatchSize)

Method Summary

Modifier and Type	Method and Description
List<TupleStream>	children()
void	close()
protected boolean	defaultPruneVersionField() Used during initialization to specify the default value for the "pruneVersionField" option.
protected CloudSolrClient	getCloudSolrClient() Only viable after calling open()
protected String	getCollectionName() The name of the collection being updated
StreamComparator	getStreamSort()
void	open()
Tuple	read()
void	setStreamContext(StreamContext context)
Explanation	toExplanation(StreamFactory factory) Returns an explanation about the stream object
StreamExpression	toExpression(StreamFactory factory)
protected void	uploadBatchToCollection(List<SolrInputDocument> documentBatch) This method will be called on every batch of tuples comsumed, after converting each tuple in that batch to a Solr Input Document.

Methods inherited from class org.apache.solr.client.solrj.io.stream.TupleStream

getCost, getShards, getShards, getStreamNodeId, writeMap

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.solr.common.MapWriter

jsonStr, toMap

Methods inherited from interface org.apache.solr.common.NavigableObject

_forEachEntry, _forEachEntry, _forEachEntry, _get, _get, _getStr, _getStr, _size

Field Detail

BATCH_INDEXED_FIELD_NAME

public static String BATCH_INDEXED_FIELD_NAME

Constructor Detail

UpdateStream

public UpdateStream(StreamExpression expression,
                    StreamFactory factory)
             throws IOException

Throws:

IOException

UpdateStream

public UpdateStream(String collectionName,
                    TupleStream tupleSource,
                    String zkHost,
                    int updateBatchSize)
             throws IOException

Throws:

IOException

Method Detail

getCollectionName

protected String getCollectionName()

The name of the collection being updated

open

public void open()
          throws IOException

Specified by:

open in class TupleStream

Throws:

IOException

read

public Tuple read()
           throws IOException

Specified by:

read in class TupleStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class TupleStream

Throws:

IOException

getStreamSort

public StreamComparator getStreamSort()

Specified by:

getStreamSort in class TupleStream

children

public List<TupleStream> children()

Specified by:

children in class TupleStream

toExpression

public StreamExpression toExpression(StreamFactory factory)
                              throws IOException

Specified by:

toExpression in interface Expressible

Throws:

IOException

toExplanation

public Explanation toExplanation(StreamFactory factory)
                          throws IOException

Description copied from interface: Expressible

Returns an explanation about the stream object

Specified by:

toExplanation in interface Expressible

Specified by:

toExplanation in class TupleStream

Parameters:

factory - Stream factory for this, contains information about the function name

Returns:

Explanation about this stream object containing explanations of any child stream objects

Throws:

IOException - throw on any error

setStreamContext

public void setStreamContext(StreamContext context)

Specified by:

setStreamContext in class TupleStream

defaultPruneVersionField

protected boolean defaultPruneVersionField()

Used during initialization to specify the default value for the "pruneVersionField" option. UpdateStream returns true for backcompat and to simplify slurping of data from one collection to another.

getCloudSolrClient

protected CloudSolrClient getCloudSolrClient()

Only viable after calling open()

uploadBatchToCollection

protected void uploadBatchToCollection(List<SolrInputDocument> documentBatch)
                                throws IOException

This method will be called on every batch of tuples comsumed, after converting each tuple in that batch to a Solr Input Document.

Throws:

IOException