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

Class DeleteStream

java.lang.Object

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

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

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

All Implemented Interfaces:

Closeable, Serializable, AutoCloseable, Expressible, org.apache.solr.common.MapSerializable, org.apache.solr.common.MapWriter, org.apache.solr.common.NavigableObject, org.noggit.JSONWriter.Writable

public final class DeleteStream
extends UpdateStream
implements Expressible

Uses tuples to identify the uniqueKey values of documents to be deleted

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

org.apache.solr.common.MapWriter.EntryWriter

Field Summary

Fields inherited from class org.apache.solr.client.solrj.io.stream.UpdateStream

BATCH_INDEXED_FIELD_NAME, clientCache, zkHost

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

EMPTY

Constructor Summary

Constructors

Constructor	Description
DeleteStream(StreamExpression expression, StreamFactory factory)

Method Summary

Modifier and Type	Method	Description
protected boolean	defaultPruneVersionField()	DeleteStream returns false so that Optimistic Concurrency Constraints are respected by default when using this stream to wrap a SearchStream query.
Explanation	toExplanation(StreamFactory factory)	Returns an explanation about the stream object
protected void	uploadBatchToCollection(List<org.apache.solr.common.SolrInputDocument> documentBatch)	Overrides implementation to extract the "id" and "_version_" (if included) from each document and use that information to construct a "Delete By Id" request.

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

children, close, getCollectionName, getStreamSort, open, read, setStreamContext, toExpression

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.client.solrj.io.stream.expr.Expressible

toExpression

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

jsonStr, toMap, write

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

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

Constructor Details

DeleteStream

public DeleteStream(StreamExpression expression,
 StreamFactory factory)
             throws IOException

Throws:

IOException

Method Details

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

Overrides:

toExplanation in class UpdateStream

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

defaultPruneVersionField

protected boolean defaultPruneVersionField()

DeleteStream returns false so that Optimistic Concurrency Constraints are respected by default when using this stream to wrap a SearchStream query.

Overrides:

defaultPruneVersionField in class UpdateStream

uploadBatchToCollection

protected void uploadBatchToCollection(List<org.apache.solr.common.SolrInputDocument> documentBatch)
                                throws IOException

Overrides implementation to extract the "id" and "_version_" (if included) from each document and use that information to construct a "Delete By Id" request. Any other fields (ie: Tuple values) are ignored.

Overrides:

uploadBatchToCollection in class UpdateStream

Throws:

IOException