Package org.apache.solr.handler.export
Class ExportWriterStream
- java.lang.Object
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- org.apache.solr.client.solrj.io.stream.TupleStream
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- org.apache.solr.handler.export.ExportWriterStream
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- All Implemented Interfaces:
Closeable
,Serializable
,AutoCloseable
,org.apache.solr.client.solrj.io.stream.expr.Expressible
,org.apache.solr.common.MapSerializable
,org.apache.solr.common.MapWriter
,org.apache.solr.common.NavigableObject
public class ExportWriterStream extends org.apache.solr.client.solrj.io.stream.TupleStream implements org.apache.solr.client.solrj.io.stream.expr.Expressible
Stream implementation that helps supporting 'expr' streaming in export writer.Note: this class is made public only to allow access from
ExportHandler
, it should be treated as an internal detail of implementation.- See Also:
- Serialized Form
- WARNING: This API is experimental and might change in incompatible ways in the next release.
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Constructor Summary
Constructors Constructor Description ExportWriterStream(org.apache.solr.client.solrj.io.stream.expr.StreamExpression expression, org.apache.solr.client.solrj.io.stream.expr.StreamFactory factory)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description List<org.apache.solr.client.solrj.io.stream.TupleStream>
children()
void
close()
org.apache.solr.client.solrj.io.comp.StreamComparator
getStreamSort()
void
open()
org.apache.solr.client.solrj.io.Tuple
read()
void
setStreamContext(org.apache.solr.client.solrj.io.stream.StreamContext context)
NOTE: this context must contain an instance ofExportBuffers
under theExportBuffers.EXPORT_BUFFERS_KEY
key.org.apache.solr.client.solrj.io.stream.expr.Explanation
toExplanation(org.apache.solr.client.solrj.io.stream.expr.StreamFactory factory)
org.apache.solr.client.solrj.io.stream.expr.StreamExpressionParameter
toExpression(org.apache.solr.client.solrj.io.stream.expr.StreamFactory factory)
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Methods inherited from class org.apache.solr.client.solrj.io.stream.TupleStream
getCost, getShards, getShards, getStreamNodeId, writeMap
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Constructor Detail
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ExportWriterStream
public ExportWriterStream(org.apache.solr.client.solrj.io.stream.expr.StreamExpression expression, org.apache.solr.client.solrj.io.stream.expr.StreamFactory factory) throws IOException
- Throws:
IOException
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Method Detail
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setStreamContext
public void setStreamContext(org.apache.solr.client.solrj.io.stream.StreamContext context)
NOTE: this context must contain an instance ofExportBuffers
under theExportBuffers.EXPORT_BUFFERS_KEY
key.- Specified by:
setStreamContext
in classorg.apache.solr.client.solrj.io.stream.TupleStream
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children
public List<org.apache.solr.client.solrj.io.stream.TupleStream> children()
- Specified by:
children
in classorg.apache.solr.client.solrj.io.stream.TupleStream
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open
public void open() throws IOException
- Specified by:
open
in classorg.apache.solr.client.solrj.io.stream.TupleStream
- Throws:
IOException
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close
public void close() throws IOException
- Specified by:
close
in interfaceAutoCloseable
- Specified by:
close
in interfaceCloseable
- Specified by:
close
in classorg.apache.solr.client.solrj.io.stream.TupleStream
- Throws:
IOException
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read
public org.apache.solr.client.solrj.io.Tuple read() throws IOException
- Specified by:
read
in classorg.apache.solr.client.solrj.io.stream.TupleStream
- Throws:
IOException
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getStreamSort
public org.apache.solr.client.solrj.io.comp.StreamComparator getStreamSort()
- Specified by:
getStreamSort
in classorg.apache.solr.client.solrj.io.stream.TupleStream
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toExpression
public org.apache.solr.client.solrj.io.stream.expr.StreamExpressionParameter toExpression(org.apache.solr.client.solrj.io.stream.expr.StreamFactory factory) throws IOException
- Specified by:
toExpression
in interfaceorg.apache.solr.client.solrj.io.stream.expr.Expressible
- Throws:
IOException
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toExplanation
public org.apache.solr.client.solrj.io.stream.expr.Explanation toExplanation(org.apache.solr.client.solrj.io.stream.expr.StreamFactory factory) throws IOException
- Specified by:
toExplanation
in interfaceorg.apache.solr.client.solrj.io.stream.expr.Expressible
- Specified by:
toExplanation
in classorg.apache.solr.client.solrj.io.stream.TupleStream
- Throws:
IOException
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