public class ModelStream extends TupleStream implements Expressible
TupleStream.IgnoreException
MapWriter.EntryWriter
Modifier and Type | Field and Description |
---|---|
protected long |
cacheMillis |
protected String |
collection |
protected Tuple |
model |
protected ModelCache |
modelCache |
protected String |
modelID |
protected SolrClientCache |
solrClientCache |
protected String |
zkHost |
Constructor and Description |
---|
ModelStream(StreamExpression expression,
StreamFactory factory) |
ModelStream(String zkHost,
String collectionName,
String modelID,
long cacheMillis) |
Modifier and Type | Method and Description |
---|---|
List<TupleStream> |
children() |
void |
close() |
StreamComparator |
getStreamSort()
Return the stream sort - ie, the order in which records are returned
|
void |
open() |
Tuple |
read() |
void |
setStreamContext(StreamContext context) |
Explanation |
toExplanation(StreamFactory factory)
Returns an explanation about the stream object
|
StreamExpressionParameter |
toExpression(StreamFactory factory) |
getCost, getShards, getStreamNodeId, writeMap
protected String zkHost
protected String collection
protected String modelID
protected ModelCache modelCache
protected SolrClientCache solrClientCache
protected Tuple model
protected long cacheMillis
public ModelStream(String zkHost, String collectionName, String modelID, long cacheMillis) throws IOException
IOException
public ModelStream(StreamExpression expression, StreamFactory factory) throws IOException
IOException
public StreamExpressionParameter toExpression(StreamFactory factory) throws IOException
toExpression
in interface Expressible
IOException
public void setStreamContext(StreamContext context)
setStreamContext
in class TupleStream
public void open() throws IOException
open
in class TupleStream
IOException
public List<TupleStream> children()
children
in class TupleStream
public void close() throws IOException
close
in interface Closeable
close
in interface AutoCloseable
close
in class TupleStream
IOException
public StreamComparator getStreamSort()
getStreamSort
in class TupleStream
public Explanation toExplanation(StreamFactory factory) throws IOException
Expressible
toExplanation
in interface Expressible
toExplanation
in class TupleStream
factory
- Stream factory for this, contains information about the function nameIOException
- throw on any errorpublic Tuple read() throws IOException
read
in class TupleStream
IOException
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