Package org.apache.spark.sql.sources
Interface StreamSourceProvider
- All Known Subinterfaces:
SupportsStreamSourceMetadataColumns
public interface StreamSourceProvider
::Experimental::
Implemented by objects that can produce a streaming
Source for a specific format or system.
- Since:
- 2.0.0
-
Method Summary
Modifier and TypeMethodDescriptionorg.apache.spark.sql.execution.streaming.SourcecreateSource(SQLContext sqlContext, String metadataPath, scala.Option<StructType> schema, String providerName, scala.collection.immutable.Map<String, String> parameters) scala.Tuple2<String,StructType> sourceSchema(SQLContext sqlContext, scala.Option<StructType> schema, String providerName, scala.collection.immutable.Map<String, String> parameters) Returns the name and schema of the source that can be used to continually read data.
-
Method Details
-
createSource
org.apache.spark.sql.execution.streaming.Source createSource(SQLContext sqlContext, String metadataPath, scala.Option<StructType> schema, String providerName, scala.collection.immutable.Map<String, String> parameters) - Parameters:
sqlContext- (undocumented)metadataPath- (undocumented)schema- (undocumented)providerName- (undocumented)parameters- (undocumented)- Returns:
- (undocumented)
- Since:
- 2.0.0
-
sourceSchema
scala.Tuple2<String,StructType> sourceSchema(SQLContext sqlContext, scala.Option<StructType> schema, String providerName, scala.collection.immutable.Map<String, String> parameters) Returns the name and schema of the source that can be used to continually read data.- Parameters:
sqlContext- (undocumented)schema- (undocumented)providerName- (undocumented)parameters- (undocumented)- Returns:
- (undocumented)
- Since:
- 2.0.0
-