Package com.atgenomix.seqslab.piper.plugin.api.writer

Interface SupportsSaveToJDBC

All Superinterfaces:

AutoCloseable, Closeable, Operator, OperatorPipelineV3, Serializable, org.apache.spark.sql.api.java.UDF2<org.apache.spark.sql.Dataset<org.apache.spark.sql.Row>,Boolean,Void>, Writer

@DeveloperApi
@FeatureBeforeCall
public interface SupportsSaveToJDBC
extends Writer

The mix-in interface for Writer. Dataset writers can implement this interface to support saving the content of the DataFrame to an external database table via JDBC. This feature is invoked before applying Writer's call function.

Method Summary

Modifier and Type	Method	Description
Writer	save(String url, String table, Properties connectionProperties)	Sets the target database connection with which the DataFrame will be saved.

Methods inherited from interface java.io.Closeable

close

Methods inherited from interface com.atgenomix.seqslab.piper.plugin.api.Operator

getName, getOperatorContext

Methods inherited from interface org.apache.spark.sql.api.java.UDF2

call

Methods inherited from interface com.atgenomix.seqslab.piper.plugin.api.writer.Writer

getDataSource, init

Method Details

save

Writer save(String url,
 String table,
 Properties connectionProperties)

Sets the target database connection with which the DataFrame will be saved.

Parameters:

url - JDBC database url of the form jdbc:subprotocol:subname

table - Name of the table in the external database.

connectionProperties - Connection arguments, a list of arbitrary string key/value

Returns:

The writer object itself