io.cdap.cdap.etl.api.batch

Interface BatchConnector<KEY_IN,VAL_IN>

Type Parameters:

KEY_IN - the type of input key from the input format

VAL_IN - the type of input value from the input format

All Superinterfaces:

AutoCloseable, Closeable, Connector

public interface BatchConnector<KEY_IN,VAL_IN>
extends Connector

Batch connector that relies on the InputFormatProvider to read from the resources

Field Summary

Fields inherited from interface io.cdap.cdap.etl.api.connector.Connector

PLUGIN_TYPE

Method Summary

Modifier and Type	Method and Description
InputFormatProvider	getInputFormatProvider(ConnectorContext context, SampleRequest request) Return the input format this connector will use to do the sampling
io.cdap.cdap.api.data.format.StructuredRecord	transform(KEY_IN key, VAL_IN val) Transform the sampled key and value back to StructuredRecord

Methods inherited from interface io.cdap.cdap.etl.api.connector.Connector

browse, close, configure, generateSpec, test

Method Detail

getInputFormatProvider

InputFormatProvider getInputFormatProvider(ConnectorContext context,
                                           SampleRequest request)
                                    throws IOException

Return the input format this connector will use to do the sampling

Parameters:

context - context for the connector

Throws:

IOException - if unable to retrieve the input format provider

transform

io.cdap.cdap.api.data.format.StructuredRecord transform(KEY_IN key,
                                                        VAL_IN val)

Transform the sampled key and value back to StructuredRecord