org.apache.nifi.csv

Class CSVSchemaInference

java.lang.Object

org.apache.nifi.csv.CSVSchemaInference

All Implemented Interfaces:

SchemaInferenceEngine<CSVRecordAndFieldNames>

public class CSVSchemaInference
extends Object
implements SchemaInferenceEngine<CSVRecordAndFieldNames>

Field Summary

Fields

Modifier and Type	Field and Description
private TimeValueInference	timeValueInference

Constructor Summary

Constructors

Constructor and Description
CSVSchemaInference(TimeValueInference timeValueInference)

Method Summary

Modifier and Type	Method and Description
private RecordSchema	createSchema(Map<String,FieldTypeInference> inferences)
private DataType	getDataType(String value)
private void	inferSchema(CSVRecordAndFieldNames recordAndFieldNames, Map<String,FieldTypeInference> typeMap)
RecordSchema	inferSchema(RecordSource<CSVRecordAndFieldNames> recordSource)
private String	trim(String value)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

timeValueInference

private final TimeValueInference timeValueInference

Constructor Detail

CSVSchemaInference

public CSVSchemaInference(TimeValueInference timeValueInference)

Method Detail

inferSchema

public RecordSchema inferSchema(RecordSource<CSVRecordAndFieldNames> recordSource)
                         throws IOException

Specified by:

inferSchema in interface SchemaInferenceEngine<CSVRecordAndFieldNames>

Throws:

IOException

inferSchema

private void inferSchema(CSVRecordAndFieldNames recordAndFieldNames,
                         Map<String,FieldTypeInference> typeMap)

trim

private String trim(String value)

getDataType

private DataType getDataType(String value)

createSchema

private RecordSchema createSchema(Map<String,FieldTypeInference> inferences)