org.apache.nifi.csv

Class WriteCSVResult

java.lang.Object

org.apache.nifi.serialization.AbstractRecordSetWriter

org.apache.nifi.csv.WriteCSVResult

All Implemented Interfaces:

Closeable, AutoCloseable, RawRecordWriter, RecordSetWriter, RecordWriter

public class WriteCSVResult
extends AbstractRecordSetWriter
implements RecordSetWriter, RawRecordWriter

Field Summary

Fields

Modifier and Type	Field and Description
private String	dateFormat
private String[]	fieldNames
private Object[]	fieldValues
private boolean	headerWritten
private boolean	includeHeaderLine
private org.apache.commons.csv.CSVPrinter	printer
private RecordSchema	recordSchema
private SchemaAccessWriter	schemaWriter
private String	timeFormat
private String	timestampFormat

Constructor Summary

Constructors

Constructor and Description
WriteCSVResult(org.apache.commons.csv.CSVFormat csvFormat, RecordSchema recordSchema, SchemaAccessWriter schemaWriter, OutputStream out, String dateFormat, String timeFormat, String timestampFormat, boolean includeHeaderLine, String charSet)

Method Summary

Modifier and Type	Method and Description
void	close()
void	flush()
private String[]	getFieldNames(Record record)
private String	getFormat(RecordField field)
String	getMimeType()
private void	includeHeaderIfNecessary(Record record, boolean includeOnlySchemaFields)
protected void	onBeginRecordSet()
protected Map<String,String>	onFinishRecordSet()
WriteResult	writeRawRecord(Record record)
Map<String,String>	writeRecord(Record record)

Methods inherited from class org.apache.nifi.serialization.AbstractRecordSetWriter

beginRecordSet, finishRecordSet, getOutputStream, getRecordCount, incrementRecordCount, isActiveRecordSet, write, write

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.nifi.serialization.RecordSetWriter

beginRecordSet, finishRecordSet, write

Methods inherited from interface org.apache.nifi.serialization.RecordWriter

write

Field Detail

recordSchema

private final RecordSchema recordSchema

schemaWriter

private final SchemaAccessWriter schemaWriter

dateFormat

private final String dateFormat

timeFormat

private final String timeFormat

timestampFormat

private final String timestampFormat

printer

private final org.apache.commons.csv.CSVPrinter printer

fieldValues

private final Object[] fieldValues

includeHeaderLine

private final boolean includeHeaderLine

headerWritten

private boolean headerWritten

fieldNames

private String[] fieldNames

Constructor Detail

WriteCSVResult

public WriteCSVResult(org.apache.commons.csv.CSVFormat csvFormat,
                      RecordSchema recordSchema,
                      SchemaAccessWriter schemaWriter,
                      OutputStream out,
                      String dateFormat,
                      String timeFormat,
                      String timestampFormat,
                      boolean includeHeaderLine,
                      String charSet)
               throws IOException

Throws:

IOException

Method Detail

getFormat

private String getFormat(RecordField field)

onBeginRecordSet

protected void onBeginRecordSet()
                         throws IOException

Overrides:

onBeginRecordSet in class AbstractRecordSetWriter

Throws:

IOException

onFinishRecordSet

protected Map<String,String> onFinishRecordSet()
                                        throws IOException

Overrides:

onFinishRecordSet in class AbstractRecordSetWriter

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class AbstractRecordSetWriter

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface RecordWriter

Overrides:

flush in class AbstractRecordSetWriter

Throws:

IOException

getFieldNames

private String[] getFieldNames(Record record)

includeHeaderIfNecessary

private void includeHeaderIfNecessary(Record record,
                                      boolean includeOnlySchemaFields)
                               throws IOException

Throws:

IOException

writeRecord

public Map<String,String> writeRecord(Record record)
                               throws IOException

Specified by:

writeRecord in class AbstractRecordSetWriter

Throws:

IOException

writeRawRecord

public WriteResult writeRawRecord(Record record)
                           throws IOException

Specified by:

writeRawRecord in interface RawRecordWriter

Throws:

IOException

getMimeType

public String getMimeType()

Specified by:

getMimeType in interface RecordWriter