org.canova.api.records.writer.impl

Class FileRecordWriter

java.lang.Object

org.canova.api.records.writer.impl.FileRecordWriter

All Implemented Interfaces:

Closeable, AutoCloseable, Configurable, RecordWriter

Direct Known Subclasses:

CSVRecordWriter, LineRecordWriter, MatlabRecordWriter, SVMLightRecordWriter

public class FileRecordWriter
extends Object
implements RecordWriter

Write to files. To set the path and configuration via configuration: writeTo: org.canova.api.records.writer.path This is the path used to write to

Author:

Adam Gibson

Field Summary

Fields

Modifier and Type	Field and Description
protected Configuration	conf
static String	NEW_LINE
protected DataOutputStream	out
static String	PATH
protected File	writeTo

Fields inherited from interface org.canova.api.records.writer.RecordWriter

APPEND

Constructor Summary

Constructors

Constructor and Description
FileRecordWriter()
FileRecordWriter(Configuration conf) Initialized based on configuration Set the following attributes in the conf:
FileRecordWriter(File path)
FileRecordWriter(File path, boolean append)

Method Summary

Modifier and Type	Method and Description
void	close() Close the recod reader
Configuration	getConf() Return the configuration used by this object.
void	setConf(Configuration conf) Set the configuration to be used by this object.
void	write(Collection<Writable> record) Write a record

Methods inherited from class java.lang.Object

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

Field Detail

writeTo

protected File writeTo

out

protected DataOutputStream out

NEW_LINE

public static final String NEW_LINE

See Also:

Constant Field Values

PATH

public static final String PATH

See Also:

Constant Field Values

conf

protected Configuration conf

Constructor Detail

FileRecordWriter

public FileRecordWriter()

FileRecordWriter

public FileRecordWriter(File path)
                 throws FileNotFoundException

Throws:

FileNotFoundException

FileRecordWriter

public FileRecordWriter(File path,
                        boolean append)
                 throws FileNotFoundException

Throws:

FileNotFoundException

FileRecordWriter

public FileRecordWriter(Configuration conf)
                 throws FileNotFoundException

Initialized based on configuration Set the following attributes in the conf:

Parameters:

conf - the configuration to use

Throws:

FileNotFoundException

Method Detail

write

public void write(Collection<Writable> record)
           throws IOException

Description copied from interface: RecordWriter

Write a record

Specified by:

write in interface RecordWriter

Parameters:

record - the record to write

Throws:

IOException

close

public void close()

Description copied from interface: RecordWriter

Close the recod reader

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface RecordWriter

setConf

public void setConf(Configuration conf)

Description copied from interface: Configurable

Set the configuration to be used by this object.

Specified by:

setConf in interface Configurable

getConf

public Configuration getConf()

Description copied from interface: Configurable

Return the configuration used by this object.

Specified by:

getConf in interface Configurable