Package org.openstreetmap.atlas.checks.event

Class FileProcessor<T extends Event>

java.lang.Object

org.openstreetmap.atlas.checks.event.FileProcessor<T>

Type Parameters:

T - type that is going to be processed

All Implemented Interfaces:

Processor<T>

Direct Known Subclasses:

CheckFlagFileProcessor, CheckFlagTippecanoeProcessor, MetricFileGenerator

public abstract class FileProcessor<T extends Event>
extends java.lang.Object
implements Processor<T>

A useful base class to handle common functionality for file processors.

Field Summary

Fields

Modifier and Type	Field	Description
static int	BATCH_SIZE

Constructor Summary

Constructors

Constructor	Description
FileProcessor(org.openstreetmap.atlas.generator.tools.spark.utilities.SparkFileHelper fileHelper, java.lang.String directory)	Default constructor

Method Summary

Modifier and Type	Method	Description
boolean	doesCompressOutput()
int	getBatchSize()
int	getCount()
protected java.lang.String	getFilename()
void	process(java.lang.String event)	Processes given String and writes batched events into a file if needed
void	setBatchSize(int batchSize)	Sets batch size to given value
FileProcessor<T>	withCompression(boolean compress)	Sets whether or not output files are compressed
protected void	write()	Writes a new file with the cached in String buffer

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openstreetmap.atlas.checks.event.Processor

process, process

Field Detail

BATCH_SIZE

public static final int BATCH_SIZE

See Also:

Constant Field Values

Constructor Detail

FileProcessor

public FileProcessor(org.openstreetmap.atlas.generator.tools.spark.utilities.SparkFileHelper fileHelper,
                     java.lang.String directory)

Default constructor

Parameters:

fileHelper - SparkFileHelper instance for I/O operations

directory - directory path to write files to

Method Detail

doesCompressOutput

public boolean doesCompressOutput()

getBatchSize

public int getBatchSize()

Returns:

the maximum number of events to be batched in a file

getCount

public final int getCount()

Returns:

the number of events processed in the current batch

process

public void process(java.lang.String event)

Processes given String and writes batched events into a file if needed

Parameters:

event - a character set to process

setBatchSize

public void setBatchSize(int batchSize)

Sets batch size to given value

Parameters:

batchSize - New batch size

withCompression

public FileProcessor<T> withCompression(boolean compress)

Sets whether or not output files are compressed

Parameters:

compress - value to set

Returns:

the FileProcessor

getFilename

protected java.lang.String getFilename()

Returns:

the name of the file to be used in #write() method to write files

write

protected void write()

Writes a new file with the cached in String buffer