Package org.dflib.parquet

Class Parquet

java.lang.Object

org.dflib.parquet.Parquet

public class Parquet
extends Object

Constructor Summary

Constructors

Constructor	Description
Parquet()

Method Summary

Modifier and Type	Method	Description
static DataFrame	load(File file)
static DataFrame	load(String filePath)
static DataFrame	load(Path filePath)
static DataFrame	load(ByteSource src)
static Map<String,DataFrame>	loadAll(ByteSources src)
static ParquetLoader	loader()
static org.apache.parquet.schema.MessageType	loadSchema(File file)
static org.apache.parquet.schema.MessageType	loadSchema(String filePath)
static org.apache.parquet.schema.MessageType	loadSchema(Path filePath)
static void	save(DataFrame df, File file)
static void	save(DataFrame df, String filePath)
static void	save(DataFrame df, Path filePath)
static ParquetSaver	saver()
static ParquetSchemaLoader	schemaLoader()

Methods inherited from class java.lang.Object

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

Constructor Details

Parquet

public Parquet()

Method Details

load

public static DataFrame load(File file)

load

public static DataFrame load(Path filePath)

load

public static DataFrame load(String filePath)

load

public static DataFrame load(ByteSource src)

Since:

1.1.0

loadAll

public static Map<String,DataFrame> loadAll(ByteSources src)

Since:

1.1.0

loadSchema

public static org.apache.parquet.schema.MessageType loadSchema(File file)

loadSchema

public static org.apache.parquet.schema.MessageType loadSchema(Path filePath)

loadSchema

public static org.apache.parquet.schema.MessageType loadSchema(String filePath)

save

public static void save(DataFrame df,
 Path filePath)

save

public static void save(DataFrame df,
 String filePath)

save

public static void save(DataFrame df,
 File file)

saver

public static ParquetSaver saver()

loader

public static ParquetLoader loader()

schemaLoader

public static ParquetSchemaLoader schemaLoader()