Package it.bancaditalia.oss.vtl.impl.environment

Class CSVFileEnvironment

java.lang.Object

it.bancaditalia.oss.vtl.impl.environment.CSVFileEnvironment

All Implemented Interfaces:

Environment

Direct Known Subclasses:

CSVPathEnvironment

public class CSVFileEnvironment
extends Object
implements Environment

Constructor Summary

Constructors

Constructor	Description
CSVFileEnvironment()

Method Summary

Modifier and Type	Method	Description
boolean	contains(String name)	Checks if this environment provides a VTL object with the specified name.
static int	countLines(Reader is)
Optional<VTLValue>	getValue(String name)	Returns an Optional reference to a VTL object with the specified name in this environment.
Optional<VTLValueMetadata>	getValueMetadata(String name)	Returns an Optional reference to the metadata of a VTL object with the specified name in this environment.
protected Stream<DataPoint>	streamFileName(String fileName)

Methods inherited from class java.lang.Object

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

Methods inherited from interface it.bancaditalia.oss.vtl.environment.Environment

init

Constructor Detail

CSVFileEnvironment

public CSVFileEnvironment()

Method Detail

contains

public boolean contains(String name)

Description copied from interface: Environment

Checks if this environment provides a VTL object with the specified name.

Specified by:

contains in interface Environment

Parameters:

name - The name of requested object.

Returns:

true if this environment provides the specified object.

getValue

public Optional<VTLValue> getValue(String name)

Description copied from interface: Environment

Returns an Optional reference to a VTL object with the specified name in this environment.

Specified by:

getValue in interface Environment

Parameters:

name - The name of requested object.

Returns:

An Optional with a reference to the requested object o Optional.empty() if the object is not found in this environment.

streamFileName

protected Stream<DataPoint> streamFileName(String fileName)

getValueMetadata

public Optional<VTLValueMetadata> getValueMetadata(String name)

Description copied from interface: Environment

Returns an Optional reference to the metadata of a VTL object with the specified name in this environment.

Specified by:

getValueMetadata in interface Environment

Parameters:

name - The name of requested object

Returns:

An Optional with a reference to the metadata of the requested object o Optional.empty() if the object is not found in this environment.

countLines

public static int countLines(Reader is)
                      throws IOException

Throws:

IOException