fiftyone.mobile.detection.entities.stream

Class Source

java.lang.Object

fiftyone.mobile.detection.entities.stream.Source

All Implemented Interfaces:

Disposable

public class Source
extends Object
implements Disposable

Encapsulates either a byte array or a file containing the uncompressed data structures used by the data set.

Must be disposed to ensure that the readers are closed and the file free for other uses. Does not need to be disposed if a byte array is used.

Field Summary

Fields

Modifier and Type	Field and Description
private byte[]	data
private FileInputStream	fileInputStream

Constructor Summary

Constructors

Constructor and Description
Source(byte[] data)
Source(String filename)

Method Summary

Modifier and Type	Method and Description
private ByteBuffer	createByteBuffer()
private MappedByteBuffer	createMappedByteBuffer()
BinaryReader	createReader() Creates a new reader and stores a reference to it.
void	dispose()

Methods inherited from class java.lang.Object

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

Field Detail

fileInputStream

private final FileInputStream fileInputStream

data

private final byte[] data

Constructor Detail

Source

public Source(String filename)
       throws FileNotFoundException

Throws:

FileNotFoundException

Source

public Source(byte[] data)

Method Detail

dispose

public void dispose()

Specified by:

dispose in interface Disposable

createReader

public BinaryReader createReader()
                          throws IOException

Creates a new reader and stores a reference to it.

Returns:

A reader open for read access to the stream

Throws:

IOException

createByteBuffer

private ByteBuffer createByteBuffer()
                             throws IOException

Throws:

IOException

createMappedByteBuffer

private MappedByteBuffer createMappedByteBuffer()
                                         throws IOException

Throws:

IOException