Package gaiasky.data.group

Class BinaryIOBase

java.lang.Object

gaiasky.data.group.BinaryIOBase

All Implemented Interfaces:

BinaryIO

Direct Known Subclasses:

BinaryVersion0, BinaryVersion2

public abstract class BinaryIOBase
extends Object
implements BinaryIO

Base implementation of binary version, which accommodates most versions.

Field Summary

Fields

Modifier and Type	Field	Description
protected final int	nDoubles
protected final int	nFloats
protected boolean	tychoIds

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	BinaryIOBase(int nDoubles, int nFloats, boolean tychoIds)

Method Summary

Modifier and Type	Method	Description
ParticleRecord	readParticleRecord(DataInputStream in, double factor)	Read a star from the input stream.
ParticleRecord	readParticleRecord(MappedByteBuffer mem, double factor)	Read a star from the mapped buffer.

Methods inherited from class java.lang.Object

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

Methods inherited from interface gaiasky.data.group.BinaryIO

writeParticleRecord

Field Details

nDoubles

protected final int nDoubles

nFloats

protected final int nFloats

tychoIds

protected boolean tychoIds

Constructor Details

BinaryIOBase

protected BinaryIOBase(int nDoubles,
 int nFloats,
 boolean tychoIds)

Method Details

readParticleRecord

public ParticleRecord readParticleRecord(MappedByteBuffer mem,
 double factor)

Description copied from interface: BinaryIO

Read a star from the mapped buffer.

Specified by:

readParticleRecord in interface BinaryIO

Parameters:

mem - Mapped memory buffer to read from.

factor - Scale factor to apply to the positions.

Returns:

The star.

readParticleRecord

public ParticleRecord readParticleRecord(DataInputStream in,
 double factor)
                                  throws IOException

Description copied from interface: BinaryIO

Read a star from the input stream.

Specified by:

readParticleRecord in interface BinaryIO

Parameters:

in - Input stream.

factor - Scale factor to apply to the positions.

Returns:

The star.

Throws:

IOException - If the read fails.