dap4.dap4shared

Class D4DataAtomic

java.lang.Object

dap4.dap4shared.AbstractData

dap4.dap4shared.D4DataVariable

dap4.dap4shared.D4DataAtomic

All Implemented Interfaces:

Data, DataAtomic, DataVariable

public class D4DataAtomic
extends D4DataVariable
implements DataAtomic

Field Summary

Fields

Modifier and Type	Field and Description
protected AtomicType	atomictype
protected DapType	basetype
protected int[]	bytestrings
protected ByteBuffer	databuffer
protected D4DSP	dsp
protected int	elementsize
protected boolean	isbytestring
protected boolean	isscalar
protected int	offset
protected long	product
protected long	totalbytestringsize

Fields inherited from class dap4.dap4shared.D4DataVariable

dapvar

Fields inherited from class dap4.dap4shared.AbstractData

sort, template

Constructor Summary

Constructors

Constructor and Description
D4DataAtomic(D4DSP dsp, DapAtomicVariable dap, int offset)

Method Summary

Methods

Modifier and Type	Method and Description
protected static Object	extractObject(DapType basetype, ByteBuffer dataset) Extract, as an object, value from a (presumably) atomic typed array of values; dataset position is presumed correct.
protected static void	extractObjectVector(DapType basetype, ByteBuffer dataset, long start, long count, Object vector) Vector version of extractObject().
long	getCount()
long	getElementSize()
DapType	getType()
Object	read(long index)
void	read(long start, long count, Object data)
protected void	setup(long index)

Methods inherited from class dap4.dap4shared.D4DataVariable

getDSP

Methods inherited from class dap4.dap4shared.AbstractData

computesort, getSort, getTemplate

Methods inherited from class java.lang.Object

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

Methods inherited from interface dap4.core.data.Data

getSort, getTemplate

Field Detail

dsp

protected D4DSP dsp

product

protected long product

basetype

protected DapType basetype

atomictype

protected AtomicType atomictype

isscalar

protected boolean isscalar

offset

protected int offset

databuffer

protected ByteBuffer databuffer

elementsize

protected int elementsize

isbytestring

protected boolean isbytestring

totalbytestringsize

protected long totalbytestringsize

bytestrings

protected int[] bytestrings

Constructor Detail

D4DataAtomic

public D4DataAtomic(D4DSP dsp,
            DapAtomicVariable dap,
            int offset)
             throws DataException

Throws:

DataException

Method Detail

getType

public DapType getType()

Specified by:

getType in interface DataAtomic

getCount

public long getCount()

Specified by:

getCount in interface DataAtomic

getElementSize

public long getElementSize()

Specified by:

getElementSize in interface DataAtomic

read

public void read(long start,
        long count,
        Object data)
          throws DataException

Specified by:

read in interface DataAtomic

Throws:

DataException

read

public Object read(long index)
            throws DataException

Specified by:

read in interface DataAtomic

Throws:

DataException

setup

protected void setup(long index)

extractObject

protected static Object extractObject(DapType basetype,
                   ByteBuffer dataset)

Extract, as an object, value from a (presumably) atomic typed array of values; dataset position is presumed correct.

Parameters:

basetype - type of object to extract

dataset - ByteBuffer containing databuffer; position assumed correct

Returns:

resulting value as an Object; value does not necessarily conform to Convert.ValueClass.

extractObjectVector

protected static void extractObjectVector(DapType basetype,
                       ByteBuffer dataset,
                       long start,
                       long count,
                       Object vector)

Vector version of extractObject(). Extract a vector of objects from a (presumably) atomic typed array of values; dataset position is presumed correct.

Parameters:

basetype - type of object to extract ; must not be Enum

dataset - ByteBuffer containing databuffer; position assumed correct

vector -

count -