edu.iu.harp.resource

Class DoubleArray

java.lang.Object

edu.iu.harp.resource.Transferable

edu.iu.harp.resource.Simple

edu.iu.harp.resource.Array<double[]>

edu.iu.harp.resource.DoubleArray

public final class DoubleArray
extends Array<double[]>

ByteArray class for managing double[] data.

Field Summary

Fields inherited from class edu.iu.harp.resource.Array

array, size, start

Constructor Summary

Constructors

Constructor and Description
DoubleArray(double[] arr, int start, int size)

Method Summary

Modifier and Type	Method and Description
static DoubleArray	create(int len, boolean approximate) Create an array.
void	encode(java.io.DataOutput out) Encode the array as DataOutput
void	free() Free the array from the ResourcePool
int	getNumEnocdeBytes() Get the number of Bytes of encoded data.
void	release() Release the array from the ResourcePool

Methods inherited from class edu.iu.harp.resource.Array

get, reset, size, start

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleArray

public DoubleArray(double[] arr,
                   int start,
                   int size)

Method Detail

getNumEnocdeBytes

public int getNumEnocdeBytes()

Get the number of Bytes of encoded data. One byte for storing DataType, four bytes for storing the size, size*8 bytes for storing the data.

Specified by:

getNumEnocdeBytes in class Transferable

Returns:

number of bytes

encode

public void encode(java.io.DataOutput out)
            throws java.io.IOException

Encode the array as DataOutput

Specified by:

encode in class Transferable

Throws:

java.io.IOException

create

public static DoubleArray create(int len,
                                 boolean approximate)

Create an array. Firstly try to get an array from ResourcePool; if failed, new an array.

Parameters:

len -

approximate -

Returns:

release

public void release()

Release the array from the ResourcePool

Specified by:

release in class Transferable

free

public void free()

Free the array from the ResourcePool

Specified by:

free in class Transferable