com.facebook.presto.common.array

Class DoubleBigArray

java.lang.Object

com.facebook.presto.common.array.DoubleBigArray

public final class DoubleBigArray
extends Object

Constructor Summary

Constructors

Constructor and Description
DoubleBigArray() Creates a new big array containing one initial segment
DoubleBigArray(double initialValue) Creates a new big array containing one initial segment filled with the specified default value

Method Summary

Modifier and Type	Method and Description
void	add(long index, double value) Adds the specified value to the specified element of this big array.
void	ensureCapacity(long length) Ensures this big array is at least the specified length.
double	get(long index) Returns the element of this big array at specified index.
void	set(long index, double value) Sets the element of this big array at specified index.
long	sizeOf() Returns the size of this big array in bytes.

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleBigArray

public DoubleBigArray()

Creates a new big array containing one initial segment

DoubleBigArray

public DoubleBigArray(double initialValue)

Creates a new big array containing one initial segment filled with the specified default value

Method Detail

sizeOf

public long sizeOf()

Returns the size of this big array in bytes.

get

public double get(long index)

Returns the element of this big array at specified index.

Parameters:

index - a position in this big array.

Returns:

the element of this big array at the specified position.

set

public void set(long index,
                double value)

Sets the element of this big array at specified index.

Parameters:

index - a position in this big array.

add

public void add(long index,
                double value)

Adds the specified value to the specified element of this big array.

Parameters:

index - a position in this big array.

value - the value

ensureCapacity

public void ensureCapacity(long length)

Ensures this big array is at least the specified length. If the array is smaller, segments are added until the array is larger then the specified length.