org.elasticsearch.util.gnu.trove
Class TDoubleStack

java.lang.Object
  org.elasticsearch.util.gnu.trove.TDoubleStack

public class TDoubleStack
extends java.lang.Object

A stack of double primitives, backed by a TDoubleArrayList.

Field Summary

protected TDoubleArrayList	_list the list used to hold the stack values.
static int	DEFAULT_CAPACITY

Constructor Summary

TDoubleStack()
Creates a new TDoubleStack instance with the default capacity.

TDoubleStack(int capacity)
Creates a new TDoubleStack instance with the specified capacity.

Method Summary

void	clear() Clears the stack, reseting its capacity to the default.
double	peek() Returns the value at the top of the stack.
double	pop() Removes and returns the value at the top of the stack.
void	push(double val) Pushes the value onto the top of the stack.
void	reset() Clears the stack without releasing its internal capacity allocation.
int	size() Returns the current depth of the stack.
double[]	toNativeArray() Copies the contents of the stack into a native array.
void	toNativeArray(double[] dest) Copies a slice of the list into a native array.

Methods inherited from class java.lang.Object

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

Field Detail

_list

protected TDoubleArrayList _list

the list used to hold the stack values.

DEFAULT_CAPACITY

public static final int DEFAULT_CAPACITY

See Also:

Constant Field Values

Constructor Detail

TDoubleStack

public TDoubleStack()

Creates a new TDoubleStack instance with the default capacity.

TDoubleStack

public TDoubleStack(int capacity)

Creates a new TDoubleStack instance with the specified capacity.

Parameters:

capacity - the initial depth of the stack

Method Detail

push

public void push(double val)

Pushes the value onto the top of the stack.

Parameters:

val - an double value

pop

public double pop()

Removes and returns the value at the top of the stack.

Returns:

an double value

peek

public double peek()

Returns the value at the top of the stack.

Returns:

an double value

size

public int size()

Returns the current depth of the stack.

clear

public void clear()

Clears the stack, reseting its capacity to the default.

reset

public void reset()

Clears the stack without releasing its internal capacity allocation.

toNativeArray

public double[] toNativeArray()

Copies the contents of the stack into a native array. Note that this will NOT pop them out of the stack.

Returns:

an double[] value

toNativeArray

public void toNativeArray(double[] dest)

Copies a slice of the list into a native array. Note that this will NOT pop them out of the stack.

Parameters:

dest - the array to copy into.