gnu.trove
Class TLongStack

java.lang.Object
  gnu.trove.TLongStack

public class TLongStack
extends java.lang.Object

A stack of long primitives, backed by a TLongArrayList.

Version:

$Id: PStack.template,v 1.2 2007/02/28 23:03:57 robeden Exp $

Author:

Eric D. Friedman, Rob Eden

Field Summary

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

Constructor Summary

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

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

Method Summary

void	clear() Clears the stack, reseting its capacity to the default.
long	peek() Returns the value at the top of the stack.
long	pop() Removes and returns the value at the top of the stack.
void	push(long 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.
long[]	toNativeArray() Copies the contents of the stack into a native array.
void	toNativeArray(long[] 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 TLongArrayList _list

the list used to hold the stack values.

DEFAULT_CAPACITY

public static final int DEFAULT_CAPACITY

See Also:

Constant Field Values

Constructor Detail

TLongStack

public TLongStack()

Creates a new TLongStack instance with the default capacity.

TLongStack

public TLongStack(int capacity)

Creates a new TLongStack instance with the specified capacity.

Parameters:

capacity - the initial depth of the stack

Method Detail

push

public void push(long val)

Pushes the value onto the top of the stack.

Parameters:

val - an long value

pop

public long pop()

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

Returns:

an long value

peek

public long peek()

Returns the value at the top of the stack.

Returns:

an long 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 long[] toNativeArray()

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

Returns:

an long[] value

toNativeArray

public void toNativeArray(long[] 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.