galapi
Class ItemList

java.lang.Object
  galapi.ItemList

Direct Known Subclasses:

AtomicList, NodeList

public class ItemList

extends java.lang.Object

An ItemList is a collection of items that can be processed or returned as a result by the functions in the class Galax.

Field Summary

protected int

ilist

Constructor Summary

	ItemList() creates an empty item list
protected	ItemList(int il)

Method Summary

static ItemList	cons(Item i, ItemList cdr) Creates a new list by adding an Item at the beginning of an ItemList.
void	finalize() Release memory resources related to the ItemList.
protected int	getNativeItemList()
boolean	isEmpty()
Item	ItemsFirst()
ItemList	ItemsNext()
protected static int	nativeCons(int i, int il)
protected static int	nativeEmptyList()
protected static void	nativeFreeItemList(int il)
protected static boolean	nativeIsEmpty(int il)
protected static int	nativeItemsFirst(int il)
protected static int	nativeItemsNext(int il)
protected static java.lang.String	nativeSerialize(int il)
protected void	setItemList(int il)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

ilist

protected int ilist

Constructor Detail

ItemList

public ItemList()
         throws GalapiException

creates an empty item list

ItemList

protected ItemList(int il)

Method Detail

setItemList

protected void setItemList(int il)

getNativeItemList

protected int getNativeItemList()

finalize

public void finalize()
              throws java.lang.Throwable

Release memory resources related to the ItemList.

Throws:

java.lang.Throwable

cons

public static ItemList cons(Item i,
                            ItemList cdr)
                     throws GalapiException

Creates a new list by adding an Item at the beginning of an ItemList.

Returns:

the new list obtained

Throws:

GalapiException

isEmpty

public boolean isEmpty()

Returns:

true if the list is empty, false otherwise

ItemsFirst

public Item ItemsFirst()
                throws GalapiException

Returns:

the first item in the list

Throws:

GalapiException

ItemsNext

public ItemList ItemsNext()
                   throws GalapiException

Returns:

the list without its first item

Throws:

GalapiException

toString

public java.lang.String toString()

Returns:

a string representation of the item

Throws:

java.lang.RuntimeException - when there is an internal Galax error

nativeEmptyList

protected static int nativeEmptyList()

nativeFreeItemList

protected static void nativeFreeItemList(int il)

nativeCons

protected static int nativeCons(int i,
                                int il)

nativeIsEmpty

protected static boolean nativeIsEmpty(int il)

nativeItemsFirst

protected static int nativeItemsFirst(int il)

nativeItemsNext

protected static int nativeItemsNext(int il)

nativeSerialize

protected static java.lang.String nativeSerialize(int il)