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Java Source | 1997-03-14 | 2.3 KB | 98 lines |
- // Copyright(c) 1996,1997 ObjectSpace, Inc.
- // Portions Copyright(c) 1995, 1996 Hewlett-Packard Company.
-
- package COM.objectspace.jgl;
-
- import java.util.Enumeration;
- import java.io.Serializable;
-
- /**
- * Container is the interface that is implemented by all of the
- * Generic Container Library containers.
- * <p>
- * @see COM.objectspace.jgl.Array
- * @see COM.objectspace.jgl.Deque
- * @see COM.objectspace.jgl.DList
- * @see COM.objectspace.jgl.HashMap
- * @see COM.objectspace.jgl.HashSet
- * @see COM.objectspace.jgl.OrderedMap
- * @see COM.objectspace.jgl.OrderedSet
- * @see COM.objectspace.jgl.PriorityQueue
- * @see COM.objectspace.jgl.Queue
- * @see COM.objectspace.jgl.SList
- * @see COM.objectspace.jgl.Stack
- * @version 2.0.2
- * @author ObjectSpace, Inc.
- */
-
- public interface Container extends Cloneable, Serializable
- {
- /**
- * Return a shallow copy of myself.
- */
- public Object clone();
-
- /**
- * Return a string that describes me.
- */
- public String toString();
-
- /**
- * Return true if I'm equal to a specified object.
- * @param object The object to compare myself against.
- * @return true if I'm equal to the specified object.
- */
- public boolean equals( Object object );
-
- /**
- * Return the number of objects that I contain.
- */
- public int size();
-
- /**
- * Return the maximum number of objects that I can contain.
- */
- public int maxSize();
-
- /**
- * Return true if I contain no objects.
- */
- public boolean isEmpty();
-
- /**
- * Remove all of my objects.
- */
- public void clear();
-
- /**
- * Return an Enumeration of the components in this container
- */
- public Enumeration elements();
-
- /**
- * Return an iterator positioned at my first item.
- */
- public ForwardIterator start();
-
- /**
- * Return an iterator positioned immediately after my last item.
- */
- public ForwardIterator finish();
-
- /**
- * Add an object to myself. If appropriate, return the object that
- * displaced it, otherwise return null.
- */
- public Object add( Object object );
-
- /**
- * Remove the element at a particular position.
- */
- public Object remove( Enumeration pos );
-
- /**
- * Remove the elements in the specified range.
- */
- public int remove( Enumeration first, Enumeration last );
- }
-