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Java Source | 1996-09-10 | 4.2 KB | 145 lines |
- // Copyright(c) 1996 ObjectSpace, Inc.
- // Portions Copyright(c) 1995, 1996 Hewlett-Packard Company.
-
- package jgl;
-
- /**
- * Sequence is the interface that is implemented by all Java toolkit
- * containers that are sequences of objects.
- * <p>
- * @see jgl.Array
- * @see jgl.Deque
- * @see jgl.DList
- * @see jgl.SList
- * @version 1.1
- * @author ObjectSpace, Inc.
- */
-
- public interface Sequence extends Container
- {
- /**
- *
- */
- public Object clone();
-
- /**
- * Return the object at the specified index.
- * @param index The index.
- */
- public Object at( int index );
-
- /**
- * Set the object at a specified index.
- * @param index The index.
- * @param object The object to place at the specified index.
- */
- public void put( int index, Object object );
-
- /**
- * Return my last element.
- */
- public Object back();
-
- /**
- * Return my first element.
- */
- public Object front();
-
- /**
- * Insert an object in front of my first element.
- * @param object The object to insert.
- */
- public void pushFront( Object object );
-
- /**
- * Remove and return my first element.
- */
- public Object popFront();
-
- /**
- * Add an object at my end.
- * @param object The object to add.
- */
- public void pushBack( Object object );
-
- /**
- * Remove and return my last element.
- */
- public Object popBack();
-
- /**
- * Remove all elements that match a specified object and return the number of
- * objects that were removed.
- * @param object The object to remove.
- */
- public int remove( Object object );
-
- /**
- * Remove all elements within a specified range that match a particular object
- * and return the number of objects that were removed.
- * @param first The index of the first object to remove.
- * @param last The index of the last object to remove.
- * @param object The object to remove.
- * @exception java.lang.IndexOutOfBoundsException If either index is invalid.
- */
- public int remove( int first, int last, Object object );
-
- /**
- * Return the number of objects that match a specified object.
- * @param object The object to count.
- */
- public int count( Object object );
-
- /**
- * Return the number of objects within a specified range of that match a
- * particular value.
- * @param first The index of the first object to consider.
- * @param last The index of the last object to consider.
- * @exception java.lang.IndexOutOfBoundsException If either index is invalid.
- */
- public int count( int first, int last, Object object );
-
- /**
- * Replace all elements that match a particular object with a new value and return
- * the number of objects that were replaced.
- * @param oldValue The object to be replaced.
- * @param newValue The value to substitute.
- */
- public int replace( Object oldValue, Object newValue );
-
- /**
- * Replace all elements within a specified range that match a particular object
- * with a new value and return the number of objects that were replaced.
- * @param first The index of the first object to be considered.
- * @param last The index of the last object to be considered.
- * @param oldValue The object to be replaced.
- * @param newValue The value to substitute.
- * @exception java.lang.IndexOutOfBoundsException If either index is invalid.
- */
- public int replace( int first, int last, Object oldValue, Object newValue );
-
- /**
- * Return true if I contain a particular object.
- * @param object The object in question.
- */
- public boolean contains( Object object );
-
- /**
- * Return the index of the first object that matches a particular value, or
- * -1 if the object is not found.
- * @param object The object to find.
- */
- public int indexOf( Object object );
-
- /**
- * Return an iterator positioned at the first object within a specified range that
- * matches a particular object, or -1 if the object is not found.
- * @param first The index of the first object to consider.
- * @param last The index of the last object to consider.
- * @param object The object to find.
- * @exception java.lang.IndexOutOfBoundsException If either index is invalid.
- */
- public int indexOf( int first, int last, Object object );
- }
-
-