ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

root/jsr166/jsr166/src/main/java/util/AbstractQueue.java

Comparing jsr166/src/main/java/util/AbstractQueue.java (file contents):
Revision 1.18 by dl, Fri Sep 26 11:37:06 2003 UTC vs.
Revision 1.19 by dl, Sun Oct 5 22:59:21 2003 UTC

#	Line 101 | Line 101 | public abstract class AbstractQueue<E>
101		while (poll() != null)
102		;
103		}
104	+
105	+	/**
106	+	* Adds all of the elements in the specified collection to this
107	+	* queue.  Attempts to addAll of a queue to itself result in
108	+	* <tt>IllegalArgumentException</tt>. Further, the behavior of
109	+	* this operation is undefined if the specified collection is
110	+	* modified while the operation is in progress.
111	+	*
112	+	* <p>This implementation iterates over the specified collection,
113	+	* and adds each element returned by the iterator to this
114	+	* collection, in turn.  A runtime exception encountered while
115	+	* trying to add an element (including, in particular, a
116	+	* <tt>null</tt> element) may result in only some of the elements
117	+	* having been successfully added when the associated exception is
118	+	* thrown.
119	+	*
120	+	* @param c collection whose elements are to be added to this collection.
121	+	* @return <tt>true</tt> if this collection changed as a result of the
122	+	*         call.
123	+	* @throws NullPointerException if the specified collection, or
124	+	* any of its elements are null.
125	+	* @throws IllegalArgumentException if c is this queue.
126	+	*
127	+	* @see #add(Object)
128	+	*/
129	+	public boolean addAll(Collection<? extends E> c) {
130	+	if (c == null)
131	+	throw new NullPointerException();
132	+	if (c == this)
133	+	throw new IllegalArgumentException();
134	+	boolean modified = false;
135	+	Iterator<? extends E> e = c.iterator();
136	+	while (e.hasNext()) {
137	+	if (add(e.next()))
138	+	modified = true;
139	+	}
140	+	return modified;
141	+	}
142	+
143		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines