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

Comparing jsr166/src/main/java/util/AbstractQueue.java (file contents):
Revision 1.9 by dholmes, Thu Jul 31 07:18:02 2003 UTC vs.
Revision 1.11 by dholmes, Mon Aug 4 01:50:33 2003 UTC

#	Line 7 | Line 7
7		package java.util;
8
9		/**
10	<	* <tt>AbstractQueue</tt> provides default implementations of
11	<	* {@link #add add}, {@link #remove remove}, and {@link #element element}
12	<	* based on
13	<	* {@link #offer offer}, {@link #poll poll}, and {@link #peek peek},
14	<	* respectively but that
15	<	* throw exceptions instead of indicating failure via <tt>false</tt> or
10	>	* <tt>AbstractQueue</tt> provides default implementations of
11	>	* {@link #add add}, {@link #remove remove}, and {@link #element element}
12	>	* based on
13	>	* {@link #offer offer}, {@link #poll poll}, and {@link #peek peek},
14	>	* respectively but that
15	>	* throw exceptions instead of indicating failure via <tt>false</tt> or
16		* <tt>null</tt> returns.
17		* <p>The provided implementations all assume that the base implementation
18		* does <em>not</em> allow <tt>null</tt> elements.
19		* @since 1.5
20		* @author Doug Lea
21		*/
22	<	public abstract class AbstractQueue<E>
23	<	extends AbstractCollection<E>
22	>	public abstract class AbstractQueue<E>
23	>	extends AbstractCollection<E>
24		implements Queue<E> {
25
26		// note that optional methods are not optional here or in our subclasses,
#	Line 29 | Line 29 | public abstract class AbstractQueue<E>
29
30		/**
31		* Adds the specified element to this queue.
32	<	* @return <tt>true</tt> (as per the general contract of
32	>	* @return <tt>true</tt> (as per the general contract of
33		* <tt>Collection.add</tt>).
34		*
35	<	* @throws NullPointerException if the element is null
35	>	* @throws NullPointerException if the specified element is <tt>null</tt>
36		*/
37		public boolean add(E o) {
38		if (offer(o))
#	Line 54 | Line 54 | public abstract class AbstractQueue<E>
54		* @param c collection whose elements are to be added to this queue
55		* @return <tt>true</tt> if this collection changed as a result of the
56		*         call.
57	<	* @throws NullPointerException if <tt>c</tt> is <tt>null</tt>
57	>	* @throws NullPointerException if <tt>c</tt> or any element in <tt>c</tt>
58	>	* is <tt>null</tt>
59		*
60		*/
61	<	boolean addAll(Collection<? extends E> c) {
61	>	public boolean addAll(Collection<? extends E> c) {
62		return super.addAll(c);
63		}
64

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