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root/jsr166/jsr166/src/main/java/util/concurrent/ScheduledExecutorService.java

Comparing jsr166/src/main/java/util/concurrent/ScheduledExecutorService.java (file contents):
Revision 1.3 by dl, Fri Dec 19 14:42:25 2003 UTC vs.
Revision 1.4 by dl, Sun Dec 21 14:55:52 2003 UTC

#	Line 16 | Line 16 | import java.util.*;
16		* and return a task object that can be used to cancel or check
17		* execution. The <tt>scheduleAtFixedRate</tt> and
18		* <tt>scheduleWithFixedDelay</tt> methods create and execute tasks
19	<	* that run periodically until cancelled.  Commands submitted using
20	<	* the <tt>execute</tt> method are scheduled with a requested delay of
21	<	* zero.
19	>	* that run periodically until cancelled.
20	>	*
21	>	* <p> Commands submitted using the {@link Executor#execute} and
22	>	* {@link ExecutorService} <tt>submit</tt> methods are scheduled with
23	>	* a requested delay of zero. Zero and negative delays (but not
24	>	* periods) are also allowed in <tt>schedule</tt> methods, and are
25	>	* treated as requests for immediate execution.
26		*
27		* <p>All <t>schedule</tt> methods accept <em>relative</em> delays and
28		* periods as arguments, not absolute times or dates. It is a simple
#	Line 29 | Line 33 | import java.util.*;
33		* TimeUnit.MILLISECONDS)</tt>. Beware however that expiration of a
34		* relative delay need not coincide with the current <tt>Date</tt> at
35		* which the task is enabled due to network time synchronization
36	<	* protocols, clock drift, or other factors. Negative relative delays
33	<	* (but not periods) are allowed in <tt>schedule</tt> methods, and are
34	<	* treated as requests for immediate execution.
36	>	* protocols, clock drift, or other factors.
37		*
38		* @since 1.5
39		* @author Doug Lea
#	Line 76 | Line 78 | public interface ScheduledExecutorServic
78		* @param command the task to execute.
79		* @param initialDelay the time to delay first execution.
80		* @param period the period between successive executions.
81	<	* @param unit the time unit of the delay and period parameters
81	>	* @param unit the time unit of the initialDelay and period parameters
82		* @return a Future representing pending completion of the task,
83		* and whose <tt>get()</tt> method will throw an exception upon
84		* cancellation.
#	Line 97 | Line 99 | public interface ScheduledExecutorServic
99		* @param initialDelay the time to delay first execution.
100		* @param delay the delay between the termination of one
101		* execution and the commencement of the next.
102	<	* @param unit the time unit of the delay and delay parameters
102	>	* @param unit the time unit of the initialDelay and delay parameters
103		* @return a Future representing pending completion of the task,
104		* and whose <tt>get()</tt> method will throw an exception upon
105		* cancellation.
#	Line 108 | Line 110 | public interface ScheduledExecutorServic
110		*/
111		public ScheduledFuture<?> scheduleWithFixedDelay(Runnable command, long initialDelay,  long delay, TimeUnit unit);
112
111	–	/**
112	–	* Execute command with zero required delay. This has effect
113	–	* equivalent to <tt>schedule(command, 0, anyUnit)</tt>.
114	–	* @param command the task to execute
115	–	* @throws RejectedExecutionException if this task cannot be
116	–	* accepted for execution.
117	–	* @throws NullPointerException if command is null
118	–	*/
119	–	public void execute(Runnable command);
113		}

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