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Celluloid.html
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Celluloid.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>
Module: Celluloid
— Documentation by YARD 0.7.5
</title>
<link rel="stylesheet" href="css/style.css" type="text/css" media="screen" charset="utf-8" />
<link rel="stylesheet" href="css/common.css" type="text/css" media="screen" charset="utf-8" />
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relpath = '';
if (relpath != '') relpath += '/';
</script>
<script type="text/javascript" charset="utf-8" src="js/jquery.js"></script>
<script type="text/javascript" charset="utf-8" src="js/app.js"></script>
</head>
<body>
<script type="text/javascript" charset="utf-8">
if (window.top.frames.main) document.body.className = 'frames';
</script>
<div id="header">
<div id="menu">
<a href="_index.html">Index (C)</a> »
<span class="title">Celluloid</span>
<div class="noframes"><span class="title">(</span><a href="." target="_top">no frames</a><span class="title">)</span></div>
</div>
<div id="search">
<a id="class_list_link" href="#">Class List</a>
<a id="method_list_link" href="#">Method List</a>
<a id="file_list_link" href="#">File List</a>
</div>
<div class="clear"></div>
</div>
<iframe id="search_frame"></iframe>
<div id="content"><h1>Module: Celluloid
</h1>
<dl class="box">
<dt class="r1">Included in:</dt>
<dd class="r1"><span class='object_link'><a href="Celluloid/Group.html" title="Celluloid::Group (class)">Group</a></span>, <span class='object_link'><a href="Celluloid/Pool.html" title="Celluloid::Pool (class)">Pool</a></span>, <span class='object_link'><a href="Celluloid/Supervisor.html" title="Celluloid::Supervisor (class)">Supervisor</a></span></dd>
<dt class="r2 last">Defined in:</dt>
<dd class="r2 last">lib/celluloid.rb<span class="defines">,<br />
lib/celluloid/fsm.rb,<br /> lib/celluloid/task.rb,<br /> lib/celluloid/pool.rb,<br /> lib/celluloid/actor.rb,<br /> lib/celluloid/calls.rb,<br /> lib/celluloid/links.rb,<br /> lib/celluloid/group.rb,<br /> lib/celluloid/logger.rb,<br /> lib/celluloid/future.rb,<br /> lib/celluloid/timers.rb,<br /> lib/celluloid/events.rb,<br /> lib/celluloid/signals.rb,<br /> lib/celluloid/version.rb,<br /> lib/celluloid/mailbox.rb,<br /> lib/celluloid/registry.rb,<br /> lib/celluloid/responses.rb,<br /> lib/celluloid/receivers.rb,<br /> lib/celluloid/supervisor.rb,<br /> lib/celluloid/thread_pool.rb,<br /> lib/celluloid/actor_proxy.rb</span>
</dd>
</dl>
<div class="clear"></div>
<h2>Defined Under Namespace</h2>
<p class="children">
<strong class="modules">Modules:</strong> <span class='object_link'><a href="Celluloid/ClassMethods.html" title="Celluloid::ClassMethods (module)">ClassMethods</a></span>, <span class='object_link'><a href="Celluloid/FSM.html" title="Celluloid::FSM (module)">FSM</a></span>, <span class='object_link'><a href="Celluloid/Logger.html" title="Celluloid::Logger (module)">Logger</a></span>, <span class='object_link'><a href="Celluloid/Registry.html" title="Celluloid::Registry (module)">Registry</a></span>, <span class='object_link'><a href="Celluloid/ThreadPool.html" title="Celluloid::ThreadPool (module)">ThreadPool</a></span>
<strong class="classes">Classes:</strong> <span class='object_link'><a href="Celluloid/AbortError.html" title="Celluloid::AbortError (class)">AbortError</a></span>, <span class='object_link'><a href="Celluloid/Actor.html" title="Celluloid::Actor (class)">Actor</a></span>, <span class='object_link'><a href="Celluloid/ActorProxy.html" title="Celluloid::ActorProxy (class)">ActorProxy</a></span>, <span class='object_link'><a href="Celluloid/AsyncCall.html" title="Celluloid::AsyncCall (class)">AsyncCall</a></span>, <span class='object_link'><a href="Celluloid/Call.html" title="Celluloid::Call (class)">Call</a></span>, <span class='object_link'><a href="Celluloid/DeadActorError.html" title="Celluloid::DeadActorError (class)">DeadActorError</a></span>, <span class='object_link'><a href="Celluloid/DeadTaskError.html" title="Celluloid::DeadTaskError (class)">DeadTaskError</a></span>, <span class='object_link'><a href="Celluloid/ErrorResponse.html" title="Celluloid::ErrorResponse (class)">ErrorResponse</a></span>, <span class='object_link'><a href="Celluloid/ExitEvent.html" title="Celluloid::ExitEvent (class)">ExitEvent</a></span>, <span class='object_link'><a href="Celluloid/Future.html" title="Celluloid::Future (class)">Future</a></span>, <span class='object_link'><a href="Celluloid/Group.html" title="Celluloid::Group (class)">Group</a></span>, <span class='object_link'><a href="Celluloid/Links.html" title="Celluloid::Links (class)">Links</a></span>, <span class='object_link'><a href="Celluloid/Mailbox.html" title="Celluloid::Mailbox (class)">Mailbox</a></span>, <span class='object_link'><a href="Celluloid/MailboxError.html" title="Celluloid::MailboxError (class)">MailboxError</a></span>, <span class='object_link'><a href="Celluloid/MailboxShutdown.html" title="Celluloid::MailboxShutdown (class)">MailboxShutdown</a></span>, <span class='object_link'><a href="Celluloid/NotActorError.html" title="Celluloid::NotActorError (class)">NotActorError</a></span>, <span class='object_link'><a href="Celluloid/Pool.html" title="Celluloid::Pool (class)">Pool</a></span>, <span class='object_link'><a href="Celluloid/Receiver.html" title="Celluloid::Receiver (class)">Receiver</a></span>, <span class='object_link'><a href="Celluloid/Receivers.html" title="Celluloid::Receivers (class)">Receivers</a></span>, <span class='object_link'><a href="Celluloid/Response.html" title="Celluloid::Response (class)">Response</a></span>, <span class='object_link'><a href="Celluloid/Signals.html" title="Celluloid::Signals (class)">Signals</a></span>, <span class='object_link'><a href="Celluloid/SuccessResponse.html" title="Celluloid::SuccessResponse (class)">SuccessResponse</a></span>, <span class='object_link'><a href="Celluloid/Supervisor.html" title="Celluloid::Supervisor (class)">Supervisor</a></span>, <span class='object_link'><a href="Celluloid/SyncCall.html" title="Celluloid::SyncCall (class)">SyncCall</a></span>, <span class='object_link'><a href="Celluloid/SystemEvent.html" title="Celluloid::SystemEvent (class)">SystemEvent</a></span>, <span class='object_link'><a href="Celluloid/Task.html" title="Celluloid::Task (class)">Task</a></span>, <span class='object_link'><a href="Celluloid/Timer.html" title="Celluloid::Timer (class)">Timer</a></span>, <span class='object_link'><a href="Celluloid/Timers.html" title="Celluloid::Timers (class)">Timers</a></span>
</p>
<h2>Constant Summary</h2>
<dl class="constants">
<dt id="SHUTDOWN_TIMEOUT-constant" class="">SHUTDOWN_TIMEOUT =
<div class="docstring">
<div class="discussion">
<p>How long actors have to terminate</p>
</div>
</div>
<div class="tags">
</div>
</dt>
<dd><pre class="code"><span class='int'>60</span></pre></dd>
<dt id="Application-constant" class="">Application =
<div class="docstring">
<div class="discussion">
<p>Legacy support for the old name. Going away soon!</p>
</div>
</div>
<div class="tags">
</div>
</dt>
<dd><pre class="code"><span class='const'>Group</span></pre></dd>
<dt id="VERSION-constant" class="">VERSION =
</dt>
<dd><pre class="code"><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>0.9.1</span><span class='tstring_end'>'</span></span></pre></dd>
</dl>
<h2>Class Attribute Summary <small>(<a href="#" class="summary_toggle">collapse</a>)</small></h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#logger-class_method" title="logger (class method)">+ (Object) <strong>logger</strong> </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Thread-safe logger class.</p>
</div></span>
</li>
</ul>
<h2>
Class Method Summary
<small>(<a href="#" class="summary_toggle">collapse</a>)</small>
</h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#actor%3F-class_method" title="actor? (class method)">+ (Boolean) <strong>actor?</strong> </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Are we currently inside of an actor?.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#current-class_method" title="current (class method)">+ (Object) <strong>current</strong> </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Obtain the currently running actor (if one exists).</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#current_actor-class_method" title="current_actor (class method)">+ (Object) <strong>current_actor</strong> </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Obtain the currently running actor (if one exists).</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#exception_handler-class_method" title="exception_handler (class method)">+ (Object) <strong>exception_handler</strong>(&block) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Define an exception handler for actor crashes.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#exclusive%3F-class_method" title="exclusive? (class method)">+ (Boolean) <strong>exclusive?</strong> </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Is current actor running in exclusive mode?.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#included-class_method" title="included (class method)">+ (Object) <strong>included</strong>(klass) </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#receive-class_method" title="receive (class method)">+ (Object) <strong>receive</strong>(timeout = nil, &block) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Receive an asynchronous message.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#shutdown-class_method" title="shutdown (class method)">+ (Object) <strong>shutdown</strong> </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Shut down all running actors FIXME: This should probably attempt a graceful
shutdown of the supervision tree before iterating through all actors and
telling them to terminate.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#sleep-class_method" title="sleep (class method)">+ (Object) <strong>sleep</strong>(interval) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Sleep letting the actor continue processing messages.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#version-class_method" title="version (class method)">+ (Object) <strong>version</strong> </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
</ul>
<h2>
Instance Method Summary
<small>(<a href="#" class="summary_toggle">collapse</a>)</small>
</h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#abort-instance_method" title="#abort (instance method)">- (Object) <strong>abort</strong>(cause) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Raise an exception in caller context, but stay running.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#after-instance_method" title="#after (instance method)">- (Object) <strong>after</strong>(interval, &block) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Call a block after a given interval, returning a Celluloid::Timer object.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#alive%3F-instance_method" title="#alive? (instance method)">- (Boolean) <strong>alive?</strong> </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Is this actor alive?.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#current_actor-instance_method" title="#current_actor (instance method)">- (Object) <strong>current_actor</strong> </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Obtain the current_actor.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#defer-instance_method" title="#defer (instance method)">- (Object) <strong>defer</strong>(&block) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Perform a blocking or computationally intensive action inside an
asynchronous thread pool, allowing the caller to continue processing other
messages in its mailbox in the meantime.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#exclusive-instance_method" title="#exclusive (instance method)">- (Object) <strong>exclusive</strong>(&block) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Run given block in an exclusive mode: all synchronous calls block the whole
actor, not only current message processing.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#inspect-instance_method" title="#inspect (instance method)">- (Object) <strong>inspect</strong> </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#link-instance_method" title="#link (instance method)">- (Object) <strong>link</strong>(actor) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Link this actor to another, allowing it to crash or react to errors.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#linked_to%3F-instance_method" title="#linked_to? (instance method)">- (Boolean) <strong>linked_to?</strong>(actor) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Is this actor linked to another?.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#links-instance_method" title="#links (instance method)">- (Object) <strong>links</strong> </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Obtain the Celluloid::Links for this actor.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#method_missing-instance_method" title="#method_missing (instance method)">- (Object) <strong>method_missing</strong>(meth, *args, &block) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Process async calls via method_missing.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#notify_link-instance_method" title="#notify_link (instance method)">- (Object) <strong>notify_link</strong>(actor) </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#notify_unlink-instance_method" title="#notify_unlink (instance method)">- (Object) <strong>notify_unlink</strong>(actor) </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#receive-instance_method" title="#receive (instance method)">- (Object) <strong>receive</strong>(timeout = nil, &block) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Receive an asynchronous message via the actor protocol.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#signal-instance_method" title="#signal (instance method)">- (Object) <strong>signal</strong>(name, value = nil) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Send a signal with the given name to all waiting methods.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#sleep-instance_method" title="#sleep (instance method)">- (Object) <strong>sleep</strong>(interval) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Sleep while letting the actor continue to receive messages.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#tasks-instance_method" title="#tasks (instance method)">- (Object) <strong>tasks</strong> </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Obtain the running tasks for this actor.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#terminate-instance_method" title="#terminate (instance method)">- (Object) <strong>terminate</strong> </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Terminate this actor.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#unlink-instance_method" title="#unlink (instance method)">- (Object) <strong>unlink</strong>(actor) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Remove links to another actor.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#wait-instance_method" title="#wait (instance method)">- (Object) <strong>wait</strong>(name) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Wait for the given signal.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#wrapped_object-instance_method" title="#wrapped_object (instance method)">- (Object) <strong>wrapped_object</strong> </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Obtain the Ruby object the actor is wrapping.</p>
</div></span>
</li>
</ul>
<div id="method_missing_details" class="method_details_list">
<h2>Dynamic Method Handling</h2>
<p class="notice this">
This class handles dynamic methods through the <tt>method_missing</tt> method
</p>
<div class="method_details first">
<p class="signature first" id="method_missing-instance_method">
- (<tt>Object</tt>) <strong>method_missing</strong>(meth, *args, &block)
</p><div class="docstring">
<div class="discussion">
<p>Process async calls via method_missing</p>
</div>
</div>
<div class="tags">
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
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</td>
<td>
<pre class="code"><span class="info file"># File 'lib/celluloid.rb', line 268</span>
<span class='kw'>def</span> <span class='id identifier rubyid_method_missing'>method_missing</span><span class='lparen'>(</span><span class='id identifier rubyid_meth'>meth</span><span class='comma'>,</span> <span class='op'>*</span><span class='id identifier rubyid_args'>args</span><span class='comma'>,</span> <span class='op'>&</span><span class='id identifier rubyid_block'>block</span><span class='rparen'>)</span>
<span class='comment'># bang methods are async calls
</span> <span class='kw'>if</span> <span class='id identifier rubyid_meth'>meth</span><span class='period'>.</span><span class='id identifier rubyid_to_s'>to_s</span><span class='period'>.</span><span class='id identifier rubyid_match'>match</span><span class='lparen'>(</span><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>!$</span><span class='regexp_end'>/</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_unbanged_meth'>unbanged_meth</span> <span class='op'>=</span> <span class='id identifier rubyid_meth'>meth</span><span class='period'>.</span><span class='id identifier rubyid_to_s'>to_s</span><span class='period'>.</span><span class='id identifier rubyid_sub'>sub</span><span class='lparen'>(</span><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>!$</span><span class='regexp_end'>/</span></span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_call'>call</span> <span class='op'>=</span> <span class='const'>AsyncCall</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='ivar'>@mailbox</span><span class='comma'>,</span> <span class='id identifier rubyid_unbanged_meth'>unbanged_meth</span><span class='comma'>,</span> <span class='id identifier rubyid_args'>args</span><span class='comma'>,</span> <span class='id identifier rubyid_block'>block</span><span class='rparen'>)</span>
<span class='kw'>begin</span>
<span class='const'>Thread</span><span class='period'>.</span><span class='id identifier rubyid_current'>current</span><span class='lbracket'>[</span><span class='symbol'>:actor</span><span class='rbracket'>]</span><span class='period'>.</span><span class='id identifier rubyid_mailbox'>mailbox</span> <span class='op'><<</span> <span class='id identifier rubyid_call'>call</span>
<span class='kw'>rescue</span> <span class='const'>MailboxError</span>
<span class='comment'># Silently swallow asynchronous calls to dead actors. There's no way
</span> <span class='comment'># to reliably generate DeadActorErrors for async calls, so users of
</span> <span class='comment'># async calls should find other ways to deal with actors dying
</span> <span class='comment'># during an async call (i.e. linking/supervisors)
</span> <span class='kw'>end</span>
<span class='kw'>return</span> <span class='comment'># casts are async and return immediately
</span> <span class='kw'>end</span>
<span class='kw'>super</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
</div>
<div id="class_attr_details" class="attr_details">
<h2>Class Attribute Details</h2>
<span id="logger=-class_method"></span>
<span id="logger-class_method"></span>
<div class="method_details first">
<p class="signature first" id="logger-class_method">
+ (<tt>Object</tt>) <strong>logger</strong>