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IndirectImmediateExecutor.html
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IndirectImmediateExecutor.html
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<!DOCTYPE html>
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Class: Concurrent::IndirectImmediateExecutor
— Concurrent Ruby
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<div id="content"><h1>Class: Concurrent::IndirectImmediateExecutor
</h1>
<div class="box_info">
<dl>
<dt>Inherits:</dt>
<dd>
<span class="inheritName"><span class='object_link'><a href="ImmediateExecutor.html" title="Concurrent::ImmediateExecutor (class)">ImmediateExecutor</a></span></span>
<ul class="fullTree">
<li>Object</li>
<li class="next"><span class='object_link'>Synchronization::LockableObject</span></li>
<li class="next"><span class='object_link'>AbstractExecutorService</span></li>
<li class="next"><span class='object_link'><a href="ImmediateExecutor.html" title="Concurrent::ImmediateExecutor (class)">ImmediateExecutor</a></span></li>
<li class="next">Concurrent::IndirectImmediateExecutor</li>
</ul>
<a href="#" class="inheritanceTree">show all</a>
</dd>
</dl>
<dl>
<dt>Defined in:</dt>
<dd>lib/concurrent/executor/indirect_immediate_executor.rb</dd>
</dl>
</div>
<h2>Overview</h2><div class="docstring">
<div class="discussion">
<div class="note notetag">
<strong>Note:</strong>
<div class='inline'><p>Intended for use primarily in testing and debugging.</p>
</div>
</div>
<p>An executor service which runs all operations on a new thread, blocking
until it completes. Operations are performed in the order they are received
and no two operations can be performed simultaneously.</p>
<p>This executor service exists mainly for testing an debugging. When used it
immediately runs every <code>#post</code> operation on a new thread, blocking the
current thread until the operation is complete. This is similar to how the
ImmediateExecutor works, but the operation has the full stack of the new
thread at its disposal. This can be helpful when the operations will spawn
more operations on the same executor and so on - such a situation might
overflow the single stack in case of an ImmediateExecutor, which is
inconsistent with how it would behave for a threaded executor.</p>
</div>
</div>
<div class="tags">
</div>
<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="#initialize-instance_method" title="#initialize (instance method)">#<strong>initialize</strong> ⇒ IndirectImmediateExecutor </a>
</span>
<span class="note title constructor">constructor</span>
<span class="summary_desc"><div class='inline'><p>Creates a new executor.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#post-instance_method" title="#post (instance method)">#<strong>post</strong>(*args) { ... } ⇒ Boolean </a>
</span>
<span class="summary_desc"><div class='inline'><p>Submit a task to the executor for asynchronous processing.</p>
</div></span>
</li>
</ul>
<div id="constructor_details" class="method_details_list">
<h2>Constructor Details</h2>
<div class="method_details first">
<h3 class="signature first" id="initialize-instance_method">
#<strong>initialize</strong> ⇒ <tt><span class='object_link'><a href="" title="Concurrent::IndirectImmediateExecutor (class)">IndirectImmediateExecutor</a></span></tt>
</h3><div class="docstring">
<div class="discussion">
<p>Creates a new executor</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/concurrent/executor/indirect_immediate_executor.rb', line 21</span>
<span class='kw'>def</span> <span class='id identifier rubyid_initialize'>initialize</span>
<span class='kw'>super</span>
<span class='ivar'>@internal_executor</span> <span class='op'>=</span> <span class='const'><span class='object_link'><a href="SimpleExecutorService.html" title="Concurrent::SimpleExecutorService (class)">SimpleExecutorService</a></span></span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
</div>
<div id="instance_method_details" class="method_details_list">
<h2>Instance Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="post-instance_method">
#<strong>post</strong>(*args) { ... } ⇒ <tt>Boolean</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Submit a task to the executor for asynchronous processing.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>args</span>
<span class='type'>(<tt><span class='object_link'><a href="Array.html" title="Concurrent::Array (class)">Array</a></span></tt>)</span>
—
<div class='inline'><p>zero or more arguments to be passed to the task</p>
</div>
</li>
</ul>
<p class="tag_title">Yields:</p>
<ul class="yield">
<li>
<span class='type'></span>
<div class='inline'><p>the asynchronous task to perform</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>Boolean</tt>)</span>
—
<div class='inline'><p><code>true</code> if the task is queued, <code>false</code> if the executor
is not running</p>
</div>
</li>
</ul>
<p class="tag_title">Raises:</p>
<ul class="raise">
<li>
<span class='type'>(<tt>ArgumentError</tt>)</span>
—
<div class='inline'><p>if no task is given</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
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<td>
<pre class="code"><span class="info file"># File 'lib/concurrent/executor/indirect_immediate_executor.rb', line 27</span>
<span class='kw'>def</span> <span class='id identifier rubyid_post'>post</span><span class='lparen'>(</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_task'>task</span><span class='rparen'>)</span>
<span class='id identifier rubyid_raise'>raise</span> <span class='const'>ArgumentError</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_content'>no block given</span><span class='tstring_end'>"</span></span><span class='rparen'>)</span> <span class='kw'>unless</span> <span class='id identifier rubyid_block_given?'>block_given?</span>
<span class='kw'>return</span> <span class='kw'>false</span> <span class='kw'>unless</span> <span class='id identifier rubyid_running?'>running?</span>
<span class='id identifier rubyid_event'>event</span> <span class='op'>=</span> <span class='const'><span class='object_link'><a href="../Concurrent.html" title="Concurrent (module)">Concurrent</a></span></span><span class='op'>::</span><span class='const'><span class='object_link'><a href="Event.html" title="Concurrent::Event (class)">Event</a></span></span><span class='period'>.</span><span class='id identifier rubyid_new'><span class='object_link'><a href="Event.html#initialize-instance_method" title="Concurrent::Event#initialize (method)">new</a></span></span>
<span class='ivar'>@internal_executor</span><span class='period'>.</span><span class='id identifier rubyid_post'>post</span> <span class='kw'>do</span>
<span class='kw'>begin</span>
<span class='id identifier rubyid_task'>task</span><span class='period'>.</span><span class='id identifier rubyid_call'>call</span><span class='lparen'>(</span><span class='op'>*</span><span class='id identifier rubyid_args'>args</span><span class='rparen'>)</span>
<span class='kw'>ensure</span>
<span class='id identifier rubyid_event'>event</span><span class='period'>.</span><span class='id identifier rubyid_set'>set</span>
<span class='kw'>end</span>
<span class='kw'>end</span>
<span class='id identifier rubyid_event'>event</span><span class='period'>.</span><span class='id identifier rubyid_wait'>wait</span>
<span class='kw'>true</span>
<span class='kw'>end</span></pre>
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