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ResolvableFuture.html
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ResolvableFuture.html
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<!DOCTYPE html>
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Class: Concurrent::Promises::ResolvableFuture
— Concurrent Ruby
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<div id="content"><h1>Class: Concurrent::Promises::ResolvableFuture
</h1>
<div class="box_info">
<dl>
<dt>Inherits:</dt>
<dd>
<span class="inheritName"><span class='object_link'><a href="Future.html" title="Concurrent::Promises::Future (class)">Future</a></span></span>
<ul class="fullTree">
<li>Object</li>
<li class="next"><span class='object_link'><a href="../Synchronization/Object.html" title="Concurrent::Synchronization::Object (class)">Synchronization::Object</a></span></li>
<li class="next"><span class='object_link'><a href="AbstractEventFuture.html" title="Concurrent::Promises::AbstractEventFuture (class)">AbstractEventFuture</a></span></li>
<li class="next"><span class='object_link'><a href="Future.html" title="Concurrent::Promises::Future (class)">Future</a></span></li>
<li class="next">Concurrent::Promises::ResolvableFuture</li>
</ul>
<a href="#" class="inheritanceTree">show all</a>
</dd>
</dl>
<dl>
<dt>Includes:</dt>
<dd><span class='object_link'><a href="Resolvable.html" title="Concurrent::Promises::Resolvable (module)">Resolvable</a></span></dd>
</dl>
<dl>
<dt>Defined in:</dt>
<dd>lib/concurrent/promises.rb</dd>
</dl>
</div>
<h2>Overview</h2><div class="docstring">
<div class="discussion">
<p>A Future which can be resolved by user.</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="#evaluate_to-instance_method" title="#evaluate_to (instance method)">#<strong>evaluate_to</strong>(*args) {|*args| ... } ⇒ self </a>
</span>
<span class="summary_desc"><div class='inline'><p>Evaluates the block and sets its result as future's value fulfilling, if the block raises an exception the future rejects with it.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#evaluate_to!-instance_method" title="#evaluate_to! (instance method)">#<strong>evaluate_to!</strong>(*args) {|*args| ... } ⇒ self </a>
</span>
<span class="summary_desc"><div class='inline'><p>Evaluates the block and sets its result as future's value fulfilling, if the block raises an exception the future rejects with it.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#fulfill-instance_method" title="#fulfill (instance method)">#<strong>fulfill</strong>(value, raise_on_reassign = true) ⇒ self, false </a>
</span>
<span class="summary_desc"><div class='inline'><p>Makes the future fulfilled with <code>value</code>, which triggers all dependent futures.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#reject-instance_method" title="#reject (instance method)">#<strong>reject</strong>(reason, raise_on_reassign = true) ⇒ self, false </a>
</span>
<span class="summary_desc"><div class='inline'><p>Makes the future rejected with <code>reason</code>, which triggers all dependent futures.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#resolve-instance_method" title="#resolve (instance method)">#<strong>resolve</strong>(fulfilled = true, value = nil, reason = nil, raise_on_reassign = true) ⇒ self, false </a>
</span>
<span class="summary_desc"><div class='inline'><p>Makes the future resolved with result of triplet <code>fulfilled?</code>, <code>value</code>, <code>reason</code>, which triggers all dependent futures.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#with_hidden_resolvable-instance_method" title="#with_hidden_resolvable (instance method)">#<strong>with_hidden_resolvable</strong> ⇒ Future </a>
</span>
<span class="summary_desc"><div class='inline'><p>Creates new future wrapping receiver, effectively hiding the resolve method and similar.</p>
</div></span>
</li>
</ul>
<div id="instance_method_details" class="method_details_list">
<h2>Instance Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="evaluate_to-instance_method">
#<strong>evaluate_to</strong>(*args) {|*args| ... } ⇒ <tt>self</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Evaluates the block and sets its result as future's value fulfilling, if the block raises
an exception the future rejects with it.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Yields:</p>
<ul class="yield">
<li>
<span class='type'>(<tt>*args</tt>)</span>
—
<div class='inline'><p>to the block.</p>
</div>
</li>
</ul>
<p class="tag_title">Yield Returns:</p>
<ul class="yieldreturn">
<li>
<span class='type'>(<tt>Object</tt>)</span>
—
<div class='inline'><p>value</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>self</tt>)</span>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
1275
1276
1277</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/concurrent/promises.rb', line 1275</span>
<span class='kw'>def</span> <span class='id identifier rubyid_evaluate_to'>evaluate_to</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_block'>block</span><span class='rparen'>)</span>
<span class='id identifier rubyid_promise'>promise</span><span class='period'>.</span><span class='id identifier rubyid_evaluate_to'>evaluate_to</span><span class='lparen'>(</span><span class='op'>*</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'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="evaluate_to!-instance_method">
#<strong>evaluate_to!</strong>(*args) {|*args| ... } ⇒ <tt>self</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Evaluates the block and sets its result as future's value fulfilling, if the block raises
an exception the future rejects with it.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Yields:</p>
<ul class="yield">
<li>
<span class='type'>(<tt>*args</tt>)</span>
—
<div class='inline'><p>to the block.</p>
</div>
</li>
</ul>
<p class="tag_title">Yield Returns:</p>
<ul class="yieldreturn">
<li>
<span class='type'>(<tt>Object</tt>)</span>
—
<div class='inline'><p>value</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>self</tt>)</span>
</li>
</ul>
<p class="tag_title">Raises:</p>
<ul class="raise">
<li>
<span class='type'>(<tt>Exception</tt>)</span>
—
<div class='inline'><p>also raise reason on rejection.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
1285
1286
1287</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/concurrent/promises.rb', line 1285</span>
<span class='kw'>def</span> <span class='id identifier rubyid_evaluate_to!'>evaluate_to!</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_block'>block</span><span class='rparen'>)</span>
<span class='id identifier rubyid_promise'>promise</span><span class='period'>.</span><span class='id identifier rubyid_evaluate_to'>evaluate_to</span><span class='lparen'>(</span><span class='op'>*</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='period'>.</span><span class='id identifier rubyid_wait!'>wait!</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="fulfill-instance_method">
#<strong>fulfill</strong>(value, raise_on_reassign = true) ⇒ <tt>self</tt>, <tt>false</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Makes the future fulfilled with <code>value</code>,
which triggers all dependent futures.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>raise_on_reassign</span>
<span class='type'>(<tt>Boolean</tt>)</span>
<em class="default">(defaults to: <tt>true</tt>)</em>
—
<div class='inline'><p>should method raise exception if already resolved</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>self</tt>, <tt>false</tt>)</span>
—
<div class='inline'><p>false is returner when raise_on_reassign is false and the receiver
is already resolved.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
1258
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1260</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/concurrent/promises.rb', line 1258</span>
<span class='kw'>def</span> <span class='id identifier rubyid_fulfill'>fulfill</span><span class='lparen'>(</span><span class='id identifier rubyid_value'>value</span><span class='comma'>,</span> <span class='id identifier rubyid_raise_on_reassign'>raise_on_reassign</span> <span class='op'>=</span> <span class='kw'>true</span><span class='rparen'>)</span>
<span class='id identifier rubyid_promise'>promise</span><span class='period'>.</span><span class='id identifier rubyid_fulfill'>fulfill</span><span class='lparen'>(</span><span class='id identifier rubyid_value'>value</span><span class='comma'>,</span> <span class='id identifier rubyid_raise_on_reassign'>raise_on_reassign</span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="reject-instance_method">
#<strong>reject</strong>(reason, raise_on_reassign = true) ⇒ <tt>self</tt>, <tt>false</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Makes the future rejected with <code>reason</code>,
which triggers all dependent futures.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>raise_on_reassign</span>
<span class='type'>(<tt>Boolean</tt>)</span>
<em class="default">(defaults to: <tt>true</tt>)</em>
—
<div class='inline'><p>should method raise exception if already resolved</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>self</tt>, <tt>false</tt>)</span>
—
<div class='inline'><p>false is returner when raise_on_reassign is false and the receiver
is already resolved.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
1266
1267
1268</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/concurrent/promises.rb', line 1266</span>
<span class='kw'>def</span> <span class='id identifier rubyid_reject'>reject</span><span class='lparen'>(</span><span class='id identifier rubyid_reason'>reason</span><span class='comma'>,</span> <span class='id identifier rubyid_raise_on_reassign'>raise_on_reassign</span> <span class='op'>=</span> <span class='kw'>true</span><span class='rparen'>)</span>
<span class='id identifier rubyid_promise'>promise</span><span class='period'>.</span><span class='id identifier rubyid_reject'>reject</span><span class='lparen'>(</span><span class='id identifier rubyid_reason'>reason</span><span class='comma'>,</span> <span class='id identifier rubyid_raise_on_reassign'>raise_on_reassign</span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="resolve-instance_method">
#<strong>resolve</strong>(fulfilled = true, value = nil, reason = nil, raise_on_reassign = true) ⇒ <tt>self</tt>, <tt>false</tt>
</h3><div class="docstring">
<div class="discussion">
<p>Makes the future resolved with result of triplet <code>fulfilled?</code>, <code>value</code>, <code>reason</code>,
which triggers all dependent futures.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>raise_on_reassign</span>
<span class='type'>(<tt>Boolean</tt>)</span>
<em class="default">(defaults to: <tt>true</tt>)</em>
—
<div class='inline'><p>should method raise exception if already resolved</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>self</tt>, <tt>false</tt>)</span>
—
<div class='inline'><p>false is returner when raise_on_reassign is false and the receiver
is already resolved.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
1250
1251
1252</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/concurrent/promises.rb', line 1250</span>
<span class='kw'>def</span> <span class='id identifier rubyid_resolve'>resolve</span><span class='lparen'>(</span><span class='id identifier rubyid_fulfilled'>fulfilled</span> <span class='op'>=</span> <span class='kw'>true</span><span class='comma'>,</span> <span class='id identifier rubyid_value'>value</span> <span class='op'>=</span> <span class='kw'>nil</span><span class='comma'>,</span> <span class='id identifier rubyid_reason'>reason</span> <span class='op'>=</span> <span class='kw'>nil</span><span class='comma'>,</span> <span class='id identifier rubyid_raise_on_reassign'>raise_on_reassign</span> <span class='op'>=</span> <span class='kw'>true</span><span class='rparen'>)</span>
<span class='id identifier rubyid_resolve_with'>resolve_with</span><span class='lparen'>(</span><span class='id identifier rubyid_fulfilled'>fulfilled</span> <span class='op'>?</span> <span class='const'>Fulfilled</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='id identifier rubyid_value'>value</span><span class='rparen'>)</span> <span class='op'>:</span> <span class='const'>Rejected</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='id identifier rubyid_reason'>reason</span><span class='rparen'>)</span><span class='comma'>,</span> <span class='id identifier rubyid_raise_on_reassign'>raise_on_reassign</span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
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<div class="method_details ">
<h3 class="signature " id="with_hidden_resolvable-instance_method">
#<strong>with_hidden_resolvable</strong> ⇒ <tt><span class='object_link'><a href="Future.html" title="Concurrent::Promises::Future (class)">Future</a></span></tt>
</h3><div class="docstring">
<div class="discussion">
<p>Creates new future wrapping receiver, effectively hiding the resolve method and similar.</p>
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<div class="tags">
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt><span class='object_link'><a href="Future.html" title="Concurrent::Promises::Future (class)">Future</a></span></tt>)</span>
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</ul>
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<pre class="code"><span class="info file"># File 'lib/concurrent/promises.rb', line 1292</span>
<span class='kw'>def</span> <span class='id identifier rubyid_with_hidden_resolvable'>with_hidden_resolvable</span>
<span class='ivar'>@with_hidden_resolvable</span> <span class='op'>||=</span> <span class='const'>FutureWrapperPromise</span><span class='period'>.</span><span class='id identifier rubyid_new_blocked_by1'>new_blocked_by1</span><span class='lparen'>(</span><span class='kw'>self</span><span class='comma'>,</span> <span class='ivar'>@DefaultExecutor</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_future'>future</span>
<span class='kw'>end</span></pre>
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