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Class: Ballast::OperationsChain
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<span class="title">OperationsChain</span>
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<div id="content"><h1>Class: Ballast::OperationsChain
</h1>
<dl class="box">
<dt class="r1">Inherits:</dt>
<dd class="r1">
<span class="inheritName"><span class='object_link'><a href="Operation.html" title="Ballast::Operation (class)">Operation</a></span></span>
<ul class="fullTree">
<li>Object</li>
<li class="next"><span class='object_link'><a href="Operation.html" title="Ballast::Operation (class)">Operation</a></span></li>
<li class="next">Ballast::OperationsChain</li>
</ul>
<a href="#" class="inheritanceTree">show all</a>
</dd>
<dt class="r2">Includes:</dt>
<dd class="r2">Interactor::Organizer</dd>
<dt class="r1 last">Defined in:</dt>
<dd class="r1 last">lib/ballast/operations_chain.rb</dd>
</dl>
<div class="clear"></div>
<h2>Overview</h2><div class="docstring">
<div class="discussion">
<p>A operation made of several operation run sequentially passing the common context. The chain will stop on the first failure.</p>
</div>
</div>
<div class="tags">
</div>
<h2>Instance Attribute Summary <small>(<a href="#" class="summary_toggle">collapse</a>)</small></h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#operations-instance_method" title="#operations (instance method)">- (Array) <strong>operations</strong> </a>
</span>
<span class="note title readonly">readonly</span>
<span class="summary_desc"><div class='inline'><p>The list of operations performed.</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="#perform-class_method" title="perform (class method)">+ (Operation) <strong>perform</strong>(argument, operations, context: nil, params: {}) </a>
</span>
<span class="summary_desc"><div class='inline'><p>Performs the chain.</p>
</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="#initialize-instance_method" title="#initialize (instance method)">- (OperationsChain) <strong>initialize</strong>(operations, context) </a>
</span>
<span class="note title constructor">constructor</span>
<span class="summary_desc"><div class='inline'><p>Creates a new chain.</p>
</div></span>
</li>
</ul>
<h3 class="inherited">Methods inherited from <span class='object_link'><a href="Operation.html" title="Ballast::Operation (class)">Operation</a></span></h3>
<p class="inherited"><span class='object_link'><a href="Operation.html#fail%21-instance_method" title="Ballast::Operation#fail! (method)">#fail!</a></span>, <span class='object_link'><a href="Operation.html#import_error-instance_method" title="Ballast::Operation#import_error (method)">#import_error</a></span>, <span class='object_link'><a href="Operation.html#import_response-instance_method" title="Ballast::Operation#import_response (method)">#import_response</a></span>, <span class='object_link'><a href="Operation.html#in_em_thread-instance_method" title="Ballast::Operation#in_em_thread (method)">#in_em_thread</a></span>, <span class='object_link'><a href="Operation.html#method_missing-instance_method" title="Ballast::Operation#method_missing (method)">#method_missing</a></span>, <span class='object_link'><a href="Operation.html#perform_with_handling-instance_method" title="Ballast::Operation#perform_with_handling (method)">#perform_with_handling</a></span>, <span class='object_link'><a href="Operation.html#resolve_error-instance_method" title="Ballast::Operation#resolve_error (method)">#resolve_error</a></span>, <span class='object_link'><a href="Operation.html#setup_response-instance_method" title="Ballast::Operation#setup_response (method)">#setup_response</a></span></p>
<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">
- (<tt><span class='object_link'><a href="" title="Ballast::OperationsChain (class)">OperationsChain</a></span></tt>) <strong>initialize</strong>(operations, context)
</h3><div class="docstring">
<div class="discussion">
<p>Creates a new chain.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>operations</span>
<span class='type'>(<tt>Array</tt>)</span>
—
<div class='inline'><p>The list of operations to perform.</p>
</div>
</li>
<li>
<span class='name'>context</span>
<span class='type'>(<tt><span class='object_link'><a href="Context.html" title="Ballast::Context (class)">Context</a></span></tt>)</span>
—
<div class='inline'><p>The context for the chain.</p>
</div>
</li>
</ul>
</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/ballast/operations_chain.rb', line 32</span>
<span class='kw'>def</span> <span class='id identifier rubyid_initialize'>initialize</span><span class='lparen'>(</span><span class='id identifier rubyid_operations'>operations</span><span class='comma'>,</span> <span class='id identifier rubyid_context'>context</span><span class='rparen'>)</span>
<span class='ivar'>@context</span> <span class='op'>=</span> <span class='id identifier rubyid_context'>context</span>
<span class='ivar'>@operations</span> <span class='op'>=</span> <span class='id identifier rubyid_operations'>operations</span><span class='period'>.</span><span class='id identifier rubyid_ensure_array'>ensure_array</span>
<span class='id identifier rubyid_setup'>setup</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
</div>
<div id="method_missing_details" class="method_details_list">
<h2>Dynamic Method Handling</h2>
<p class="notice super">
This class handles dynamic methods through the <tt>method_missing</tt> method
in the class <span class='object_link'><a href="Operation.html#method_missing-instance_method" title="Ballast::Operation#method_missing (method)">Ballast::Operation</a></span>
</p>
</div>
<div id="instance_attr_details" class="attr_details">
<h2>Instance Attribute Details</h2>
<span id=""></span>
<div class="method_details first">
<h3 class="signature first" id="operations-instance_method">
- (<tt>Array</tt>) <strong>operations</strong> <span class="extras">(readonly)</span>
</h3><div class="docstring">
<div class="discussion">
<p>Returns The list of operations performed.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>Array</tt>)</span>
—
<div class='inline'><p>The list of operations performed.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
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</td>
<td>
<pre class="code"><span class="info file"># File 'lib/ballast/operations_chain.rb', line 11</span>
<span class='kw'>class</span> <span class='const'>OperationsChain</span> <span class='op'><</span> <span class='const'>Operation</span>
<span class='id identifier rubyid_include'>include</span> <span class='op'>::</span><span class='const'>Interactor</span><span class='op'>::</span><span class='const'>Organizer</span>
<span class='id identifier rubyid_attr_reader'>attr_reader</span> <span class='symbol'>:operations</span>
<span class='comment'># Performs the chain.
</span> <span class='comment'>#
</span> <span class='comment'># @param argument [Object|Context] If is a context, then it will be the context of the operation, unless a blank a context with the object
</span> <span class='comment'># as owner will be created.
</span> <span class='comment'># @param operations [Array] The list of operations to perform.
</span> <span class='comment'># @param context [NilClass] The context for the operation. *Ignored if `owner_or_context` is a context.*
</span> <span class='comment'># @param params [Hash] The additional parameters for the new context. *Ignored if `owner_or_context` is a context.*
</span> <span class='comment'># @return [Operation] The performed chain.
</span> <span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_perform'>perform</span><span class='lparen'>(</span><span class='id identifier rubyid_argument'>argument</span><span class='comma'>,</span> <span class='id identifier rubyid_operations'>operations</span><span class='comma'>,</span> <span class='label'>context:</span> <span class='kw'>nil</span><span class='comma'>,</span> <span class='label'>params:</span> <span class='lbrace'>{</span><span class='rbrace'>}</span><span class='rparen'>)</span>
<span class='id identifier rubyid_argument'>argument</span> <span class='op'>=</span> <span class='lparen'>(</span><span class='id identifier rubyid_context'>context</span> <span class='op'>||</span> <span class='op'>::</span><span class='const'>Ballast</span><span class='op'>::</span><span class='const'>Context</span><span class='period'>.</span><span class='id identifier rubyid_build'>build</span><span class='lparen'>(</span><span class='id identifier rubyid_argument'>argument</span><span class='comma'>,</span> <span class='id identifier rubyid_params'>params</span><span class='rparen'>)</span><span class='rparen'>)</span> <span class='kw'>if</span> <span class='op'>!</span><span class='id identifier rubyid_argument'>argument</span><span class='period'>.</span><span class='id identifier rubyid_is_a?'>is_a?</span><span class='lparen'>(</span><span class='op'>::</span><span class='const'>Ballast</span><span class='op'>::</span><span class='const'>Context</span><span class='rparen'>)</span>
<span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='id identifier rubyid_operations'>operations</span><span class='comma'>,</span> <span class='id identifier rubyid_argument'>argument</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_tap'>tap</span><span class='lparen'>(</span><span class='op'>&</span><span class='symbol'>:perform</span><span class='rparen'>)</span>
<span class='kw'>end</span>
<span class='comment'># Creates a new chain.
</span> <span class='comment'>#
</span> <span class='comment'># @param operations [Array] The list of operations to perform.
</span> <span class='comment'># @param context [Context] The context for the chain.
</span> <span class='kw'>def</span> <span class='id identifier rubyid_initialize'>initialize</span><span class='lparen'>(</span><span class='id identifier rubyid_operations'>operations</span><span class='comma'>,</span> <span class='id identifier rubyid_context'>context</span><span class='rparen'>)</span>
<span class='ivar'>@context</span> <span class='op'>=</span> <span class='id identifier rubyid_context'>context</span>
<span class='ivar'>@operations</span> <span class='op'>=</span> <span class='id identifier rubyid_operations'>operations</span><span class='period'>.</span><span class='id identifier rubyid_ensure_array'>ensure_array</span>
<span class='id identifier rubyid_setup'>setup</span>
<span class='kw'>end</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
</div>
<div id="class_method_details" class="method_details_list">
<h2>Class Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="perform-class_method">
+ (<tt><span class='object_link'><a href="Operation.html" title="Ballast::Operation (class)">Operation</a></span></tt>) <strong>perform</strong>(argument, operations, context: nil, params: {})
</h3><div class="docstring">
<div class="discussion">
<p>Performs the chain.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>argument</span>
<span class='type'>(<tt>Object|<span class='object_link'><a href="Context.html" title="Ballast::Context (class)">Context</a></span></tt>)</span>
—
<div class='inline'><p>If is a context, then it will be the context of the operation, unless a blank a context with the object
as owner will be created.</p>
</div>
</li>
<li>
<span class='name'>operations</span>
<span class='type'>(<tt>Array</tt>)</span>
—
<div class='inline'><p>The list of operations to perform.</p>
</div>
</li>
<li>
<span class='name'>context</span>
<span class='type'>(<tt>NilClass</tt>)</span>
—
<div class='inline'><p>The context for the operation. <em>Ignored if <code>owner_or_context</code> is a context.</em></p>
</div>
</li>
<li>
<span class='name'>params</span>
<span class='type'>(<tt>Hash</tt>)</span>
—
<div class='inline'><p>The additional parameters for the new context. <em>Ignored if <code>owner_or_context</code> is a context.</em></p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt><span class='object_link'><a href="Operation.html" title="Ballast::Operation (class)">Operation</a></span></tt>)</span>
—
<div class='inline'><p>The performed chain.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
23
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</td>
<td>
<pre class="code"><span class="info file"># File 'lib/ballast/operations_chain.rb', line 23</span>
<span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_perform'>perform</span><span class='lparen'>(</span><span class='id identifier rubyid_argument'>argument</span><span class='comma'>,</span> <span class='id identifier rubyid_operations'>operations</span><span class='comma'>,</span> <span class='label'>context:</span> <span class='kw'>nil</span><span class='comma'>,</span> <span class='label'>params:</span> <span class='lbrace'>{</span><span class='rbrace'>}</span><span class='rparen'>)</span>
<span class='id identifier rubyid_argument'>argument</span> <span class='op'>=</span> <span class='lparen'>(</span><span class='id identifier rubyid_context'>context</span> <span class='op'>||</span> <span class='op'>::</span><span class='const'>Ballast</span><span class='op'>::</span><span class='const'>Context</span><span class='period'>.</span><span class='id identifier rubyid_build'>build</span><span class='lparen'>(</span><span class='id identifier rubyid_argument'>argument</span><span class='comma'>,</span> <span class='id identifier rubyid_params'>params</span><span class='rparen'>)</span><span class='rparen'>)</span> <span class='kw'>if</span> <span class='op'>!</span><span class='id identifier rubyid_argument'>argument</span><span class='period'>.</span><span class='id identifier rubyid_is_a?'>is_a?</span><span class='lparen'>(</span><span class='op'>::</span><span class='const'>Ballast</span><span class='op'>::</span><span class='const'>Context</span><span class='rparen'>)</span>
<span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='id identifier rubyid_operations'>operations</span><span class='comma'>,</span> <span class='id identifier rubyid_argument'>argument</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_tap'>tap</span><span class='lparen'>(</span><span class='op'>&</span><span class='symbol'>:perform</span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
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Generated on Wed Dec 25 15:52:54 2013 by
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