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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">it.tidalwave.util.spi</a></div>
<h2 title="Class PriorityAsSupport" class="title">Class PriorityAsSupport</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<li>it.tidalwave.util.spi.AsSupport</li>
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<li>it.tidalwave.util.spi.PriorityAsSupport</li>
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<dd><code>it.tidalwave.util.As</code></dd>
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<pre style="white-space:pre-wrap;">public class <span class="typeNameLabel">PriorityAsSupport</span>
extends it.tidalwave.util.spi.AsSupport
implements it.tidalwave.util.As</pre>
<div class="block">A specialisation of <code>AsSupport</code> that deals with multiple roles of the same type by prioritising them; they
are ordered from most relevant to least relevant (where relevance is associated to specialisation, that is most
specialised roles, or roles associated via <code>@DciRole</code> to most specialised datum classes, are most relevant).
FIXME: could be seen as a replacement to <code>AsSupport</code>?</div>
| could be seen as a replacement to AsSupport? | |
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Fabrizio Giudici</dd>
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<td class="colFirst"><code>static interface </code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="PriorityAsSupport.RoleProvider.html" title="interface in it.tidalwave.util.spi">PriorityAsSupport.RoleProvider</a></span></code></th>
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<h3>Nested classes/interfaces inherited from interface it.tidalwave.util.As</h3>
<code>it.tidalwave.util.As.Defaults, it.tidalwave.util.As.NotFoundBehaviour<T extends java.lang.Object></code></li>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.Object)">PriorityAsSupport</a></span>​(java.lang.Object owner)</code></th>
<td class="colLast"> </td>
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<tr class="rowColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.Object,it.tidalwave.util.spi.PriorityAsSupport.RoleProvider,java.util.Collection)">PriorityAsSupport</a></span>​(java.lang.Object owner,
<a href="PriorityAsSupport.RoleProvider.html" title="interface in it.tidalwave.util.spi">PriorityAsSupport.RoleProvider</a> additionalRoleProvider,
java.util.Collection<java.lang.Object> rolesOrFactories)</code></th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.Object,java.util.Collection)">PriorityAsSupport</a></span>​(java.lang.Object owner,
java.util.Collection<java.lang.Object> rolesOrFactories)</code></th>
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<td class="colFirst"><code><T> T</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#as(java.lang.Class)">as</a></span>​(java.lang.Class<T> type)</code></th>
<td class="colLast">
<div class="block">
Returned roles can be associated both to this type and to the delegate; the one with the higher priority is
returned.</div>
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<td class="colFirst"><code><T> T</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#as(java.lang.Class,it.tidalwave.util.As.NotFoundBehaviour)">as</a></span>​(java.lang.Class<T> type,
it.tidalwave.util.As.NotFoundBehaviour<T> notFoundBehaviour)</code></th>
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<div class="block">
Returned roles can be associated both to this type and to the delegate; the one with the higher priority is
returned.</div>
</td>
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<td class="colFirst"><code><T> java.util.Collection<T></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#asMany(java.lang.Class)">asMany</a></span>​(java.lang.Class<T> type)</code></th>
<td class="colLast">
<div class="block">
Returned roles can be associated both to this type and to the delegate; the one with the higher priority is
returned.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><T> java.util.Optional<T></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#maybeAs(java.lang.Class)">maybeAs</a></span>​(java.lang.Class<T> type)</code></th>
<td class="colLast">
<div class="block">
Returned roles can be associated both to this type and to the delegate; the one with the higher priority is
returned.</div>
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<h4>PriorityAsSupport</h4>
<pre>public PriorityAsSupport​(java.lang.Object owner)</pre>
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<h4>PriorityAsSupport</h4>
<pre>public PriorityAsSupport​(@Nonnull
java.lang.Object owner,
@Nonnull
java.util.Collection<java.lang.Object> rolesOrFactories)</pre>
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<h4>PriorityAsSupport</h4>
<pre>public PriorityAsSupport​(@Nonnull
java.lang.Object owner,
@Nonnull
<a href="PriorityAsSupport.RoleProvider.html" title="interface in it.tidalwave.util.spi">PriorityAsSupport.RoleProvider</a> additionalRoleProvider,
@Nonnull
java.util.Collection<java.lang.Object> rolesOrFactories)</pre>
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<h4>as</h4>
<pre class="methodSignature">@Nonnull
public <T> T as​(@Nonnull
java.lang.Class<T> type)</pre>
<div class="block">
Returned roles can be associated both to this type and to the delegate; the one with the higher priority is
returned. See <a href="#asMany(java.lang.Class)"><code>asMany(java.lang.Class)</code></a> for further details.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>as</code> in interface <code>it.tidalwave.util.As</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>as</code> in class <code>it.tidalwave.util.spi.AsSupport</code></dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="#asMany(java.lang.Class)"><code>asMany(java.lang.Class)</code></a></dd>
</dl>
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<h4>as</h4>
<pre class="methodSignature">@Nonnull
public <T> T as​(@Nonnull
java.lang.Class<T> type,
@Nonnull
it.tidalwave.util.As.NotFoundBehaviour<T> notFoundBehaviour)</pre>
<div class="block">
Returned roles can be associated both to this type and to the delegate; the one with the higher priority is
returned. See <a href="#asMany(java.lang.Class)"><code>asMany(java.lang.Class)</code></a> for further details.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>as</code> in interface <code>it.tidalwave.util.As</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>as</code> in class <code>it.tidalwave.util.spi.AsSupport</code></dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="#asMany(java.lang.Class)"><code>asMany(java.lang.Class)</code></a></dd>
</dl>
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<h4>maybeAs</h4>
<pre class="methodSignature">@Nonnull
public <T> java.util.Optional<T> maybeAs​(@Nonnull
java.lang.Class<T> type)</pre>
<div class="block">
Returned roles can be associated both to this type and to the delegate; the one with the higher priority is
returned. See <a href="#asMany(java.lang.Class)"><code>asMany(java.lang.Class)</code></a> for further details.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>maybeAs</code> in interface <code>it.tidalwave.util.As</code></dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="#asMany(java.lang.Class)"><code>asMany(java.lang.Class)</code></a></dd>
</dl>
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<h4>asMany</h4>
<pre class="methodSignature">@Nonnull
public <T> java.util.Collection<T> asMany​(@Nonnull
java.lang.Class<T> type)</pre>
<div class="block">
Returned roles can be associated both to this type and to the delegate; the one with the higher priority is
returned. The ones associated to this type come with higher priority (this makes sense, being this class a
decorator, specific roles could be associated to it). But given that the default implementation of asMany()
doesn't guarantee ant order (see TFT-192) there's something to take care of. Currently this method contains
some hardwired priority logics.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>asMany</code> in interface <code>it.tidalwave.util.As</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>asMany</code> in class <code>it.tidalwave.util.spi.AsSupport</code></dd>
</dl>
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