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 <div class="subTitle">javax.enterprise.inject</div>
 <h2 title="Interface Instance" class="title">Interface Instance&lt;T&gt;</h2>
 </div>
 <div class="contentContainer">
 <div class="description">
 <ul class="blockList">
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 <dl>
 <dt><span class="paramLabel">Type Parameters:</span></dt>
 <dd><code>T</code> - the required bean type</dd>
 </dl>
 <dl>
 <dt>All Superinterfaces:</dt>
 <dd>java.lang.Iterable&lt;T&gt;, <a href="../../../javax/inject/Provider.html" title="interface in javax.inject">Provider</a>&lt;T&gt;</dd>
 </dl>
 <dl>
 <dt>All Known Subinterfaces:</dt>
 <dd><a href="../../../javax/enterprise/inject/se/SeContainer.html" title="interface in javax.enterprise.inject.se">SeContainer</a></dd>
 </dl>
 <dl>
 <dt>All Known Implementing Classes:</dt>
 <dd><a href="../../../javax/enterprise/inject/spi/CDI.html" title="class in javax.enterprise.inject.spi">CDI</a></dd>
 </dl>
 <hr>
 <br>
 <pre>public interface <span class="typeNameLabel">Instance&lt;T&gt;</span>
 extends java.lang.Iterable&lt;T&gt;, <a href="../../../javax/inject/Provider.html" title="interface in javax.inject">Provider</a>&lt;T&gt;</pre>
 <div class="block"><p>
  Allows the application to dynamically obtain instances of beans with a specified combination of required type and qualifiers.
  </p>

  <p>
  In certain situations, injection is not the most convenient way to obtain a contextual reference. For example, it may not be
  used when:
  </p>

  <ul>
  <li>the bean type or qualifiers vary dynamically at runtime, or</li>
  <li>depending upon the deployment, there may be no bean which satisfies the type and qualifiers, or</li>
  <li>we would like to iterate over all beans of a certain type.</li>
  </ul>

  <p>
  In these situations, an instance of the <tt>Instance</tt> may be injected:
  </p>

  <pre>
  &#064;Inject
  Instance&lt;PaymentProcessor&gt; paymentProcessor;
  </pre>

  <p>
  Any combination of qualifiers may be specified at the injection point:
  </p>

  <pre>
  &#064;Inject
  &#064;PayBy(CHEQUE)
  Instance&lt;PaymentProcessor&gt; chequePaymentProcessor;
  </pre>

  <p>
  Or, the <a href="../../../javax/enterprise/inject/Any.html" title="annotation in javax.enterprise.inject"><code>&#064;Any</code></a> qualifier may be used, allowing the application to specify qualifiers
  dynamically:
  </p>

  <pre>
  &#064;Inject
  &#064;Any
  Instance&lt;PaymentProcessor&gt; anyPaymentProcessor;
  </pre>

  <p>
  Finally, the <a href="../../../javax/enterprise/inject/New.html" title="annotation in javax.enterprise.inject"><code>&#064;New</code></a> qualifier may be used, allowing the application to obtain a
  <a href="../../../javax/enterprise/inject/New.html" title="annotation in javax.enterprise.inject"><code>&#064;New</code></a> qualified bean:
  </p>

  <pre>
  &#064;Inject
  &#064;New(ChequePaymentProcessor.class)
  Instance&lt;PaymentProcessor&gt; chequePaymentProcessor;
  </pre>

  <p>
  For an injected <tt>Instance</tt>:
  </p>

  <ul>
  <li>the <em>required type</em> is the type parameter specified at the injection point, and</li>
  <li>the <em>required qualifiers</em> are the qualifiers specified at the injection point.</li>
  </ul>

  <p>
  The inherited <a href="../../../javax/inject/Provider.html#get--"><code>Provider.get()</code></a> method returns a contextual references for the unique bean that matches the
  required type and required qualifiers and is eligible for injection into the class into which the parent <tt>Instance</tt>
  was injected, or throws an <a href="../../../javax/enterprise/inject/UnsatisfiedResolutionException.html" title="class in javax.enterprise.inject"><code>UnsatisfiedResolutionException</code></a> or
  <a href="../../../javax/enterprise/inject/AmbiguousResolutionException.html" title="class in javax.enterprise.inject"><code>AmbiguousResolutionException</code></a>.
  </p>

  <pre>
  PaymentProcessor pp = chequePaymentProcessor.get();
  </pre>

  <p>
  The inherited <code>Iterable.iterator()</code> method returns an iterator over contextual references for beans that
  match the required type and required qualifiers and are eligible for injection into the class into which the parent
  <tt>Instance</tt> was injected.
  </p>

  <pre>
  for (PaymentProcessor pp : anyPaymentProcessor)
      pp.test();
  </pre></div>
 <dl>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="../../../javax/inject/Provider.html#get--"><code>Provider.get()</code></a>,
 <code>Iterable.iterator()</code>,
 <a href="../../../javax/enterprise/util/AnnotationLiteral.html" title="class in javax.enterprise.util"><code>AnnotationLiteral</code></a>,
 <a href="../../../javax/enterprise/util/TypeLiteral.html" title="class in javax.enterprise.util"><code>TypeLiteral</code></a></dd>
 <dt><span class="simpleTagLabel">Examples (en):</span></dt>
 <dd><a href="../../../../../../tomee-8.0/examples/cdi-dynamic-inject.html">cdi-dynamic-inject</a></dd>
 <dt><span class="simpleTagLabel">Examples (pt):</span></dt>
 <dd><a href="../../../../../../tomee-8.0/pt/examples/cdi-dynamic-inject.html">cdi-dynamic-inject</a></dd>
 </dl>
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 <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t5" class="tableTab"><span><a href="javascript:show(16);">Default Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tr id="i0" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/enterprise/inject/Instance.html#destroy-T-">destroy</a></span>(<a href="../../../javax/enterprise/inject/Instance.html" title="type parameter in Instance">T</a>&nbsp;instance)</code>
 <div class="block">
  When called, the container destroys the instance if the active context object for the scope type of the bean supports
  destroying bean instances.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/enterprise/inject/Instance.html#isAmbiguous--">isAmbiguous</a></span>()</code>
 <div class="block">
  Determines if there is more than one bean that matches the required type and qualifiers and is eligible for injection
  into the class into which the parent <tt>Instance</tt> was injected.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>default boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/enterprise/inject/Instance.html#isResolvable--">isResolvable</a></span>()</code>
 <div class="block">
  Determines if there is exactly one bean that matches the required type and qualifiers and is eligible for injection
  into the class into which the parent <tt>Instance</tt> was injected.</div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/enterprise/inject/Instance.html#isUnsatisfied--">isUnsatisfied</a></span>()</code>
 <div class="block">
  Determines if there is no bean that matches the required type and qualifiers and is eligible for injection into the class
  into which the parent <tt>Instance</tt> was injected.</div>
 </td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code><a href="../../../javax/enterprise/inject/Instance.html" title="interface in javax.enterprise.inject">Instance</a>&lt;<a href="../../../javax/enterprise/inject/Instance.html" title="type parameter in Instance">T</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/enterprise/inject/Instance.html#select-java.lang.annotation.Annotation...-">select</a></span>(java.lang.annotation.Annotation...&nbsp;qualifiers)</code>
 <div class="block">
  Obtains a child <tt>Instance</tt> for the given additional required qualifiers.</div>
 </td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>&lt;U extends <a href="../../../javax/enterprise/inject/Instance.html" title="type parameter in Instance">T</a>&gt;<br><a href="../../../javax/enterprise/inject/Instance.html" title="interface in javax.enterprise.inject">Instance</a>&lt;U&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/enterprise/inject/Instance.html#select-java.lang.Class-java.lang.annotation.Annotation...-">select</a></span>(java.lang.Class&lt;U&gt;&nbsp;subtype,
       java.lang.annotation.Annotation...&nbsp;qualifiers)</code>
 <div class="block">
  Obtains a child <tt>Instance</tt> for the given required type and additional required qualifiers.</div>
 </td>
 </tr>
 <tr id="i6" class="altColor">
 <td class="colFirst"><code>&lt;U extends <a href="../../../javax/enterprise/inject/Instance.html" title="type parameter in Instance">T</a>&gt;<br><a href="../../../javax/enterprise/inject/Instance.html" title="interface in javax.enterprise.inject">Instance</a>&lt;U&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/enterprise/inject/Instance.html#select-javax.enterprise.util.TypeLiteral-java.lang.annotation.Annotation...-">select</a></span>(<a href="../../../javax/enterprise/util/TypeLiteral.html" title="class in javax.enterprise.util">TypeLiteral</a>&lt;U&gt;&nbsp;subtype,
       java.lang.annotation.Annotation...&nbsp;qualifiers)</code>
 <div class="block">
  Obtains a child <tt>Instance</tt> for the given required type and additional required qualifiers.</div>
 </td>
 </tr>
 <tr id="i7" class="rowColor">
 <td class="colFirst"><code>default java.util.stream.Stream&lt;<a href="../../../javax/enterprise/inject/Instance.html" title="type parameter in Instance">T</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/enterprise/inject/Instance.html#stream--">stream</a></span>()</code>
 <div class="block">
  When called, provides back a Stream of the beans available in this Instance.</div>
 </td>
 </tr>
 </table>
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 <li class="blockList"><a name="methods.inherited.from.class.java.lang.Iterable">
 <!--   -->
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 <h3>Methods inherited from interface&nbsp;java.lang.Iterable</h3>
 <code>forEach, iterator, spliterator</code></li>
 </ul>
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 <!--   -->
 </a>
 <h3>Methods inherited from interface&nbsp;javax.inject.<a href="../../../javax/inject/Provider.html" title="interface in javax.inject">Provider</a></h3>
 <code><a href="../../../javax/inject/Provider.html#get--">get</a></code></li>
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 <h3>Method Detail</h3>
 <a name="select-java.lang.annotation.Annotation...-">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>select</h4>
 <pre><a href="../../../javax/enterprise/inject/Instance.html" title="interface in javax.enterprise.inject">Instance</a>&lt;<a href="../../../javax/enterprise/inject/Instance.html" title="type parameter in Instance">T</a>&gt;&nbsp;select(java.lang.annotation.Annotation...&nbsp;qualifiers)</pre>
 <div class="block"><p>
  Obtains a child <tt>Instance</tt> for the given additional required qualifiers.
  </p></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>qualifiers</code> - the additional required qualifiers</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the child <tt>Instance</tt></dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code>java.lang.IllegalArgumentException</code> - if passed two instances of the same non repeating qualifier type, or an instance of an annotation that
          is not a qualifier type</dd>
 <dd><code>java.lang.IllegalStateException</code> - if the container is already shutdown</dd>
 </dl>
 </li>
 </ul>
 <a name="select-java.lang.Class-java.lang.annotation.Annotation...-">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>select</h4>
 <pre>&lt;U extends <a href="../../../javax/enterprise/inject/Instance.html" title="type parameter in Instance">T</a>&gt;&nbsp;<a href="../../../javax/enterprise/inject/Instance.html" title="interface in javax.enterprise.inject">Instance</a>&lt;U&gt;&nbsp;select(java.lang.Class&lt;U&gt;&nbsp;subtype,
                                  java.lang.annotation.Annotation...&nbsp;qualifiers)</pre>
 <div class="block"><p>
  Obtains a child <tt>Instance</tt> for the given required type and additional required qualifiers.
  </p></div>
 <dl>
 <dt><span class="paramLabel">Type Parameters:</span></dt>
 <dd><code>U</code> - the required type</dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>subtype</code> - a <code>Class</code> representing the required type</dd>
 <dd><code>qualifiers</code> - the additional required qualifiers</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the child <tt>Instance</tt></dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code>java.lang.IllegalArgumentException</code> - if passed two instances of the same non repeating qualifier type, or an instance of an annotation that
          is not a qualifier type</dd>
 <dd><code>java.lang.IllegalStateException</code> - if the container is already shutdown</dd>
 </dl>
 </li>
 </ul>
 <a name="select-javax.enterprise.util.TypeLiteral-java.lang.annotation.Annotation...-">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>select</h4>
 <pre>&lt;U extends <a href="../../../javax/enterprise/inject/Instance.html" title="type parameter in Instance">T</a>&gt;&nbsp;<a href="../../../javax/enterprise/inject/Instance.html" title="interface in javax.enterprise.inject">Instance</a>&lt;U&gt;&nbsp;select(<a href="../../../javax/enterprise/util/TypeLiteral.html" title="class in javax.enterprise.util">TypeLiteral</a>&lt;U&gt;&nbsp;subtype,
                                  java.lang.annotation.Annotation...&nbsp;qualifiers)</pre>
 <div class="block"><p>
  Obtains a child <tt>Instance</tt> for the given required type and additional required qualifiers.
  </p></div>
 <dl>
 <dt><span class="paramLabel">Type Parameters:</span></dt>
 <dd><code>U</code> - the required type</dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>subtype</code> - a <a href="../../../javax/enterprise/util/TypeLiteral.html" title="class in javax.enterprise.util"><code>TypeLiteral</code></a> representing the required type</dd>
 <dd><code>qualifiers</code> - the additional required qualifiers</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the child <tt>Instance</tt></dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code>java.lang.IllegalArgumentException</code> - if passed two instances of the same non repeating qualifier type, or an instance of an annotation that
          is not a qualifier type</dd>
 <dd><code>java.lang.IllegalStateException</code> - if the container is already shutdown</dd>
 </dl>
 </li>
 </ul>
 <a name="stream--">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>stream</h4>
 <pre>default&nbsp;java.util.stream.Stream&lt;<a href="../../../javax/enterprise/inject/Instance.html" title="type parameter in Instance">T</a>&gt;&nbsp;stream()</pre>
 <div class="block"><p>
  When called, provides back a Stream of the beans available in this Instance. If no beans are found, it returns an empty
  stream.
  </p></div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>a <tt>Stream</tt> representing the beans associated with this <a href="../../../javax/enterprise/inject/Instance.html" title="interface in javax.enterprise.inject"><code>Instance</code></a> object</dd>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>2.0</dd>
 </dl>
 </li>
 </ul>
 <a name="isUnsatisfied--">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>isUnsatisfied</h4>
 <pre>boolean&nbsp;isUnsatisfied()</pre>
 <div class="block"><p>
  Determines if there is no bean that matches the required type and qualifiers and is eligible for injection into the class
  into which the parent <tt>Instance</tt> was injected.
  </p></div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><tt>true</tt> if there is no bean that matches the required type and qualifiers and is eligible for injection
          into the class into which the parent <tt>Instance</tt> was injected, or <tt>false</tt> otherwise.</dd>
 </dl>
 </li>
 </ul>
 <a name="isAmbiguous--">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>isAmbiguous</h4>
 <pre>boolean&nbsp;isAmbiguous()</pre>
 <div class="block"><p>
  Determines if there is more than one bean that matches the required type and qualifiers and is eligible for injection
  into the class into which the parent <tt>Instance</tt> was injected.
  </p></div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><tt>true</tt> if there is more than one bean that matches the required type and qualifiers and is eligible for
          injection into the class into which the parent <tt>Instance</tt> was injected, or <tt>false</tt> otherwise.</dd>
 </dl>
 </li>
 </ul>
 <a name="isResolvable--">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>isResolvable</h4>
 <pre>default&nbsp;boolean&nbsp;isResolvable()</pre>
 <div class="block"><p>
  Determines if there is exactly one bean that matches the required type and qualifiers and is eligible for injection
  into the class into which the parent <tt>Instance</tt> was injected.
  </p></div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><tt>true</tt> if there is exactly one bean that matches the required type and qualifiers and is eligible for
          injection into the class into which the parent <tt>Instance</tt> was injected, or <tt>false</tt> otherwise.</dd>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>2.0</dd>
 </dl>
 </li>
 </ul>
 <a name="destroy-java.lang.Object-">
 <!--   -->
 </a><a name="destroy-T-">
 <!--   -->
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 <li class="blockList">
 <h4>destroy</h4>
 <pre>void&nbsp;destroy(<a href="../../../javax/enterprise/inject/Instance.html" title="type parameter in Instance">T</a>&nbsp;instance)</pre>
 <div class="block"><p>
  When called, the container destroys the instance if the active context object for the scope type of the bean supports
  destroying bean instances. All normal scoped built-in contexts support destroying bean instances.
  </p>

  <p>
  The instance passed should either be a dependent scoped bean instance obtained from the same <a href="../../../javax/enterprise/inject/Instance.html" title="interface in javax.enterprise.inject"><code>Instance</code></a> object, or
  the client proxy for a normal scoped bean instance.
  </p></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>instance</code> - the instance to destroy</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code>java.lang.UnsupportedOperationException</code> - if the active context object for the scope type of the bean does not support
          destroying bean instances</dd>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>1.1</dd>
 </dl>
 </li>
 </ul>
 </li>
 </ul>
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