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| <li>Summary: </li> |
| <li>Required | </li> |
| <li><a href="#annotation_type_optional_element_summary">Optional</a></li> |
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| <div class="subTitle">org.apache.felix.ipojo.annotations</div> |
| <h2 title="Annotation Type Component" class="title">Annotation Type Component</h2> |
| </div> |
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| <div class="description"> |
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| <hr> |
| <br> |
| <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/annotation/Target.html?is-external=true" title="class or interface in java.lang.annotation">@Target</a>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/annotation/Target.html?is-external=true#value()" title="class or interface in java.lang.annotation">value</a>={<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/annotation/ElementType.html?is-external=true#TYPE" title="class or interface in java.lang.annotation">TYPE</a>,<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/annotation/ElementType.html?is-external=true#ANNOTATION_TYPE" title="class or interface in java.lang.annotation">ANNOTATION_TYPE</a>}) |
| public @interface <a href="../../../../../src-html/org/apache/felix/ipojo/annotations/Component.html#line.54">Component</a></pre> |
| <div class="block">Declares a component type (needed to create instances of the component). |
| This annotation is mandatory to declares an iPOJO component. |
| |
| Its usual to find it on top of class definition: |
| <pre> |
| <code>@Component</code> |
| public class MyComponent { |
| // ... |
| } |
| </pre> |
| |
| But, it is also possible to have it associated to a |
| <a href="../../../../../org/apache/felix/ipojo/annotations/Stereotype.html" title="annotation in org.apache.felix.ipojo.annotations">stereotyped</a> annotation definition: |
| <pre> |
| <code>@Component</code> |
| <a href="../../../../../org/apache/felix/ipojo/annotations/Instantiate.html" title="annotation in org.apache.felix.ipojo.annotations">@Instantiate</a> |
| <a href="../../../../../org/apache/felix/ipojo/annotations/Stereotype.html" title="annotation in org.apache.felix.ipojo.annotations">@Stereotype</a> |
| public @interface AutoInstantiatedComponent { |
| // ... |
| } |
| </pre> |
| |
| <h2>See also</h2> |
| <ul> |
| <li><a href="http://felix.apache.org/documentation/subprojects/apache-felix-ipojo/apache-felix-ipojo-userguide/ipojo-advanced-topics/how-to-use-ipojo-factories.html">Use iPOJO Factories</a></li> |
| </ul></div> |
| <dl><dt><span class="strong">Author:</span></dt> |
| <dd><a href="mailto:dev@felix.apache.org">Felix Project Team</a></dd></dl> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- =========== ANNOTATION TYPE OPTIONAL MEMBER SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="annotation_type_optional_element_summary"> |
| <!-- --> |
| </a> |
| <h3>Optional Element Summary</h3> |
| <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Optional Element Summary table, listing optional elements, and an explanation"> |
| <caption><span>Optional Elements</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Optional Element and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/felix/ipojo/annotations/Component.html#architecture()">architecture</a></strong></code> |
| <div class="block">Enable / Disable the architecture exposition (no <code>Architecture</code> |
| service will be exposed for component's instances).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/felix/ipojo/annotations/Component.html#factory_method()">factory_method</a></strong></code> |
| <div class="block"><strong>Deprecated.</strong> |
| <div class="block"><i>now is called <tt>factoryMethod</tt>.</i></div> |
| </div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/felix/ipojo/annotations/Component.html#factoryMethod()">factoryMethod</a></strong></code> |
| <div class="block">Set the factory-method, if the pojo has to be created |
| from a static method.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/felix/ipojo/annotations/Component.html#immediate()">immediate</a></strong></code> |
| <div class="block">Set if the component is immediate.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/felix/ipojo/annotations/Component.html#managedservice()">managedservice</a></strong></code> |
| <div class="block">Set the Managed Service PID for Configuration Admin.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/felix/ipojo/annotations/Component.html#name()">name</a></strong></code> |
| <div class="block">Set the component type name.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/felix/ipojo/annotations/Component.html#propagation()">propagation</a></strong></code> |
| <div class="block">Enable or disable the configuration propagation to service properties.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/felix/ipojo/annotations/Component.html#public_factory()">public_factory</a></strong></code> |
| <div class="block"><strong>Deprecated.</strong> |
| <div class="block"><i>renamed to publicFactory.</i></div> |
| </div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/felix/ipojo/annotations/Component.html#publicFactory()">publicFactory</a></strong></code> |
| <div class="block">Set if the component type is public or private (defaults to public).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/felix/ipojo/annotations/Component.html#version()">version</a></strong></code> |
| <div class="block">Set the version of the component type.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ ANNOTATION TYPE MEMBER DETAIL =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="annotation_type_element_detail"> |
| <!-- --> |
| </a> |
| <h3>Element Detail</h3> |
| <a name="public_factory()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>public_factory</h4> |
| <pre>public abstract boolean <a href="../../../../../src-html/org/apache/felix/ipojo/annotations/Component.html#line.61">public_factory</a></pre> |
| <div class="block"><span class="strong">Deprecated.</span> <i>renamed to publicFactory.</i></div> |
| <div class="block">Set if the component type is public.</div> |
| <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/felix/ipojo/annotations/Component.html#publicFactory()"><code>publicFactory()</code></a></dd></dl> |
| <dl> |
| <dt>Default:</dt> |
| <dd>true</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="publicFactory()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>publicFactory</h4> |
| <pre>public abstract boolean <a href="../../../../../src-html/org/apache/felix/ipojo/annotations/Component.html#line.75">publicFactory</a></pre> |
| <div class="block">Set if the component type is public or private (defaults to public). |
| A private factory does not expose a <code>Factory</code> service. |
| Only instances declared in the same bundle are created. |
| <pre> |
| <code>@Component(publicFactory = false)</code> |
| public class MyComponent { |
| // ... |
| } |
| </pre> |
| Default: true</div> |
| <dl> |
| <dt>Default:</dt> |
| <dd>true</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="name()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>name</h4> |
| <pre>public abstract <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/felix/ipojo/annotations/Component.html#line.87">name</a></pre> |
| <div class="block">Set the component type name. |
| <pre> |
| <code>@Component(name = "my-component")</code> |
| public class MyComponent { |
| // ... |
| } |
| </pre> |
| Default : implementation class name.</div> |
| <dl> |
| <dt>Default:</dt> |
| <dd>""</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="architecture()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>architecture</h4> |
| <pre>public abstract boolean <a href="../../../../../src-html/org/apache/felix/ipojo/annotations/Component.html#line.100">architecture</a></pre> |
| <div class="block">Enable / Disable the architecture exposition (no <code>Architecture</code> |
| service will be exposed for component's instances). |
| <pre> |
| <code>@Component(architecture = false)</code> |
| public class MyComponent { |
| // ... |
| } |
| </pre> |
| Default : true</div> |
| <dl> |
| <dt>Default:</dt> |
| <dd>true</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="immediate()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>immediate</h4> |
| <pre>public abstract boolean <a href="../../../../../src-html/org/apache/felix/ipojo/annotations/Component.html#line.115">immediate</a></pre> |
| <div class="block">Set if the component is immediate. |
| By default, iPOJO tries to be as lazy as possible and will create the POJO instance at the last possible time. |
| Notice this setting is only effective when the component provides a service (<a href="../../../../../org/apache/felix/ipojo/annotations/Provides.html" title="annotation in org.apache.felix.ipojo.annotations">@Provides</a>). |
| <pre> |
| <code>@Component(immediate = true)</code> |
| <a href="../../../../../org/apache/felix/ipojo/annotations/Provides.html" title="annotation in org.apache.felix.ipojo.annotations">@Provides</a> |
| public class MyComponent implements MyService { |
| // ... |
| } |
| </pre> |
| Default : false</div> |
| <dl> |
| <dt>Default:</dt> |
| <dd>false</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="propagation()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>propagation</h4> |
| <pre>public abstract boolean <a href="../../../../../src-html/org/apache/felix/ipojo/annotations/Component.html#line.127">propagation</a></pre> |
| <div class="block">Enable or disable the configuration propagation to service properties. |
| <pre> |
| <code>@Component(propagation = false)</code> |
| public class MyComponent { |
| // ... |
| } |
| </pre> |
| default: true</div> |
| <dl> |
| <dt>Default:</dt> |
| <dd>true</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="managedservice()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>managedservice</h4> |
| <pre>public abstract <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/felix/ipojo/annotations/Component.html#line.139">managedservice</a></pre> |
| <div class="block">Set the Managed Service PID for Configuration Admin. |
| default no PID (i.e. the managed service will not be exposed). |
| <pre> |
| <code>@Component(managedservice = "my.Pid")</code> |
| public class MyComponent { |
| // ... |
| } |
| </pre></div> |
| <dl> |
| <dt>Default:</dt> |
| <dd>""</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="factory_method()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>factory_method</h4> |
| <pre>public abstract <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/felix/ipojo/annotations/Component.html#line.149">factory_method</a></pre> |
| <div class="block"><span class="strong">Deprecated.</span> <i>now is called <tt>factoryMethod</tt>.</i></div> |
| <div class="block">Set the factory-method, if the pojo has to be created |
| from a static method. The specified method must be a static |
| method and return a pojo object. |
| By default, iPOJO uses the 'regular' constructor.</div> |
| <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/felix/ipojo/annotations/Component.html#factoryMethod()"><code>factoryMethod()</code></a></dd></dl> |
| <dl> |
| <dt>Default:</dt> |
| <dd>""</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="factoryMethod()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>factoryMethod</h4> |
| <pre>public abstract <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/felix/ipojo/annotations/Component.html#line.166">factoryMethod</a></pre> |
| <div class="block">Set the factory-method, if the pojo has to be created |
| from a static method. The specified method must be a static |
| method and return a pojo object. |
| By default, iPOJO uses the 'regular' constructor. |
| <pre> |
| <code>@Component(factoryMethod = "createInstance")</code> |
| public class MyComponent { |
| // ... |
| public static MyComponent createInstance() { |
| return new MyComponent("some static configuration"); |
| } |
| } |
| </pre></div> |
| <dl> |
| <dt>Default:</dt> |
| <dd>""</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="version()"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>version</h4> |
| <pre>public abstract <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/felix/ipojo/annotations/Component.html#line.177">version</a></pre> |
| <div class="block">Set the version of the component type. |
| <pre> |
| <code>@Component(version = "1.3")</code> |
| public class MyComponent { |
| // ... |
| } |
| </pre></div> |
| <dl> |
| <dt>Default:</dt> |
| <dd>""</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
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