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 <div class="subTitle">org.apache.felix.dm.annotation.api</div>
 <h2 title="Annotation Type BundleDependency" class="title">Annotation Type BundleDependency</h2>
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 <pre>@Retention(value=CLASS)
  @Target(value=METHOD)
 public @interface <span class="memberNameLabel">BundleDependency</span></pre>
 <div class="block">Annotates a class or method for a bundle dependency. A bundle dependency allows you to
  depend on a bundle in a certain set of states (INSTALLED|RESOLVED|STARTED|...), as
  indicated by a state mask. You can also use a filter condition that is matched against
  all manifest entries. When applied on a class field, optional unavailable dependencies
  are injected with a NullObject.

  <h3>Usage Examples</h3>

  <p> In the following example, the "SCR" Component allows to track
  all bundles containing a specific "Service-Component" OSGi header, in order to load
  and manage all Declarative Service components specified in the SCR xml documents referenced by the header:

  <blockquote>
  <pre>
  &#64;Component
  public class SCR {
      &#64;BundleDependency(required = false, removed = "unloadServiceComponents", filter = "(Service-Component=*)", stateMask = Bundle.ACTIVE)
      void loadServiceComponents(Bundle b) {
          String descriptorPaths = (String) b.getHeaders().get("Service-Component");
          // load all service component specified in the XML descriptorPaths files ...
      }

      void unloadServiceComponents(Bundle b) {
          // unload all service component we loaded from our "loadServiceComponents" method.
      }
  }
  </pre>
  </blockquote></div>
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 <h3>Optional Element Summary</h3>
 <table class="memberSummary" 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">&nbsp;</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>java.lang.String</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/felix/dm/annotation/api/BundleDependency.html#changed--">changed</a></span></code>
 <div class="block">Returns the callback method to be invoked when the bundle have been updated</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>java.lang.String</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/felix/dm/annotation/api/BundleDependency.html#filter--">filter</a></span></code>
 <div class="block">Returns the ldap filter dependency matching some bundle manifest headers</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>java.lang.String</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/felix/dm/annotation/api/BundleDependency.html#name--">name</a></span></code>
 <div class="block">The name used when dynamically configuring this dependency from the init method.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/felix/dm/annotation/api/BundleDependency.html#propagate--">propagate</a></span></code>
 <div class="block">Specifies if the manifest headers from the bundle should be propagated to the service properties.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>java.lang.String</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/felix/dm/annotation/api/BundleDependency.html#removed--">removed</a></span></code>
 <div class="block">Returns the callback method to invoke when the bundle is lost.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/felix/dm/annotation/api/BundleDependency.html#required--">required</a></span></code>
 <div class="block">Returns whether the dependency is required or not.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/felix/dm/annotation/api/BundleDependency.html#stateMask--">stateMask</a></span></code>
 <div class="block">Returns the bundle state mask</div>
 </td>
 </tr>
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 <h4>changed</h4>
 <pre>public abstract&nbsp;java.lang.String&nbsp;changed</pre>
 <div class="block">Returns the callback method to be invoked when the bundle have been updated</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the change callback</dd>
 </dl>
 <dl>
 <dt>Default:</dt>
 <dd>""</dd>
 </dl>
 </li>
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 <pre>public abstract&nbsp;java.lang.String&nbsp;removed</pre>
 <div class="block">Returns the callback method to invoke when the bundle is lost.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the remove callback</dd>
 </dl>
 <dl>
 <dt>Default:</dt>
 <dd>""</dd>
 </dl>
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 <pre>public abstract&nbsp;boolean&nbsp;required</pre>
 <div class="block">Returns whether the dependency is required or not.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the required flag</dd>
 </dl>
 <dl>
 <dt>Default:</dt>
 <dd>true</dd>
 </dl>
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 <h4>filter</h4>
 <pre>public abstract&nbsp;java.lang.String&nbsp;filter</pre>
 <div class="block">Returns the ldap filter dependency matching some bundle manifest headers</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the filter</dd>
 </dl>
 <dl>
 <dt>Default:</dt>
 <dd>""</dd>
 </dl>
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 <h4>stateMask</h4>
 <pre>public abstract&nbsp;int&nbsp;stateMask</pre>
 <div class="block">Returns the bundle state mask</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the state mask</dd>
 </dl>
 <dl>
 <dt>Default:</dt>
 <dd>&lt;error&gt;</dd>
 </dl>
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 <pre>public abstract&nbsp;boolean&nbsp;propagate</pre>
 <div class="block">Specifies if the manifest headers from the bundle should be propagated to the service properties.
  The provided service properties take precedence over the propagated bundle manifest headers.
  It means a bundle manifest header won't override a component service property having the same name.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the propagation flag</dd>
 </dl>
 <dl>
 <dt>Default:</dt>
 <dd>false</dd>
 </dl>
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 <h4>name</h4>
 <pre>public abstract&nbsp;java.lang.String&nbsp;name</pre>
 <div class="block">The name used when dynamically configuring this dependency from the init method.
  Specifying this attribute allows to dynamically configure the dependency
  <code>filter</code> and <code>required</code> flag from the Service's init method.
  All unnamed dependencies will be injected before the init() method; so from the init() method, you can
  then pick up whatever information needed from already injected (unnamed) dependencies, and configure dynamically
  your named dependencies, which will then be calculated once the init() method returns.

  <p> See <a href="../../../../../../org/apache/felix/dm/annotation/api/Init.html" title="annotation in org.apache.felix.dm.annotation.api"><code>Init</code></a> annotation for an example usage of a dependency dynamically configured from the init method.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the dependency name used to dynamically configure the dependency from the init callback</dd>
 </dl>
 <dl>
 <dt>Default:</dt>
 <dd>""</dd>
 </dl>
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	<h2 title="Annotation Type BundleDependency" class="title">Annotation Type BundleDependency</h2>
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	<pre>@Retention(value=CLASS)
	@Target(value=METHOD)
	public @interface <span class="memberNameLabel">BundleDependency</span></pre>
	<div class="block">Annotates a class or method for a bundle dependency. A bundle dependency allows you to
	depend on a bundle in a certain set of states (INSTALLED\|RESOLVED\|STARTED\|...), as
	indicated by a state mask. You can also use a filter condition that is matched against
	all manifest entries. When applied on a class field, optional unavailable dependencies
	are injected with a NullObject.

	<h3>Usage Examples</h3>

	<p> In the following example, the "SCR" Component allows to track
	all bundles containing a specific "Service-Component" OSGi header, in order to load
	and manage all Declarative Service components specified in the SCR xml documents referenced by the header:

	<blockquote>
	<pre>
	@Component
	public class SCR {
	@BundleDependency(required = false, removed = "unloadServiceComponents", filter = "(Service-Component=*)", stateMask = Bundle.ACTIVE)
	void loadServiceComponents(Bundle b) {
	String descriptorPaths = (String) b.getHeaders().get("Service-Component");
	// load all service component specified in the XML descriptorPaths files ...
	}

	void unloadServiceComponents(Bundle b) {
	// unload all service component we loaded from our "loadServiceComponents" method.
	}
	}
	</pre>
	</blockquote></div>
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	<table class="memberSummary" 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>java.lang.String</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/felix/dm/annotation/api/BundleDependency.html#changed--">changed</a></span></code>
	<div class="block">Returns the callback method to be invoked when the bundle have been updated</div>
	</td>
	</tr>
	<tr class="rowColor">
	<td class="colFirst"><code>java.lang.String</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/felix/dm/annotation/api/BundleDependency.html#filter--">filter</a></span></code>
	<div class="block">Returns the ldap filter dependency matching some bundle manifest headers</div>
	</td>
	</tr>
	<tr class="altColor">
	<td class="colFirst"><code>java.lang.String</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/felix/dm/annotation/api/BundleDependency.html#name--">name</a></span></code>
	<div class="block">The name used when dynamically configuring this dependency from the init method.</div>
	</td>
	</tr>
	<tr class="rowColor">
	<td class="colFirst"><code>boolean</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/felix/dm/annotation/api/BundleDependency.html#propagate--">propagate</a></span></code>
	<div class="block">Specifies if the manifest headers from the bundle should be propagated to the service properties.</div>
	</td>
	</tr>
	<tr class="altColor">
	<td class="colFirst"><code>java.lang.String</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/felix/dm/annotation/api/BundleDependency.html#removed--">removed</a></span></code>
	<div class="block">Returns the callback method to invoke when the bundle is lost.</div>
	</td>
	</tr>
	<tr class="rowColor">
	<td class="colFirst"><code>boolean</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/felix/dm/annotation/api/BundleDependency.html#required--">required</a></span></code>
	<div class="block">Returns whether the dependency is required or not.</div>
	</td>
	</tr>
	<tr class="altColor">
	<td class="colFirst"><code>int</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/felix/dm/annotation/api/BundleDependency.html#stateMask--">stateMask</a></span></code>
	<div class="block">Returns the bundle state mask</div>
	</td>
	</tr>
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	<h4>changed</h4>
	<pre>public abstract java.lang.String changed</pre>
	<div class="block">Returns the callback method to be invoked when the bundle have been updated</div>
	<dl>
	<dt><span class="returnLabel">Returns:</span></dt>
	<dd>the change callback</dd>
	</dl>
	<dl>
	<dt>Default:</dt>
	<dd>""</dd>
	</dl>
	</li>
	</ul>
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	<h4>removed</h4>
	<pre>public abstract java.lang.String removed</pre>
	<div class="block">Returns the callback method to invoke when the bundle is lost.</div>
	<dl>
	<dt><span class="returnLabel">Returns:</span></dt>
	<dd>the remove callback</dd>
	</dl>
	<dl>
	<dt>Default:</dt>
	<dd>""</dd>
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	<h4>required</h4>
	<pre>public abstract boolean required</pre>
	<div class="block">Returns whether the dependency is required or not.</div>
	<dl>
	<dt><span class="returnLabel">Returns:</span></dt>
	<dd>the required flag</dd>
	</dl>
	<dl>
	<dt>Default:</dt>
	<dd>true</dd>
	</dl>
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	<h4>filter</h4>
	<pre>public abstract java.lang.String filter</pre>
	<div class="block">Returns the ldap filter dependency matching some bundle manifest headers</div>
	<dl>
	<dt><span class="returnLabel">Returns:</span></dt>
	<dd>the filter</dd>
	</dl>
	<dl>
	<dt>Default:</dt>
	<dd>""</dd>
	</dl>
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	<h4>stateMask</h4>
	<pre>public abstract int stateMask</pre>
	<div class="block">Returns the bundle state mask</div>
	<dl>
	<dt><span class="returnLabel">Returns:</span></dt>
	<dd>the state mask</dd>
	</dl>
	<dl>
	<dt>Default:</dt>
	<dd><error></dd>
	</dl>
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	<h4>propagate</h4>
	<pre>public abstract boolean propagate</pre>
	<div class="block">Specifies if the manifest headers from the bundle should be propagated to the service properties.
	The provided service properties take precedence over the propagated bundle manifest headers.
	It means a bundle manifest header won't override a component service property having the same name.</div>
	<dl>
	<dt><span class="returnLabel">Returns:</span></dt>
	<dd>the propagation flag</dd>
	</dl>
	<dl>
	<dt>Default:</dt>
	<dd>false</dd>
	</dl>
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	<h4>name</h4>
	<pre>public abstract java.lang.String name</pre>
	<div class="block">The name used when dynamically configuring this dependency from the init method.
	Specifying this attribute allows to dynamically configure the dependency
	<code>filter</code> and <code>required</code> flag from the Service's init method.
	All unnamed dependencies will be injected before the init() method; so from the init() method, you can
	then pick up whatever information needed from already injected (unnamed) dependencies, and configure dynamically
	your named dependencies, which will then be calculated once the init() method returns.

	<p> See <a href="../../../../../../org/apache/felix/dm/annotation/api/Init.html" title="annotation in org.apache.felix.dm.annotation.api"><code>Init</code></a> annotation for an example usage of a dependency dynamically configured from the init method.</div>
	<dl>
	<dt><span class="returnLabel">Returns:</span></dt>
	<dd>the dependency name used to dynamically configure the dependency from the init callback</dd>
	</dl>
	<dl>
	<dt>Default:</dt>
	<dd>""</dd>
	</dl>
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