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<div class="subTitle">org.apache.geronimo.osgi.registry</div>
<h2 title="Class ProviderRegistryImpl" class="title">Class ProviderRegistryImpl</h2>
</div>
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<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>org.apache.geronimo.osgi.registry.ProviderRegistryImpl</li>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/geronimo/osgi/registry/api/ProviderRegistry.html" title="interface in org.apache.geronimo.osgi.registry.api">ProviderRegistry</a></dd>
</dl>
<hr>
<br>
<pre>public class <span class="strong">ProviderRegistryImpl</span>
extends java.lang.Object
implements <a href="../../../../../org/apache/geronimo/osgi/registry/api/ProviderRegistry.html" title="interface in org.apache.geronimo.osgi.registry.api">ProviderRegistry</a></pre>
<div class="block">The implementation of the provider registry used to store
the bundle registrations.</div>
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<caption><span>Fields</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#EXPORT_PROVIDER_HEADER">EXPORT_PROVIDER_HEADER</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#OPT_IN_HEADER">OPT_IN_HEADER</a></strong></code> </td>
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<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#ProviderRegistryImpl(org.apache.geronimo.osgi.registry.Activator)">ProviderRegistryImpl</a></strong>(<a href="../../../../../org/apache/geronimo/osgi/registry/Activator.html" title="class in org.apache.geronimo.osgi.registry">Activator</a> activator)</code> </td>
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<h3>Method Summary</h3>
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<caption><span>Methods</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#addBundle(org.osgi.framework.Bundle)">addBundle</a></strong>(org.osgi.framework.Bundle bundle)</code>
<div class="block">Add a bundle to the provider registry.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#getService(java.lang.String)">getService</a></strong>(java.lang.String providerId)</code>
<div class="block">Locate and instantiate an instance of a service provider
defined in the META-INF/services directory of tracked bundles.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.lang.Class<?></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#getServiceClass(java.lang.String)">getServiceClass</a></strong>(java.lang.String providerId)</code>
<div class="block">Locate and return the class for a service provider
defined in the META-INF/services directory of tracked bundles.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.util.List<java.lang.Class<?>></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#getServiceClasses(java.lang.String)">getServiceClasses</a></strong>(java.lang.String providerId)</code>
<div class="block">Locate all services that match a given provider id and return the implementation
classes</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.util.List<java.lang.Object></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#getServices(java.lang.String)">getServices</a></strong>(java.lang.String providerId)</code>
<div class="block">Locate all services that match a given provider id and create instances.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.lang.Class<?></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#locate(java.lang.String)">locate</a></strong>(java.lang.String providerId)</code>
<div class="block">Locate a class by its provider id indicator.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.util.List<java.lang.Class<?>></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#locateAll(java.lang.String)">locateAll</a></strong>(java.lang.String providerId)</code>
<div class="block">Locate all class files that match a given provider id.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#registerProvider(org.apache.geronimo.osgi.registry.ProviderRegistryImpl.BundleProviderLoader)">registerProvider</a></strong>(org.apache.geronimo.osgi.registry.ProviderRegistryImpl.BundleProviderLoader provider)</code>
<div class="block">Register an individual provivider item by its provider identifier.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#registerService(org.apache.geronimo.osgi.registry.ProviderRegistryImpl.BundleProviderLoader)">registerService</a></strong>(org.apache.geronimo.osgi.registry.ProviderRegistryImpl.BundleProviderLoader provider)</code>
<div class="block">Register an individual provivider item by its provider identifier.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#removeBundle(org.osgi.framework.Bundle,%20java.lang.Object)">removeBundle</a></strong>(org.osgi.framework.Bundle bundle,
java.lang.Object obj)</code>
<div class="block">Remove a bundle from the registry.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#unregisterProvider(org.apache.geronimo.osgi.registry.ProviderRegistryImpl.BundleProviderLoader)">unregisterProvider</a></strong>(org.apache.geronimo.osgi.registry.ProviderRegistryImpl.BundleProviderLoader provider)</code>
<div class="block">Removed a provider registration for a named provider id.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/geronimo/osgi/registry/ProviderRegistryImpl.html#unregisterService(org.apache.geronimo.osgi.registry.ProviderRegistryImpl.BundleProviderLoader)">unregisterService</a></strong>(org.apache.geronimo.osgi.registry.ProviderRegistryImpl.BundleProviderLoader provider)</code>
<div class="block">Removed a provider registration for a named provider id.</div>
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<pre>public static final java.lang.String OPT_IN_HEADER</pre>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../constant-values.html#org.apache.geronimo.osgi.registry.ProviderRegistryImpl.OPT_IN_HEADER">Constant Field Values</a></dd></dl>
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<pre>public static final java.lang.String EXPORT_PROVIDER_HEADER</pre>
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<pre>public ProviderRegistryImpl(<a href="../../../../../org/apache/geronimo/osgi/registry/Activator.html" title="class in org.apache.geronimo.osgi.registry">Activator</a> activator)</pre>
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<pre>public java.lang.Object addBundle(org.osgi.framework.Bundle bundle)</pre>
<div class="block">Add a bundle to the provider registry. This searches
for services information in the OSGI-INF/providers
directory of the bundle and registers this information
in a provider registry. Bundles that need to locate
class instances can use the provider registry to
locate classes that might reside in other bundles.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>bundle</code> - The source bundle.</dd>
<dt><span class="strong">Returns:</span></dt><dd>A map of the located registrations. Returns null if
this bundle does not contain any providers.</dd></dl>
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<pre>public void removeBundle(org.osgi.framework.Bundle bundle,
java.lang.Object obj)</pre>
<div class="block">Remove a bundle from the registry.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>bundle</code> - The target bundle.</dd></dl>
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<h4>registerProvider</h4>
<pre>protected void registerProvider(org.apache.geronimo.osgi.registry.ProviderRegistryImpl.BundleProviderLoader provider)</pre>
<div class="block">Register an individual provivider item by its provider identifier.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>id</code> - The provider id.</dd><dd><code>provider</code> - The loader used to resolve the provider class.</dd></dl>
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<h4>unregisterProvider</h4>
<pre>protected void unregisterProvider(org.apache.geronimo.osgi.registry.ProviderRegistryImpl.BundleProviderLoader provider)</pre>
<div class="block">Removed a provider registration for a named provider id.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>id</code> - The target id</dd><dd><code>provider</code> - The provider registration instance</dd></dl>
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<pre>protected void registerService(org.apache.geronimo.osgi.registry.ProviderRegistryImpl.BundleProviderLoader provider)</pre>
<div class="block">Register an individual provivider item by its provider identifier.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>id</code> - The provider id.</dd><dd><code>provider</code> - The loader used to resolve the provider class.</dd></dl>
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<pre>protected void unregisterService(org.apache.geronimo.osgi.registry.ProviderRegistryImpl.BundleProviderLoader provider)</pre>
<div class="block">Removed a provider registration for a named provider id.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>id</code> - The target id</dd><dd><code>provider</code> - The provider registration instance</dd></dl>
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<h4>locate</h4>
<pre>public java.lang.Class<?> locate(java.lang.String providerId)</pre>
<div class="block">Locate a class by its provider id indicator. .</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/geronimo/osgi/registry/api/ProviderRegistry.html#locate(java.lang.String)">locate</a></code> in interface <code><a href="../../../../../org/apache/geronimo/osgi/registry/api/ProviderRegistry.html" title="interface in org.apache.geronimo.osgi.registry.api">ProviderRegistry</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>providerId</code> - The provider id (generally, a fully qualified class name).</dd>
<dt><span class="strong">Returns:</span></dt><dd>The Class corresponding to this provider id. Returns null
if this is not registered or the indicated class can't be
loaded.</dd></dl>
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<h4>locateAll</h4>
<pre>public java.util.List<java.lang.Class<?>> locateAll(java.lang.String providerId)</pre>
<div class="block">Locate all class files that match a given provider id.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/geronimo/osgi/registry/api/ProviderRegistry.html#locateAll(java.lang.String)">locateAll</a></code> in interface <code><a href="../../../../../org/apache/geronimo/osgi/registry/api/ProviderRegistry.html" title="interface in org.apache.geronimo.osgi.registry.api">ProviderRegistry</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>providerId</code> - The target provider identifier.</dd>
<dt><span class="strong">Returns:</span></dt><dd>A List containing the class objects corresponding to the
provider identifier. Returns an empty list if no
matching classes can be located.</dd></dl>
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<h4>getService</h4>
<pre>public java.lang.Object getService(java.lang.String providerId)
throws java.lang.Exception</pre>
<div class="block">Locate and instantiate an instance of a service provider
defined in the META-INF/services directory of tracked bundles.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/geronimo/osgi/registry/api/ProviderRegistry.html#getService(java.lang.String)">getService</a></code> in interface <code><a href="../../../../../org/apache/geronimo/osgi/registry/api/ProviderRegistry.html" title="interface in org.apache.geronimo.osgi.registry.api">ProviderRegistry</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>providerId</code> - The name of the target interface class.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The service instance. Returns null if no service defintions
can be located.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.Exception</code> - Any classloading or other exceptions thrown during
the process of creating this service instance.</dd></dl>
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<h4>getServices</h4>
<pre>public java.util.List<java.lang.Object> getServices(java.lang.String providerId)</pre>
<div class="block">Locate all services that match a given provider id and create instances.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/geronimo/osgi/registry/api/ProviderRegistry.html#getServices(java.lang.String)">getServices</a></code> in interface <code><a href="../../../../../org/apache/geronimo/osgi/registry/api/ProviderRegistry.html" title="interface in org.apache.geronimo.osgi.registry.api">ProviderRegistry</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>providerId</code> - The target provider identifier.</dd>
<dt><span class="strong">Returns:</span></dt><dd>A List containing the instances corresponding to the
provider identifier. Returns an empty list if no
matching classes can be located or created</dd></dl>
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<h4>getServiceClasses</h4>
<pre>public java.util.List<java.lang.Class<?>> getServiceClasses(java.lang.String providerId)</pre>
<div class="block">Locate all services that match a given provider id and return the implementation
classes</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/geronimo/osgi/registry/api/ProviderRegistry.html#getServiceClasses(java.lang.String)">getServiceClasses</a></code> in interface <code><a href="../../../../../org/apache/geronimo/osgi/registry/api/ProviderRegistry.html" title="interface in org.apache.geronimo.osgi.registry.api">ProviderRegistry</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>providerId</code> - The target provider identifier.</dd>
<dt><span class="strong">Returns:</span></dt><dd>A List containing the classes corresponding to the
provider identifier. Returns an empty list if no
matching classes can be located.</dd></dl>
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<h4>getServiceClass</h4>
<pre>public java.lang.Class<?> getServiceClass(java.lang.String providerId)
throws java.lang.ClassNotFoundException</pre>
<div class="block">Locate and return the class for a service provider
defined in the META-INF/services directory of tracked bundles.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/geronimo/osgi/registry/api/ProviderRegistry.html#getServiceClass(java.lang.String)">getServiceClass</a></code> in interface <code><a href="../../../../../org/apache/geronimo/osgi/registry/api/ProviderRegistry.html" title="interface in org.apache.geronimo.osgi.registry.api">ProviderRegistry</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>providerId</code> - The name of the target interface class.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The provider class. Returns null if no service defintions
can be located.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.Exception</code> - Any classloading or other exceptions thrown during
the process of loading this service provider class.</dd>
<dd><code>java.lang.ClassNotFoundException</code></dd></dl>
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