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<div class="subTitle">org.osgi.framework</div>
<h2 title="Class ServiceEvent" class="title">Class ServiceEvent</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>java.util.EventObject</li>
<li>
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<li>org.osgi.framework.ServiceEvent</li>
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<pre>public class <span class="strong">ServiceEvent</span>
extends java.util.EventObject</pre>
<div class="block">An event from the Framework describing a service lifecycle change.
<p>
<code>ServiceEvent</code> objects are delivered to <code>ServiceListener</code>s and
<code>AllServiceListener</code>s when a change occurs in this service's lifecycle.
A type code is used to identify the event type for future extendability.
<p>
OSGi Alliance reserves the right to extend the set of types.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../org/osgi/framework/ServiceListener.html" title="interface in org.osgi.framework"><code>ServiceListener</code></a>,
<a href="../../../org/osgi/framework/AllServiceListener.html" title="interface in org.osgi.framework"><code>AllServiceListener</code></a>,
<a href="../../../serialized-form.html#org.osgi.framework.ServiceEvent">Serialized Form</a></dd></dl>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/osgi/framework/ServiceEvent.html#MODIFIED">MODIFIED</a></strong></code>
<div class="block">The properties of a registered service have been modified.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/osgi/framework/ServiceEvent.html#MODIFIED_ENDMATCH">MODIFIED_ENDMATCH</a></strong></code>
<div class="block">The properties of a registered service have been modified and the new
properties no longer match the listener's filter.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/osgi/framework/ServiceEvent.html#REGISTERED">REGISTERED</a></strong></code>
<div class="block">This service has been registered.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/osgi/framework/ServiceEvent.html#UNREGISTERING">UNREGISTERING</a></strong></code>
<div class="block">This service is in the process of being unregistered.</div>
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<h3>Fields inherited from class java.util.EventObject</h3>
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<td class="colOne"><code><strong><a href="../../../org/osgi/framework/ServiceEvent.html#ServiceEvent(int,%20org.osgi.framework.ServiceReference)">ServiceEvent</a></strong>(int type,
<a href="../../../org/osgi/framework/ServiceReference.html" title="interface in org.osgi.framework">ServiceReference</a><?> reference)</code>
<div class="block">Creates a new service event object.</div>
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<td class="colFirst"><code><a href="../../../org/osgi/framework/ServiceReference.html" title="interface in org.osgi.framework">ServiceReference</a><?></code></td>
<td class="colLast"><code><strong><a href="../../../org/osgi/framework/ServiceEvent.html#getServiceReference()">getServiceReference</a></strong>()</code>
<div class="block">Returns a reference to the service that had a change occur in its
lifecycle.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../org/osgi/framework/ServiceEvent.html#getType()">getType</a></strong>()</code>
<div class="block">Returns the type of event.</div>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li>
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<h4>REGISTERED</h4>
<pre>public static final int REGISTERED</pre>
<div class="block">This service has been registered.
<p>
This event is synchronously delivered <strong>after</strong> the service
has been registered with the Framework.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../org/osgi/framework/BundleContext.html#registerService(java.lang.String[],%20java.lang.Object,%20java.util.Dictionary)"><code>BundleContext.registerService(String[],Object,Dictionary)</code></a>,
<a href="../../../constant-values.html#org.osgi.framework.ServiceEvent.REGISTERED">Constant Field Values</a></dd></dl>
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<h4>MODIFIED</h4>
<pre>public static final int MODIFIED</pre>
<div class="block">The properties of a registered service have been modified.
<p>
This event is synchronously delivered <strong>after</strong> the service
properties have been modified.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../org/osgi/framework/ServiceRegistration.html#setProperties(java.util.Dictionary)"><code>ServiceRegistration.setProperties(Dictionary)</code></a>,
<a href="../../../constant-values.html#org.osgi.framework.ServiceEvent.MODIFIED">Constant Field Values</a></dd></dl>
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<h4>UNREGISTERING</h4>
<pre>public static final int UNREGISTERING</pre>
<div class="block">This service is in the process of being unregistered.
<p>
This event is synchronously delivered <strong>before</strong> the service
has completed unregistering.
<p>
If a bundle is using a service that is <code>UNREGISTERING</code>, the bundle
should release its use of the service when it receives this event. If the
bundle does not release its use of the service when it receives this
event, the Framework will automatically release the bundle's use of the
service while completing the service unregistration operation.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../org/osgi/framework/ServiceRegistration.html#unregister()"><code>ServiceRegistration.unregister()</code></a>,
<a href="../../../org/osgi/framework/BundleContext.html#ungetService(org.osgi.framework.ServiceReference)"><code>BundleContext.ungetService(ServiceReference)</code></a>,
<a href="../../../constant-values.html#org.osgi.framework.ServiceEvent.UNREGISTERING">Constant Field Values</a></dd></dl>
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<h4>MODIFIED_ENDMATCH</h4>
<pre>public static final int MODIFIED_ENDMATCH</pre>
<div class="block">The properties of a registered service have been modified and the new
properties no longer match the listener's filter.
<p>
This event is synchronously delivered <strong>after</strong> the service
properties have been modified. This event is only delivered to listeners
which were added with a non-<code>null</code> filter where the filter matched
the service properties prior to the modification but the filter does not
match the modified service properties.</div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>1.5</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../org/osgi/framework/ServiceRegistration.html#setProperties(java.util.Dictionary)"><code>ServiceRegistration.setProperties(Dictionary)</code></a>,
<a href="../../../constant-values.html#org.osgi.framework.ServiceEvent.MODIFIED_ENDMATCH">Constant Field Values</a></dd></dl>
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<h4>ServiceEvent</h4>
<pre>public ServiceEvent(int type,
<a href="../../../org/osgi/framework/ServiceReference.html" title="interface in org.osgi.framework">ServiceReference</a><?> reference)</pre>
<div class="block">Creates a new service event object.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>type</code> - The event type.</dd><dd><code>reference</code> - A <code>ServiceReference</code> object to the service that
had a lifecycle change.</dd></dl>
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<h4>getServiceReference</h4>
<pre>public <a href="../../../org/osgi/framework/ServiceReference.html" title="interface in org.osgi.framework">ServiceReference</a><?> getServiceReference()</pre>
<div class="block">Returns a reference to the service that had a change occur in its
lifecycle.
<p>
This reference is the source of the event.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>Reference to the service that had a lifecycle change.</dd></dl>
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<h4>getType</h4>
<pre>public int getType()</pre>
<div class="block">Returns the type of event. The event type values are:
<ul>
<li><a href="../../../org/osgi/framework/ServiceEvent.html#REGISTERED"><code>REGISTERED</code></a></li>
<li><a href="../../../org/osgi/framework/ServiceEvent.html#MODIFIED"><code>MODIFIED</code></a></li>
<li><a href="../../../org/osgi/framework/ServiceEvent.html#MODIFIED_ENDMATCH"><code>MODIFIED_ENDMATCH</code></a></li>
<li><a href="../../../org/osgi/framework/ServiceEvent.html#UNREGISTERING"><code>UNREGISTERING</code></a></li>
</ul></div>
<dl><dt><span class="strong">Returns:</span></dt><dd>Type of service lifecycle change.</dd></dl>
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