| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <!-- NewPage --> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc (1.8.0_102) on Tue Feb 14 07:57:56 CET 2017 --> |
| <title>ServiceTrackerCustomizer</title> |
| <meta name="date" content="2017-02-14"> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| <script type="text/javascript" src="../../../../../script.js"></script> |
| </head> |
| <body> |
| <script type="text/javascript"><!-- |
| try { |
| if (location.href.indexOf('is-external=true') == -1) { |
| parent.document.title="ServiceTrackerCustomizer"; |
| } |
| } |
| catch(err) { |
| } |
| //--> |
| var methods = {"i0":6,"i1":6,"i2":6,"i3":6,"i4":6}; |
| var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],4:["t3","Abstract Methods"]}; |
| var altColor = "altColor"; |
| var rowColor = "rowColor"; |
| var tableTab = "tableTab"; |
| var activeTableTab = "activeTableTab"; |
| </script> |
| <noscript> |
| <div>JavaScript is disabled on your browser.</div> |
| </noscript> |
| <!-- ========= START OF TOP NAVBAR ======= --> |
| <div class="topNav"><a name="navbar.top"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.top.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../../../overview-summary.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="navBarCell1Rev">Class</li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../index-all.html">Index</a></li> |
| <li><a href="../../../../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../../../org/apache/felix/dm/tracker/ServiceTracker.html" title="class in org.apache.felix.dm.tracker"><span class="typeNameLink">Prev Class</span></a></li> |
| <li>Next Class</li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../../index.html?org/apache/felix/dm/tracker/ServiceTrackerCustomizer.html" target="_top">Frames</a></li> |
| <li><a href="ServiceTrackerCustomizer.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_top"> |
| <li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_top"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| <a name="skip.navbar.top"> |
| <!-- --> |
| </a></div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <!-- ======== START OF CLASS DATA ======== --> |
| <div class="header"> |
| <div class="subTitle">org.apache.felix.dm.tracker</div> |
| <h2 title="Interface ServiceTrackerCustomizer" class="title">Interface ServiceTrackerCustomizer</h2> |
| </div> |
| <div class="contentContainer"> |
| <div class="description"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../../org/apache/felix/dm/tracker/ServiceTracker.html" title="class in org.apache.felix.dm.tracker">ServiceTracker</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public interface <span class="typeNameLabel">ServiceTrackerCustomizer</span></pre> |
| <div class="block">The <code>ServiceTrackerCustomizer</code> interface allows a |
| <code>ServiceTracker</code> to customize the service objects that are |
| tracked. A <code>ServiceTrackerCustomizer</code> is called when a service is |
| being added to a <code>ServiceTracker</code>. The |
| <code>ServiceTrackerCustomizer</code> can then return an object for the |
| tracked service. A <code>ServiceTrackerCustomizer</code> is also called when |
| a tracked service is modified or has been removed from a |
| <code>ServiceTracker</code>. |
| |
| <p> |
| The methods in this interface may be called as the result of a |
| <code>ServiceEvent</code> being received by a <code>ServiceTracker</code>. |
| Since <code>ServiceEvent</code>s are synchronously delivered by the |
| Framework, it is highly recommended that implementations of these methods do |
| not register (<code>BundleContext.registerService</code>), modify ( |
| <code>ServiceRegistration.setProperties</code>) or unregister ( |
| <code>ServiceRegistration.unregister</code>) a service while being |
| synchronized on any object. |
| |
| <p> |
| The <code>ServiceTracker</code> class is thread-safe. It does not call a |
| <code>ServiceTrackerCustomizer</code> while holding any locks. |
| <code>ServiceTrackerCustomizer</code> implementations must also be |
| thread-safe.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </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="../../../../../org/apache/felix/dm/tracker/ServiceTrackerCustomizer.html#addedService-org.osgi.framework.ServiceReference-java.lang.Object-">addedService</a></span>(org.osgi.framework.ServiceReference reference, |
| java.lang.Object service)</code> |
| <div class="block">marrs: A service has been added to the ServiceTracker.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>java.lang.Object</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/felix/dm/tracker/ServiceTrackerCustomizer.html#addingService-org.osgi.framework.ServiceReference-">addingService</a></span>(org.osgi.framework.ServiceReference reference)</code> |
| <div class="block">A service is being added to the <code>ServiceTracker</code>.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/felix/dm/tracker/ServiceTrackerCustomizer.html#modifiedService-org.osgi.framework.ServiceReference-java.lang.Object-">modifiedService</a></span>(org.osgi.framework.ServiceReference reference, |
| java.lang.Object service)</code> |
| <div class="block">A service tracked by the <code>ServiceTracker</code> has been modified.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/felix/dm/tracker/ServiceTrackerCustomizer.html#removedService-org.osgi.framework.ServiceReference-java.lang.Object-">removedService</a></span>(org.osgi.framework.ServiceReference reference, |
| java.lang.Object service)</code> |
| <div class="block">A service tracked by the <code>ServiceTracker</code> has been removed.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/felix/dm/tracker/ServiceTrackerCustomizer.html#swappedService-org.osgi.framework.ServiceReference-java.lang.Object-org.osgi.framework.ServiceReference-java.lang.Object-">swappedService</a></span>(org.osgi.framework.ServiceReference reference, |
| java.lang.Object service, |
| org.osgi.framework.ServiceReference newReference, |
| java.lang.Object newService)</code> |
| <div class="block">A service tracked by the <code>ServiceTracker</code> has an aspect service |
| added or removed for a tracked service.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="addingService-org.osgi.framework.ServiceReference-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addingService</h4> |
| <pre>java.lang.Object addingService(org.osgi.framework.ServiceReference reference)</pre> |
| <div class="block">A service is being added to the <code>ServiceTracker</code>. |
| |
| <p> |
| This method is called before a service which matched the search |
| parameters of the <code>ServiceTracker</code> is added to the |
| <code>ServiceTracker</code>. This method should return the service object |
| to be tracked for the specified <code>ServiceReference</code>. The |
| returned service object is stored in the <code>ServiceTracker</code> and |
| is available from the <code>getService</code> and |
| <code>getServices</code> methods.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>reference</code> - The reference to the service being added to the |
| <code>ServiceTracker</code>.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The service object to be tracked for the specified referenced |
| service or <code>null</code> if the specified referenced service |
| should not be tracked.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addedService-org.osgi.framework.ServiceReference-java.lang.Object-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addedService</h4> |
| <pre>void addedService(org.osgi.framework.ServiceReference reference, |
| java.lang.Object service)</pre> |
| <div class="block">marrs: A service has been added to the ServiceTracker.</div> |
| </li> |
| </ul> |
| <a name="modifiedService-org.osgi.framework.ServiceReference-java.lang.Object-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>modifiedService</h4> |
| <pre>void modifiedService(org.osgi.framework.ServiceReference reference, |
| java.lang.Object service)</pre> |
| <div class="block">A service tracked by the <code>ServiceTracker</code> has been modified. |
| |
| <p> |
| This method is called when a service being tracked by the |
| <code>ServiceTracker</code> has had it properties modified.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>reference</code> - The reference to the service that has been modified.</dd> |
| <dd><code>service</code> - The service object for the specified referenced service.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="swappedService-org.osgi.framework.ServiceReference-java.lang.Object-org.osgi.framework.ServiceReference-java.lang.Object-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>swappedService</h4> |
| <pre>void swappedService(org.osgi.framework.ServiceReference reference, |
| java.lang.Object service, |
| org.osgi.framework.ServiceReference newReference, |
| java.lang.Object newService)</pre> |
| <div class="block">A service tracked by the <code>ServiceTracker</code> has an aspect service |
| added or removed for a tracked service. |
| |
| <p> |
| This method is called when an aspect service has been either added or removed |
| for a tracked service. This method will only be called when there's a new |
| highest ranked service as result of adding or removal of the aspect service. |
| In this case the previously highest ranked service is 'swapped' for the new |
| highest ranked service ensuring the client always gets the highest ranked |
| aspect.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>reference</code> - The reference for the old highest ranked service.</dd> |
| <dd><code>service</code> - The service object for the old highest ranked service.</dd> |
| <dd><code>newReference</code> - The reference to the new highest ranked service.</dd> |
| <dd><code>newService</code> - The service object for the new highest ranked service.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="removedService-org.osgi.framework.ServiceReference-java.lang.Object-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>removedService</h4> |
| <pre>void removedService(org.osgi.framework.ServiceReference reference, |
| java.lang.Object service)</pre> |
| <div class="block">A service tracked by the <code>ServiceTracker</code> has been removed. |
| |
| <p> |
| This method is called after a service is no longer being tracked by the |
| <code>ServiceTracker</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>reference</code> - The reference to the service that has been removed.</dd> |
| <dd><code>service</code> - The service object for the specified referenced service.</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <!-- ========= END OF CLASS DATA ========= --> |
| <!-- ======= START OF BOTTOM NAVBAR ====== --> |
| <div class="bottomNav"><a name="navbar.bottom"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.bottom.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../../../overview-summary.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="navBarCell1Rev">Class</li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../index-all.html">Index</a></li> |
| <li><a href="../../../../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../../../org/apache/felix/dm/tracker/ServiceTracker.html" title="class in org.apache.felix.dm.tracker"><span class="typeNameLink">Prev Class</span></a></li> |
| <li>Next Class</li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../../index.html?org/apache/felix/dm/tracker/ServiceTrackerCustomizer.html" target="_top">Frames</a></li> |
| <li><a href="ServiceTrackerCustomizer.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_bottom"> |
| <li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_bottom"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| <a name="skip.navbar.bottom"> |
| <!-- --> |
| </a></div> |
| <!-- ======== END OF BOTTOM NAVBAR ======= --> |
| </body> |
| </html> |