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<div class="subTitle">org.osgi.service.blueprint.container</div>
<h2 title="Class BlueprintEvent" class="title">Class BlueprintEvent</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>org.osgi.service.blueprint.container.BlueprintEvent</li>
</ul>
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<pre>public class <span class="strong">BlueprintEvent</span>
extends java.lang.Object</pre>
<div class="block">A Blueprint Event.
<p>
<code>BlueprintEvent</code> objects are delivered to all registered
<a href="../../../../../org/osgi/service/blueprint/container/BlueprintListener.html" title="interface in org.osgi.service.blueprint.container"><code>BlueprintListener</code></a> services. Blueprint Events must be asynchronously
delivered in chronological order with respect to each listener.
<p>
In addition, after a Blueprint Listener is registered, the Blueprint extender
will synchronously send to this Blueprint Listener the last Blueprint Event
for each ready Blueprint bundle managed by this extender. This
<em>replay</em> of Blueprint Events is designed so that the new Blueprint
Listener can be informed of the state of each Blueprint bundle. Blueprint
Events sent during this replay will have the <a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#isReplay()"><code>isReplay()</code></a> flag set.
The Blueprint extender must ensure that this replay phase does not interfere
with new Blueprint Events so that the chronological order of all Blueprint
Events received by the Blueprint Listener is preserved. If the last Blueprint
Event for a given Blueprint bundle is <a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#DESTROYED"><code>DESTROYED</code></a>, the extender must
not send it during this replay phase.
<p>
A type code is used to identify the type of event. The following event types
are defined:
<ul>
<li><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#CREATING"><code>CREATING</code></a></li>
<li><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#CREATED"><code>CREATED</code></a></li>
<li><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#DESTROYING"><code>DESTROYING</code></a></li>
<li><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#DESTROYED"><code>DESTROYED</code></a></li>
<li><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#FAILURE"><code>FAILURE</code></a></li>
<li><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#GRACE_PERIOD"><code>GRACE_PERIOD</code></a></li>
<li><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#WAITING"><code>WAITING</code></a></li>
</ul>
<p>
In addition to calling the registered <a href="../../../../../org/osgi/service/blueprint/container/BlueprintListener.html" title="interface in org.osgi.service.blueprint.container"><code>BlueprintListener</code></a> services, the
Blueprint extender must also send those events to the Event Admin service, if
it is available.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/osgi/service/blueprint/container/BlueprintListener.html" title="interface in org.osgi.service.blueprint.container"><code>BlueprintListener</code></a>,
<a href="../../../../../org/osgi/service/blueprint/container/EventConstants.html" title="class in org.osgi.service.blueprint.container"><code>EventConstants</code></a></dd></dl>
</li>
</ul>
</div>
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<h3>Field Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<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 int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#CREATED">CREATED</a></strong></code>
<div class="block">The Blueprint extender has created a Blueprint Container for the bundle.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#CREATING">CREATING</a></strong></code>
<div class="block">The Blueprint extender has started creating a Blueprint Container for the
bundle.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#DESTROYED">DESTROYED</a></strong></code>
<div class="block">The Blueprint Container for the bundle has been completely destroyed.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#DESTROYING">DESTROYING</a></strong></code>
<div class="block">The Blueprint extender has started destroying the Blueprint Container for
the bundle.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#FAILURE">FAILURE</a></strong></code>
<div class="block">The Blueprint Container creation for the bundle has failed.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#GRACE_PERIOD">GRACE_PERIOD</a></strong></code>
<div class="block">The Blueprint Container has entered the grace period.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#WAITING">WAITING</a></strong></code>
<div class="block">The Blueprint Container is waiting on the availability of a service to
satisfy an invocation on a referenced service.</div>
</td>
</tr>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#BlueprintEvent(org.osgi.service.blueprint.container.BlueprintEvent,%20boolean)">BlueprintEvent</a></strong>(<a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html" title="class in org.osgi.service.blueprint.container">BlueprintEvent</a> event,
boolean replay)</code>
<div class="block">Create a new <code>BlueprintEvent</code> from the specified
<code>BlueprintEvent</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#BlueprintEvent(int,%20org.osgi.framework.Bundle,%20org.osgi.framework.Bundle)">BlueprintEvent</a></strong>(int type,
org.osgi.framework.Bundle bundle,
org.osgi.framework.Bundle extenderBundle)</code>
<div class="block">Create a simple <code>BlueprintEvent</code> object.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#BlueprintEvent(int,%20org.osgi.framework.Bundle,%20org.osgi.framework.Bundle,%20java.lang.String[])">BlueprintEvent</a></strong>(int type,
org.osgi.framework.Bundle bundle,
org.osgi.framework.Bundle extenderBundle,
java.lang.String[] dependencies)</code>
<div class="block">Create a <code>BlueprintEvent</code> object associated with a set of
dependencies.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#BlueprintEvent(int,%20org.osgi.framework.Bundle,%20org.osgi.framework.Bundle,%20java.lang.String[],%20java.lang.Throwable)">BlueprintEvent</a></strong>(int type,
org.osgi.framework.Bundle bundle,
org.osgi.framework.Bundle extenderBundle,
java.lang.String[] dependencies,
java.lang.Throwable cause)</code>
<div class="block">Create a <code>BlueprintEvent</code> object associated with a failure cause
and a set of dependencies.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#BlueprintEvent(int,%20org.osgi.framework.Bundle,%20org.osgi.framework.Bundle,%20java.lang.Throwable)">BlueprintEvent</a></strong>(int type,
org.osgi.framework.Bundle bundle,
org.osgi.framework.Bundle extenderBundle,
java.lang.Throwable cause)</code>
<div class="block">Create a <code>BlueprintEvent</code> object associated with a failure cause.</div>
</td>
</tr>
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</li>
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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>org.osgi.framework.Bundle</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#getBundle()">getBundle</a></strong>()</code>
<div class="block">Return the Blueprint bundle associated with this event.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.lang.Throwable</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#getCause()">getCause</a></strong>()</code>
<div class="block">Return the cause for this <a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#FAILURE"><code>FAILURE</code></a> event.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.lang.String[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#getDependencies()">getDependencies</a></strong>()</code>
<div class="block">Return the filters identifying the missing dependencies that caused this
event.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>org.osgi.framework.Bundle</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#getExtenderBundle()">getExtenderBundle</a></strong>()</code>
<div class="block">Return the Blueprint extender bundle that is generating this event.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#getTimestamp()">getTimestamp</a></strong>()</code>
<div class="block">Return the time at which this event was created.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#getType()">getType</a></strong>()</code>
<div class="block">Return the type of this event.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#isReplay()">isReplay</a></strong>()</code>
<div class="block">Return whether this event is a replay event.</div>
</td>
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<h3>Methods inherited from class java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
</ul>
</li>
</ul>
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<h4>CREATING</h4>
<pre>public static final int CREATING</pre>
<div class="block">The Blueprint extender has started creating a Blueprint Container for the
bundle.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../constant-values.html#org.osgi.service.blueprint.container.BlueprintEvent.CREATING">Constant Field Values</a></dd></dl>
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<pre>public static final int CREATED</pre>
<div class="block">The Blueprint extender has created a Blueprint Container for the bundle.
This event is sent after the Blueprint Container has been registered as a
service.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../constant-values.html#org.osgi.service.blueprint.container.BlueprintEvent.CREATED">Constant Field Values</a></dd></dl>
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<pre>public static final int DESTROYING</pre>
<div class="block">The Blueprint extender has started destroying the Blueprint Container for
the bundle.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../constant-values.html#org.osgi.service.blueprint.container.BlueprintEvent.DESTROYING">Constant Field Values</a></dd></dl>
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<pre>public static final int DESTROYED</pre>
<div class="block">The Blueprint Container for the bundle has been completely destroyed.
This event is sent after the Blueprint Container has been unregistered as
a service.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../constant-values.html#org.osgi.service.blueprint.container.BlueprintEvent.DESTROYED">Constant Field Values</a></dd></dl>
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<pre>public static final int FAILURE</pre>
<div class="block">The Blueprint Container creation for the bundle has failed. If this event
is sent after a timeout in the Grace Period, the
<a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#getDependencies()"><code>getDependencies()</code></a> method must return an array of missing
mandatory dependencies. The event must also contain the cause of the
failure as a <code>Throwable</code> through the <a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#getCause()"><code>getCause()</code></a> method.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../constant-values.html#org.osgi.service.blueprint.container.BlueprintEvent.FAILURE">Constant Field Values</a></dd></dl>
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<pre>public static final int GRACE_PERIOD</pre>
<div class="block">The Blueprint Container has entered the grace period. The list of missing
dependencies must be made available through the
<a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#getDependencies()"><code>getDependencies()</code></a> method. During the grace period, a
<a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#GRACE_PERIOD"><code>GRACE_PERIOD</code></a> event is sent each time the set of unsatisfied
dependencies changes.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../constant-values.html#org.osgi.service.blueprint.container.BlueprintEvent.GRACE_PERIOD">Constant Field Values</a></dd></dl>
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<pre>public static final int WAITING</pre>
<div class="block">The Blueprint Container is waiting on the availability of a service to
satisfy an invocation on a referenced service. The missing dependency
must be made available through the <a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#getDependencies()"><code>getDependencies()</code></a> method
which will return an array containing one filter object as a String.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../constant-values.html#org.osgi.service.blueprint.container.BlueprintEvent.WAITING">Constant Field Values</a></dd></dl>
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<pre>public BlueprintEvent(int type,
org.osgi.framework.Bundle bundle,
org.osgi.framework.Bundle extenderBundle)</pre>
<div class="block">Create a simple <code>BlueprintEvent</code> object.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>type</code> - The type of this event.</dd><dd><code>bundle</code> - The Blueprint bundle associated with this event. This
parameter must not be <code>null</code>.</dd><dd><code>extenderBundle</code> - The Blueprint extender bundle that is generating
this event. This parameter must not be <code>null</code>.</dd></dl>
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<pre>public BlueprintEvent(int type,
org.osgi.framework.Bundle bundle,
org.osgi.framework.Bundle extenderBundle,
java.lang.String[] dependencies)</pre>
<div class="block">Create a <code>BlueprintEvent</code> object associated with a set of
dependencies.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>type</code> - The type of this event.</dd><dd><code>bundle</code> - The Blueprint bundle associated with this event. This
parameter must not be <code>null</code>.</dd><dd><code>extenderBundle</code> - The Blueprint extender bundle that is generating
this event. This parameter must not be <code>null</code>.</dd><dd><code>dependencies</code> - An array of <code>String</code> filters for each
dependency associated with this event. Must be a non-empty array
for event types <a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#GRACE_PERIOD"><code>GRACE_PERIOD</code></a> and <a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#WAITING"><code>WAITING</code></a>. It is
optional for event type <a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#FAILURE"><code>FAILURE</code></a>. Must be <code>null</code> for
other event types.</dd></dl>
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<h4>BlueprintEvent</h4>
<pre>public BlueprintEvent(int type,
org.osgi.framework.Bundle bundle,
org.osgi.framework.Bundle extenderBundle,
java.lang.Throwable cause)</pre>
<div class="block">Create a <code>BlueprintEvent</code> object associated with a failure cause.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>type</code> - The type of this event.</dd><dd><code>bundle</code> - The Blueprint bundle associated with this event. This
parameter must not be <code>null</code>.</dd><dd><code>extenderBundle</code> - The Blueprint extender bundle that is generating
this event. This parameter must not be <code>null</code>.</dd><dd><code>cause</code> - A <code>Throwable</code> object describing the root cause of the
event. May be <code>null</code>.</dd></dl>
</li>
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<h4>BlueprintEvent</h4>
<pre>public BlueprintEvent(int type,
org.osgi.framework.Bundle bundle,
org.osgi.framework.Bundle extenderBundle,
java.lang.String[] dependencies,
java.lang.Throwable cause)</pre>
<div class="block">Create a <code>BlueprintEvent</code> object associated with a failure cause
and a set of dependencies.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>type</code> - The type of this event.</dd><dd><code>bundle</code> - The Blueprint bundle associated with this event. This
parameter must not be <code>null</code>.</dd><dd><code>extenderBundle</code> - The Blueprint extender bundle that is generating
this event. This parameter must not be <code>null</code>.</dd><dd><code>dependencies</code> - An array of <code>String</code> filters for each
dependency associated with this event. Must be a non-empty array
for event types <a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#GRACE_PERIOD"><code>GRACE_PERIOD</code></a> and <a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#WAITING"><code>WAITING</code></a>. It is
optional for event type <a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#FAILURE"><code>FAILURE</code></a>. Must be <code>null</code> for
other event types.</dd><dd><code>cause</code> - A <code>Throwable</code> object describing the root cause of this
event. May be <code>null</code>.</dd></dl>
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<h4>BlueprintEvent</h4>
<pre>public BlueprintEvent(<a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html" title="class in org.osgi.service.blueprint.container">BlueprintEvent</a> event,
boolean replay)</pre>
<div class="block">Create a new <code>BlueprintEvent</code> from the specified
<code>BlueprintEvent</code>. The <code>timestamp</code> property will be copied
from the original event and only the replay property will be overridden
with the given value.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>event</code> - The original <code>BlueprintEvent</code> to copy. Must not be
<code>null</code>.</dd><dd><code>replay</code> - <code>true</code> if this event should be used as a replay
event.</dd></dl>
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<h3>Method Detail</h3>
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<h4>getType</h4>
<pre>public int getType()</pre>
<div class="block">Return the type of this event.
<p>
The type values are:
<ul>
<li><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#CREATING"><code>CREATING</code></a></li>
<li><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#CREATED"><code>CREATED</code></a></li>
<li><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#DESTROYING"><code>DESTROYING</code></a></li>
<li><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#DESTROYED"><code>DESTROYED</code></a></li>
<li><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#FAILURE"><code>FAILURE</code></a></li>
<li><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#GRACE_PERIOD"><code>GRACE_PERIOD</code></a></li>
<li><a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#WAITING"><code>WAITING</code></a></li>
</ul></div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The type of this event.</dd></dl>
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<h4>getTimestamp</h4>
<pre>public long getTimestamp()</pre>
<div class="block">Return the time at which this event was created.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The time at which this event was created.</dd></dl>
</li>
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<h4>getBundle</h4>
<pre>public org.osgi.framework.Bundle getBundle()</pre>
<div class="block">Return the Blueprint bundle associated with this event.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The Blueprint bundle associated with this event.</dd></dl>
</li>
</ul>
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<h4>getExtenderBundle</h4>
<pre>public org.osgi.framework.Bundle getExtenderBundle()</pre>
<div class="block">Return the Blueprint extender bundle that is generating this event.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The Blueprint extender bundle that is generating this event.</dd></dl>
</li>
</ul>
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<h4>getDependencies</h4>
<pre>public java.lang.String[] getDependencies()</pre>
<div class="block">Return the filters identifying the missing dependencies that caused this
event.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The filters identifying the missing dependencies that caused this
event if the event type is one of <a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#WAITING"><code>WAITING</code></a>,
<a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#GRACE_PERIOD"><code>GRACE_PERIOD</code></a> or <a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#FAILURE"><code>FAILURE</code></a> or <code>null</code> for the
other event types.</dd></dl>
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<h4>getCause</h4>
<pre>public java.lang.Throwable getCause()</pre>
<div class="block">Return the cause for this <a href="../../../../../org/osgi/service/blueprint/container/BlueprintEvent.html#FAILURE"><code>FAILURE</code></a> event.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The cause of the failure for this event. May be <code>null</code> .</dd></dl>
</li>
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<a name="isReplay()">
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<h4>isReplay</h4>
<pre>public boolean isReplay()</pre>
<div class="block">Return whether this event is a replay event.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd><code>true</code> if this event is a replay event and <code>false</code>
otherwise.</dd></dl>
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