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<div class="subTitle">org.osgi.service.dmt.spi</div>
<h2 title="Interface ExecPlugin" class="title">Interface ExecPlugin</h2>
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<pre>public interface <span class="strong">ExecPlugin</span></pre>
<div class="block">An implementation of this interface takes the responsibility of handling node
execute requests requests in a subtree of the DMT.
<p>
In an OSGi environment such implementations should be registered at the OSGi
service registry specifying the list of root node URIs in a <code>String</code>
array or in case of a single value as <code>String</code> in the
<code>execRootURIs</code> registration parameter.</div>
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<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/dmt/spi/ExecPlugin.html#EXEC_ROOT_URIS">EXEC_ROOT_URIS</a></strong></code>
<div class="block">The string to be used as key for the ???execRootURIs??? property when an
ExecPlugin is registered.</div>
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<tr class="rowColor">
<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/dmt/spi/ExecPlugin.html#MOUNT_POINTS">MOUNT_POINTS</a></strong></code>
<div class="block">The string to be used as key for the mount points property when an Exec
Plugin is registered with mount points.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/osgi/service/dmt/spi/ExecPlugin.html#execute(org.osgi.service.dmt.DmtSession,%20java.lang.String[],%20java.lang.String,%20java.lang.String)">execute</a></strong>(<a href="../../../../../org/osgi/service/dmt/DmtSession.html" title="interface in org.osgi.service.dmt">DmtSession</a> session,
java.lang.String[] nodePath,
java.lang.String correlator,
java.lang.String data)</code>
<div class="block">Execute the given node with the given data.</div>
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<h4>MOUNT_POINTS</h4>
<pre>static final java.lang.String MOUNT_POINTS</pre>
<div class="block">The string to be used as key for the mount points property when an Exec
Plugin is registered with mount points.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../constant-values.html#org.osgi.service.dmt.spi.ExecPlugin.MOUNT_POINTS">Constant Field Values</a></dd></dl>
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<h4>EXEC_ROOT_URIS</h4>
<pre>static final java.lang.String EXEC_ROOT_URIS</pre>
<div class="block">The string to be used as key for the ???execRootURIs??? property when an
ExecPlugin is registered.</div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>2.0</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../constant-values.html#org.osgi.service.dmt.spi.ExecPlugin.EXEC_ROOT_URIS">Constant Field Values</a></dd></dl>
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<h4>execute</h4>
<pre>void execute(<a href="../../../../../org/osgi/service/dmt/DmtSession.html" title="interface in org.osgi.service.dmt">DmtSession</a> session,
java.lang.String[] nodePath,
java.lang.String correlator,
java.lang.String data)
throws <a href="../../../../../org/osgi/service/dmt/DmtException.html" title="class in org.osgi.service.dmt">DmtException</a></pre>
<div class="block">Execute the given node with the given data. This operation corresponds to
the EXEC command in OMA DM.
<p>
The semantics of an execute operation and the data parameter it takes
depends on the definition of the managed object on which the command is
issued. Session information is given as it is needed for sending alerts
back from the plugin. If a correlation ID is specified, it should be used
as the <code>correlator</code> parameter for alerts sent in response to this
execute operation.
<p>
The <code>nodePath</code> parameter contains an array of path segments
identifying the node to be executed in the subtree of this plugin. This
is an absolute path, so the first segment is always ".".
Special characters appear escaped in the segments.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>session</code> - a reference to the session in which the operation was
issued, must not be <code>null</code></dd><dd><code>nodePath</code> - the absolute path of the node to be executed, must not be
<code>null</code></dd><dd><code>correlator</code> - an identifier to associate this operation with any
alerts sent in response to it, can be <code>null</code></dd><dd><code>data</code> - the parameter of the execute operation, can be <code>null</code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/osgi/service/dmt/DmtException.html" title="class in org.osgi.service.dmt">DmtException</a></code> - with the following possible error codes:
<ul>
<li><code>NODE_NOT_FOUND</code> if the node does not exist</li><li>
<code>METADATA_MISMATCH</code> if the command failed because of
meta-data restrictions</li><li><code>DATA_STORE_FAILURE</code> if an
error occurred while accessing the data store</li><li>
<code>COMMAND_FAILED</code> if some unspecified error is encountered
while attempting to complete the command</li>
</ul></dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/osgi/service/dmt/DmtSession.html#execute(java.lang.String,%20java.lang.String)"><code>DmtSession.execute(String, String)</code></a>,
<a href="../../../../../org/osgi/service/dmt/DmtSession.html#execute(java.lang.String,%20java.lang.String,%20java.lang.String)"><code>DmtSession.execute(String, String, String)</code></a></dd></dl>
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