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<div class="subTitle">org.osgi.service.dmt.spi</div>
<h2 title="Interface ReadWriteDataSession" class="title">Interface ReadWriteDataSession</h2>
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<dl>
<dt>All Superinterfaces:</dt>
<dd><a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html" title="interface in org.osgi.service.dmt.spi">ReadableDataSession</a></dd>
</dl>
<dl>
<dt>All Known Subinterfaces:</dt>
<dd><a href="../../../../../org/osgi/service/dmt/spi/TransactionalDataSession.html" title="interface in org.osgi.service.dmt.spi">TransactionalDataSession</a></dd>
</dl>
<hr>
<br>
<pre>public interface <span class="typeNameLabel">ReadWriteDataSession</span>
extends <a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html" title="interface in org.osgi.service.dmt.spi">ReadableDataSession</a></pre>
<div class="block">Provides non-atomic read-write access to the part of the tree handled by the
plugin that created this session.
<p>
The <code>nodePath</code> parameters appearing in this interface always contain an
array of path segments identifying a node in the subtree of this plugin. This
parameter contains an absolute path, so the first segment is always
".". Special characters appear escaped in the segments.
<p>
<strong>Error handling</strong>
<p>
When a tree manipulation command is called on the DmtAdmin service, it must
perform an extensive set of checks on the parameters and the authority of the
caller before delegating the call to a plugin. Therefore plugins can take
certain circumstances for granted: that the path is valid and is within the
subtree of the plugin and the session, the command can be applied to the
given node (e.g. the target of <code>setNodeValue</code> is a leaf node), etc. All
errors described by the error codes <a href="../../../../../org/osgi/service/dmt/DmtException.html#INVALID_URI"><code>DmtException.INVALID_URI</code></a>,
<a href="../../../../../org/osgi/service/dmt/DmtException.html#URI_TOO_LONG"><code>DmtException.URI_TOO_LONG</code></a>, <a href="../../../../../org/osgi/service/dmt/DmtException.html#PERMISSION_DENIED"><code>DmtException.PERMISSION_DENIED</code></a>,
<a href="../../../../../org/osgi/service/dmt/DmtException.html#COMMAND_NOT_ALLOWED"><code>DmtException.COMMAND_NOT_ALLOWED</code></a> and
<a href="../../../../../org/osgi/service/dmt/DmtException.html#TRANSACTION_ERROR"><code>DmtException.TRANSACTION_ERROR</code></a> are fully filtered out before control
reaches the plugin.
<p>
If the plugin provides meta-data for a node, the DmtAdmin service must also
check the constraints specified by it, as described in <a href="../../../../../org/osgi/service/dmt/MetaNode.html" title="interface in org.osgi.service.dmt"><code>MetaNode</code></a>. If
the plugin does not provide meta-data, it must perform the necessary checks
for itself and use the <a href="../../../../../org/osgi/service/dmt/DmtException.html#METADATA_MISMATCH"><code>DmtException.METADATA_MISMATCH</code></a> error code to
indicate such discrepancies.
<p>
The DmtAdmin does not check that the targeted node exists (or that it does
not exist, in case of a node creation) before calling the plugin. It is the
responsibility of the plugin to perform this check and to throw a
<a href="../../../../../org/osgi/service/dmt/DmtException.html#NODE_NOT_FOUND"><code>DmtException.NODE_NOT_FOUND</code></a> or
<a href="../../../../../org/osgi/service/dmt/DmtException.html#NODE_ALREADY_EXISTS"><code>DmtException.NODE_ALREADY_EXISTS</code></a> if needed. In this case the DmtAdmin
must pass through this exception to the caller of the corresponding
DmtSession method.
<p>
The plugin can use the remaining error codes as needed. If an error does not
fit into any other category, the <a href="../../../../../org/osgi/service/dmt/DmtException.html#COMMAND_FAILED"><code>DmtException.COMMAND_FAILED</code></a> code
should be used.</div>
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<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/osgi/service/dmt/spi/ReadWriteDataSession.html#copy-java.lang.String:A-java.lang.String:A-boolean-">copy</a></span>(java.lang.String[] nodePath,
java.lang.String[] newNodePath,
boolean recursive)</code>
<div class="block">Create a copy of a node or a whole subtree.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/osgi/service/dmt/spi/ReadWriteDataSession.html#createInteriorNode-java.lang.String:A-java.lang.String-">createInteriorNode</a></span>(java.lang.String[] nodePath,
java.lang.String type)</code>
<div class="block">Create an interior node with a given type.</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/osgi/service/dmt/spi/ReadWriteDataSession.html#createLeafNode-java.lang.String:A-org.osgi.service.dmt.DmtData-java.lang.String-">createLeafNode</a></span>(java.lang.String[] nodePath,
<a href="../../../../../org/osgi/service/dmt/DmtData.html" title="class in org.osgi.service.dmt">DmtData</a> value,
java.lang.String mimeType)</code>
<div class="block">Create a leaf node with a given value and MIME type.</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/osgi/service/dmt/spi/ReadWriteDataSession.html#deleteNode-java.lang.String:A-">deleteNode</a></span>(java.lang.String[] nodePath)</code>
<div class="block">Delete the given node.</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/osgi/service/dmt/spi/ReadWriteDataSession.html#renameNode-java.lang.String:A-java.lang.String-">renameNode</a></span>(java.lang.String[] nodePath,
java.lang.String newName)</code>
<div class="block">Rename a node.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/osgi/service/dmt/spi/ReadWriteDataSession.html#setNodeTitle-java.lang.String:A-java.lang.String-">setNodeTitle</a></span>(java.lang.String[] nodePath,
java.lang.String title)</code>
<div class="block">Set the title property of a node.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/osgi/service/dmt/spi/ReadWriteDataSession.html#setNodeType-java.lang.String:A-java.lang.String-">setNodeType</a></span>(java.lang.String[] nodePath,
java.lang.String type)</code>
<div class="block">Set the type of a node.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/osgi/service/dmt/spi/ReadWriteDataSession.html#setNodeValue-java.lang.String:A-org.osgi.service.dmt.DmtData-">setNodeValue</a></span>(java.lang.String[] nodePath,
<a href="../../../../../org/osgi/service/dmt/DmtData.html" title="class in org.osgi.service.dmt">DmtData</a> data)</code>
<div class="block">Set the value of a leaf or interior node.</div>
</td>
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<h3>Methods inherited from interface org.osgi.service.dmt.spi.<a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html" title="interface in org.osgi.service.dmt.spi">ReadableDataSession</a></h3>
<code><a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html#close--">close</a>, <a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html#getChildNodeNames-java.lang.String:A-">getChildNodeNames</a>, <a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html#getMetaNode-java.lang.String:A-">getMetaNode</a>, <a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html#getNodeSize-java.lang.String:A-">getNodeSize</a>, <a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html#getNodeTimestamp-java.lang.String:A-">getNodeTimestamp</a>, <a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html#getNodeTitle-java.lang.String:A-">getNodeTitle</a>, <a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html#getNodeType-java.lang.String:A-">getNodeType</a>, <a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html#getNodeValue-java.lang.String:A-">getNodeValue</a>, <a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html#getNodeVersion-java.lang.String:A-">getNodeVersion</a>, <a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html#isLeafNode-java.lang.String:A-">isLeafNode</a>, <a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html#isNodeUri-java.lang.String:A-">isNodeUri</a>, <a href="../../../../../org/osgi/service/dmt/spi/ReadableDataSession.html#nodeChanged-java.lang.String:A-">nodeChanged</a></code></li>
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<h4>copy</h4>
<pre>void copy(java.lang.String[] nodePath,
java.lang.String[] newNodePath,
boolean recursive)
throws <a href="../../../../../org/osgi/service/dmt/DmtException.html" title="class in org.osgi.service.dmt">DmtException</a></pre>
<div class="block">Create a copy of a node or a whole subtree. Beside the structure and
values of the nodes, most properties managed by the plugin must also be
copied, with the exception of the Timestamp and Version properties.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nodePath</code> - an absolute path specifying the node or the root of a
subtree to be copied</dd>
<dd><code>newNodePath</code> - the absolute path of the new node or root of a subtree</dd>
<dd><code>recursive</code> - <code>false</code> if only a single node is copied,
<code>true</code> if the whole subtree is copied</dd>
<dt><span class="throwsLabel">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 <code>nodePath</code> points to a
non-existing node, or if <code>newNodePath</code> points to a node
that cannot exist in the tree</li>
<li><code>NODE_ALREADY_EXISTS</code> if <code>newNodePath</code> points to
a node that already exists</li>
<li><code>METADATA_MISMATCH</code> if the node could not be copied
because of meta-data restrictions</li>
<li><code>FEATURE_NOT_SUPPORTED</code> if the copy operation is not
supported by the plugin</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>
<dd><code>java.lang.SecurityException</code> - if the caller does not have the necessary
permissions to execute the underlying management operation</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../org/osgi/service/dmt/DmtSession.html#copy-java.lang.String-java.lang.String-boolean-"><code>DmtSession.copy(String, String, boolean)</code></a></dd>
</dl>
</li>
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<h4>createInteriorNode</h4>
<pre>void createInteriorNode(java.lang.String[] nodePath,
java.lang.String type)
throws <a href="../../../../../org/osgi/service/dmt/DmtException.html" title="class in org.osgi.service.dmt">DmtException</a></pre>
<div class="block">Create an interior node with a given type. The type of interior node, if
specified, is a URI identifying a DDF document.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nodePath</code> - the absolute path of the node to create</dd>
<dd><code>type</code> - the type URI of the interior node, can be <code>null</code> if no
node type is defined</dd>
<dt><span class="throwsLabel">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 <code>nodePath</code> points to a node
that cannot exist in the tree</li>
<li><code>NODE_ALREADY_EXISTS</code> if <code>nodeUri</code> points to a
node that already exists</li>
<li><code>METADATA_MISMATCH</code> if the node could not be created
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>
<dd><code>java.lang.SecurityException</code> - if the caller does not have the necessary
permissions to execute the underlying management operation</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../org/osgi/service/dmt/DmtSession.html#createInteriorNode-java.lang.String-"><code>DmtSession.createInteriorNode(String)</code></a>,
<a href="../../../../../org/osgi/service/dmt/DmtSession.html#createInteriorNode-java.lang.String-java.lang.String-"><code>DmtSession.createInteriorNode(String, String)</code></a></dd>
</dl>
</li>
</ul>
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<h4>createLeafNode</h4>
<pre>void createLeafNode(java.lang.String[] nodePath,
<a href="../../../../../org/osgi/service/dmt/DmtData.html" title="class in org.osgi.service.dmt">DmtData</a> value,
java.lang.String mimeType)
throws <a href="../../../../../org/osgi/service/dmt/DmtException.html" title="class in org.osgi.service.dmt">DmtException</a></pre>
<div class="block">Create a leaf node with a given value and MIME type. If the specified
value or MIME type is <code>null</code>, their default values must be taken.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nodePath</code> - the absolute path of the node to create</dd>
<dd><code>value</code> - the value to be given to the new node, can be <code>null</code></dd>
<dd><code>mimeType</code> - the MIME type to be given to the new node, can be
<code>null</code></dd>
<dt><span class="throwsLabel">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 <code>nodePath</code> points to a node
that cannot exist in the tree</li>
<li><code>NODE_ALREADY_EXISTS</code> if <code>nodePath</code> points to a
node that already exists</li>
<li><code>METADATA_MISMATCH</code> if the node could not be created
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>
<dd><code>java.lang.SecurityException</code> - if the caller does not have the necessary
permissions to execute the underlying management operation</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../org/osgi/service/dmt/DmtSession.html#createLeafNode-java.lang.String-"><code>DmtSession.createLeafNode(String)</code></a>,
<a href="../../../../../org/osgi/service/dmt/DmtSession.html#createLeafNode-java.lang.String-org.osgi.service.dmt.DmtData-"><code>DmtSession.createLeafNode(String, DmtData)</code></a>,
<a href="../../../../../org/osgi/service/dmt/DmtSession.html#createLeafNode-java.lang.String-org.osgi.service.dmt.DmtData-java.lang.String-"><code>DmtSession.createLeafNode(String, DmtData, String)</code></a></dd>
</dl>
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<h4>deleteNode</h4>
<pre>void deleteNode(java.lang.String[] nodePath)
throws <a href="../../../../../org/osgi/service/dmt/DmtException.html" title="class in org.osgi.service.dmt">DmtException</a></pre>
<div class="block">Delete the given node. Deleting interior nodes is recursive, the whole
subtree under the given node is deleted.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nodePath</code> - the absolute path of the node to delete</dd>
<dt><span class="throwsLabel">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 <code>nodePath</code> points to a
non-existing node</li>
<li><code>METADATA_MISMATCH</code> if the node could not be deleted
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>
<dd><code>java.lang.SecurityException</code> - if the caller does not have the necessary
permissions to execute the underlying management operation</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../org/osgi/service/dmt/DmtSession.html#deleteNode-java.lang.String-"><code>DmtSession.deleteNode(String)</code></a></dd>
</dl>
</li>
</ul>
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<h4>renameNode</h4>
<pre>void renameNode(java.lang.String[] nodePath,
java.lang.String newName)
throws <a href="../../../../../org/osgi/service/dmt/DmtException.html" title="class in org.osgi.service.dmt">DmtException</a></pre>
<div class="block">Rename a node. This operation only changes the name of the node (updating
the timestamp and version properties if they are supported), the value
and the other properties are not changed. The new name of the node must
be provided, the new path is constructed from the base of the old path
and the given name.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nodePath</code> - the absolute path of the node to rename</dd>
<dd><code>newName</code> - the new name property of the node</dd>
<dt><span class="throwsLabel">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 <code>nodePath</code> points to a
non-existing node, or if the new node is not defined in the tree</li>
<li><code>NODE_ALREADY_EXISTS</code> if there already exists a sibling
of <code>nodePath</code> with the name <code>newName</code></li>
<li><code>METADATA_MISMATCH</code> if the node could not be renamed
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>
<dd><code>java.lang.SecurityException</code> - if the caller does not have the necessary
permissions to execute the underlying management operation</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../org/osgi/service/dmt/DmtSession.html#renameNode-java.lang.String-java.lang.String-"><code>DmtSession.renameNode(String, String)</code></a></dd>
</dl>
</li>
</ul>
<a name="setNodeTitle-java.lang.String:A-java.lang.String-">
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<h4>setNodeTitle</h4>
<pre>void setNodeTitle(java.lang.String[] nodePath,
java.lang.String title)
throws <a href="../../../../../org/osgi/service/dmt/DmtException.html" title="class in org.osgi.service.dmt">DmtException</a></pre>
<div class="block">Set the title property of a node. The length of the title is guaranteed
not to exceed the limit of 255 bytes in UTF-8 encoding.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nodePath</code> - the absolute path of the node</dd>
<dd><code>title</code> - the title text of the node, can be <code>null</code></dd>
<dt><span class="throwsLabel">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 <code>nodePath</code> points to a
non-existing node</li>
<li><code>METADATA_MISMATCH</code> if the title could not be set
because of meta-data restrictions</li>
<li><code>FEATURE_NOT_SUPPORTED</code> if the Title property is not
supported by the plugin</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>
<dd><code>java.lang.SecurityException</code> - if the caller does not have the necessary
permissions to execute the underlying management operation</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../org/osgi/service/dmt/DmtSession.html#setNodeTitle-java.lang.String-java.lang.String-"><code>DmtSession.setNodeTitle(String, String)</code></a></dd>
</dl>
</li>
</ul>
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<h4>setNodeType</h4>
<pre>void setNodeType(java.lang.String[] nodePath,
java.lang.String type)
throws <a href="../../../../../org/osgi/service/dmt/DmtException.html" title="class in org.osgi.service.dmt">DmtException</a></pre>
<div class="block">Set the type of a node. The type of leaf node is the MIME type of the
data it contains. The type of an interior node is a URI identifying a DDF
document.
<p>
For interior nodes, the <code>null</code> type should remove the reference (if
any) to a DDF document overriding the tree structure defined by the
ancestors. For leaf nodes, it requests that the default MIME type is used
for the given node.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nodePath</code> - the absolute path of the node</dd>
<dd><code>type</code> - the type of the node, can be <code>null</code></dd>
<dt><span class="throwsLabel">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 <code>nodePath</code> points to a
non-existing node</li><li><code>METADATA_MISMATCH</code> if the type
could not be set 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>
<dd><code>java.lang.SecurityException</code> - if the caller does not have the necessary
permissions to execute the underlying management operation</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../org/osgi/service/dmt/DmtSession.html#setNodeType-java.lang.String-java.lang.String-"><code>DmtSession.setNodeType(String, String)</code></a></dd>
</dl>
</li>
</ul>
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<h4>setNodeValue</h4>
<pre>void setNodeValue(java.lang.String[] nodePath,
<a href="../../../../../org/osgi/service/dmt/DmtData.html" title="class in org.osgi.service.dmt">DmtData</a> data)
throws <a href="../../../../../org/osgi/service/dmt/DmtException.html" title="class in org.osgi.service.dmt">DmtException</a></pre>
<div class="block">Set the value of a leaf or interior node. The format of the node is
contained in the <code>DmtData</code> object. For interior nodes, the format
is <code>FORMAT_NODE</code>, while for leaf nodes this format is never used.
<p>
If the specified value is <code>null</code>, the default value must be taken;
if there is no default value, a <code>DmtException</code> with error code
<code>METADATA_MISMATCH</code> must be thrown.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nodePath</code> - the absolute path of the node</dd>
<dd><code>data</code> - the data to be set, can be <code>null</code></dd>
<dt><span class="throwsLabel">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 <code>nodePath</code> points to a
non-existing node</li><li><code>METADATA_MISMATCH</code> if the value
could not be set because of meta-data restrictions</li><li>
<code>FEATURE_NOT_SUPPORTED</code> if the specified node is an
interior node and does not support Java object values</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>
<dd><code>java.lang.SecurityException</code> - if the caller does not have the necessary
permissions to execute the underlying management operation</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../org/osgi/service/dmt/DmtSession.html#setNodeValue-java.lang.String-org.osgi.service.dmt.DmtData-"><code>DmtSession.setNodeValue(String, DmtData)</code></a></dd>
</dl>
</li>
</ul>
</li>
</ul>
</li>
</ul>
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