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<div class="subTitle">org.eclipse.january.metadata</div>
<h2 title="Interface IMetadata" class="title">Interface IMetadata</h2>
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<dt>All Superinterfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Cloneable.html?is-external=true" title="class or interface in java.lang">Cloneable</a>, <a href="../../../../org/eclipse/january/io/IDataAnalysisObject.html" title="interface in org.eclipse.january.io">IDataAnalysisObject</a>, <a href="../../../../org/eclipse/january/metadata/MetadataType.html" title="interface in org.eclipse.january.metadata">MetadataType</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></dd>
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<dl>
<dt>All Known Subinterfaces:</dt>
<dd><a href="../../../../org/eclipse/january/metadata/IExtendedMetadata.html" title="interface in org.eclipse.january.metadata">IExtendedMetadata</a></dd>
</dl>
<dl>
<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../org/eclipse/january/metadata/Metadata.html" title="class in org.eclipse.january.metadata">Metadata</a></dd>
</dl>
<hr>
<br>
<pre>public interface <a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.30">IMetadata</a>
extends <a href="../../../../org/eclipse/january/io/IDataAnalysisObject.html" title="interface in org.eclipse.january.io">IDataAnalysisObject</a>, <a href="../../../../org/eclipse/january/metadata/MetadataType.html" title="interface in org.eclipse.january.metadata">MetadataType</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre>
<div class="block">This interface describes the minimal metadata information that should be
associated with a Dataset or DataHolder. It is intended that
this interface will be implemented in an object that will then be
associated with a DataHolder or dataset using setMetadata(IMetadata).
<p>
All returned collections and maps are <b>unmodifiable</b>.</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">&nbsp;</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 long</code></td>
<td class="colLast"><code><strong><a href="../../../../org/eclipse/january/metadata/IMetadata.html#serialVersionUID">serialVersionUID</a></strong></code>
<div class="block">Update this when there are any serious changes to API</div>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</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>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/eclipse/january/metadata/IMetadata.html#addDataInfo(java.lang.String,%20int...)">addDataInfo</a></strong>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;n,
int...&nbsp;shape)</code>
<div class="block">Add name and shape of a dataset to metadata</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/eclipse/january/metadata/IMetadata.html#addNames(java.util.Collection)">addNames</a></strong>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;names)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../org/eclipse/january/metadata/IMetadata.html" title="interface in org.eclipse.january.metadata">IMetadata</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/eclipse/january/metadata/IMetadata.html#clone()">clone</a></strong>()</code>
<div class="block">Copy of metadata</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../org/eclipse/january/metadata/IMetadata.html#getDataNames()">getDataNames</a></strong>()</code>
<div class="block">Returns a collection of dataset names or null if not implemented</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,int[]&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../org/eclipse/january/metadata/IMetadata.html#getDataShapes()">getDataShapes</a></strong>()</code>
<div class="block">Can be implemented to return shapes of dataset
(shape can be null if it is not known)</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../org/eclipse/january/metadata/IMetadata.html#getDataSizes()">getDataSizes</a></strong>()</code>
<div class="block">Can be implemented to return sizes of datasets
(size can be null if it is not known)</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/eclipse/january/metadata/IMetadata.html#getFilePath()">getFilePath</a></strong>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../org/eclipse/january/metadata/IMetadata.html#getMetaNames()">getMetaNames</a></strong>()</code>
<div class="block">Returns a collection of metadata names</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/eclipse/january/metadata/IMetadata.html#getMetaValue(java.lang.String)">getMetaValue</a></strong>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key)</code>
<div class="block">Returns string value or null if not implemented</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../org/eclipse/january/metadata/IMetadata.html#getUserObjects()">getUserObjects</a></strong>()</code>
<div class="block">May be implemented to provide custom metadata in the form of a collection of serializable objects</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/eclipse/january/metadata/IMetadata.html#initialize(java.util.Map)">initialize</a></strong>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,? extends <a href="https://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;&nbsp;metadata)</code>
<div class="block">Initialize metadata</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/eclipse/january/metadata/IMetadata.html#setFilePath(java.lang.String)">setFilePath</a></strong>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;filename)</code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/eclipse/january/metadata/IMetadata.html#setMetadata(java.util.Map)">setMetadata</a></strong>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,? extends <a href="https://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;&nbsp;map)</code>
<div class="block">Set metadata map</div>
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<pre>static final&nbsp;long <a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.34">serialVersionUID</a></pre>
<div class="block">Update this when there are any serious changes to API</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#org.eclipse.january.metadata.IMetadata.serialVersionUID">Constant Field Values</a></dd></dl>
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<h4>initialize</h4>
<pre>void&nbsp;<a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.40">initialize</a>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,? extends <a href="https://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;&nbsp;metadata)</pre>
<div class="block">Initialize metadata</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>metadata</code> - </dd></dl>
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<h4>getFilePath</h4>
<pre><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;<a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.46">getFilePath</a>()</pre>
<dl><dt><span class="strong">Returns:</span></dt><dd>the path to the original file, or null if there was not a file.</dd></dl>
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<h4>getDataNames</h4>
<pre><a href="https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;<a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.53">getDataNames</a>()</pre>
<div class="block">Returns a collection of dataset names or null if not implemented</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>collection</dd></dl>
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<h4>getDataSizes</h4>
<pre><a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&nbsp;<a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.60">getDataSizes</a>()</pre>
<div class="block">Can be implemented to return sizes of datasets
(size can be null if it is not known)</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>map of sizes</dd></dl>
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<h4>getDataShapes</h4>
<pre><a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,int[]&gt;&nbsp;<a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.67">getDataShapes</a>()</pre>
<div class="block">Can be implemented to return shapes of dataset
(shape can be null if it is not known)</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>map of shapes</dd></dl>
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<pre><a href="https://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&nbsp;<a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.76">getMetaValue</a>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key)
throws <a href="../../../../org/eclipse/january/MetadataException.html" title="class in org.eclipse.january">MetadataException</a></pre>
<div class="block">Returns string value or null if not implemented</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>key</code> - </dd>
<dt><span class="strong">Returns:</span></dt><dd>value</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../org/eclipse/january/MetadataException.html" title="class in org.eclipse.january">MetadataException</a></code></dd></dl>
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<pre><a href="https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;<a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.83">getMetaNames</a>()
throws <a href="../../../../org/eclipse/january/MetadataException.html" title="class in org.eclipse.january">MetadataException</a></pre>
<div class="block">Returns a collection of metadata names</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>collection</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../org/eclipse/january/MetadataException.html" title="class in org.eclipse.january">MetadataException</a></code></dd></dl>
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<h4>getUserObjects</h4>
<pre><a href="https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;&nbsp;<a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.90">getUserObjects</a>()</pre>
<div class="block">May be implemented to provide custom metadata in the form of a collection of serializable objects</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>collection</dd></dl>
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<h4>clone</h4>
<pre><a href="../../../../org/eclipse/january/metadata/IMetadata.html" title="interface in org.eclipse.january.metadata">IMetadata</a>&nbsp;<a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.97">clone</a>()</pre>
<div class="block">Copy of metadata</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/eclipse/january/io/IDataAnalysisObject.html#clone()">clone</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/eclipse/january/io/IDataAnalysisObject.html" title="interface in org.eclipse.january.io">IDataAnalysisObject</a></code></dd>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/eclipse/january/metadata/MetadataType.html#clone()">clone</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/eclipse/january/metadata/MetadataType.html" title="interface in org.eclipse.january.metadata">MetadataType</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>deep copy</dd></dl>
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<h4>setFilePath</h4>
<pre>void&nbsp;<a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.99">setFilePath</a>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;filename)</pre>
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<pre>void&nbsp;<a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.110">addDataInfo</a>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;n,
int...&nbsp;shape)</pre>
<div class="block">Add name and shape of a dataset to metadata</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>name</code> - </dd><dd><code>shape</code> - (can be null or zero-length)
(NOTE method should be public, people can define loaders outside this
package like the DESY FIO loader for instance.)</dd></dl>
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<h4>addNames</h4>
<pre>void&nbsp;<a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.112">addNames</a>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;names)</pre>
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<h4>setMetadata</h4>
<pre>void&nbsp;<a href="../../../../src-html/org/eclipse/january/metadata/IMetadata.html#line.118">setMetadata</a>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,? extends <a href="https://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>&gt;&nbsp;map)</pre>
<div class="block">Set metadata map</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>metadata</code> - </dd></dl>
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