<h2>org.autoplot.datasource.AbstractDataSource</h2><p>Base class for file-based DataSources that keeps track of the uri, makes
 the parameters available, manages capabilities and has do-nothing
 implementations for rarely-used methods of DataSource.

 Also this provides the filePollUpdating parameter and Updating capability.</p>
<h2>AbstractDataSource( <a href='https://docs.oracle.com/javase/8/docs/api/java/net/URI.html'>java.net.URI</a> uri )</h2>
<p></p>

<hr>
<a name="addCability"></a>
<h2><del>addCability</del></h2>
Deprecated: use addCapability
<hr>
<a name="addCapability"></a>
<h2>addCapability</h2>
addCapability( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html'>java.lang.Class</a> clazz, <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html'>Object</a> o ) &rarr; void

<p>attach a capability</p>

<h3>Parameters</h3>
clazz - the capability class.
<br>
o - an implementation.

<h3>Returns:</h3>
void (returns nothing)

<br><br>
<a href="https://github.com/autoplot/dev/search?q=addCapability&unscoped_q=addCapability">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/autoplot/datasource/AbstractDataSource.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/autoplot/datasource/AbstractDataSource.html#addCapability">[view on old javadoc]</a>
 <a href="https://sourceforge.net/p/autoplot/code/HEAD/tree/autoplot/trunk/DataSource/src/org/autoplot/datasource/AbstractDataSource.java#l506">[view source]</a>
<br>
<br>
<hr>
<a name="asynchronousLoad"></a>
<h2>asynchronousLoad</h2>
asynchronousLoad(  ) &rarr; boolean

<p></p>

<h3>Returns:</h3>
boolean

<br><br>
<a href="https://github.com/autoplot/dev/search?q=asynchronousLoad&unscoped_q=asynchronousLoad">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/autoplot/datasource/AbstractDataSource.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/autoplot/datasource/AbstractDataSource.html#asynchronousLoad">[view on old javadoc]</a>
 <a href="https://sourceforge.net/p/autoplot/code/HEAD/tree/autoplot/trunk/DataSource/src/org/autoplot/datasource/AbstractDataSource.java#l129">[view source]</a>
<br>
<br>
<hr>
<a name="getCapability"></a>
<h2>getCapability</h2>
getCapability( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html'>java.lang.Class</a> clazz ) &rarr; <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html'>Object</a>

<p>attempt to get a capability.  null will be returned if the 
 capability doesn't exist.</p>

<h3>Parameters</h3>
clazz - the capability class.

<h3>Returns:</h3>
null or an implementation of a capability.
<br><br>
<a href="https://github.com/autoplot/dev/search?q=getCapability&unscoped_q=getCapability">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/autoplot/datasource/AbstractDataSource.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/autoplot/datasource/AbstractDataSource.html#getCapability">[view on old javadoc]</a>
 <a href="https://sourceforge.net/p/autoplot/code/HEAD/tree/autoplot/trunk/DataSource/src/org/autoplot/datasource/AbstractDataSource.java#l485">[view source]</a>
<br>
<br>
<hr>
<a name="getDataSet"></a>
<h2>getDataSet</h2>
getDataSet( <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/util/monitor/ProgressMonitor.html'>ProgressMonitor</a> mon ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/qds/QDataSet.html'>QDataSet</a>

<p></p>

<h3>Parameters</h3>
mon - a ProgressMonitor

<h3>Returns:</h3>
org.das2.qds.QDataSet

<br><br>
<a href="https://github.com/autoplot/dev/search?q=getDataSet&unscoped_q=getDataSet">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/autoplot/datasource/AbstractDataSource.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/autoplot/datasource/AbstractDataSource.html#getDataSet">[view on old javadoc]</a>
 <a href="https://sourceforge.net/p/autoplot/code/HEAD/tree/autoplot/trunk/DataSource/src/org/autoplot/datasource/AbstractDataSource.java#l126">[view source]</a>
<br>
<br>
<hr>
<a name="getMetadata"></a>
<h2>getMetadata</h2>
getMetadata( <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/util/monitor/ProgressMonitor.html'>ProgressMonitor</a> mon ) &rarr; <a href='https://docs.oracle.com/javase/8/docs/api/java/util/Map.html'>java.util.Map</a>

<p>abstract class version returns an empty tree.  Override this method
 to provide metadata.</p>

<h3>Parameters</h3>
mon - progress monitor

<h3>Returns:</h3>
a java.util.Map

<br><br>
<a href="https://github.com/autoplot/dev/search?q=getMetadata&unscoped_q=getMetadata">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/autoplot/datasource/AbstractDataSource.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/autoplot/datasource/AbstractDataSource.html#getMetadata">[view on old javadoc]</a>
 <a href="https://sourceforge.net/p/autoplot/code/HEAD/tree/autoplot/trunk/DataSource/src/org/autoplot/datasource/AbstractDataSource.java#l267">[view source]</a>
<br>
<br>
<hr>
<a name="getMetadataModel"></a>
<h2>getMetadataModel</h2>
getMetadataModel(  ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/autoplot/datasource/MetadataModel.html'>org.autoplot.datasource.MetadataModel</a>

<p>return a MetadataModel object that can make the metadata canonical.
 For example, ISTPMetadataModel interprets the metadata returned from CDF files,
 but this same model can be used with HDF files.  This returns a null model
 that does no interpretation, and some data sources will override this.</p>

<h3>Returns:</h3>
an org.autoplot.datasource.MetadataModel

<br><br>
<a href="https://github.com/autoplot/dev/search?q=getMetadataModel&unscoped_q=getMetadataModel">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/autoplot/datasource/AbstractDataSource.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/autoplot/datasource/AbstractDataSource.html#getMetadataModel">[view on old javadoc]</a>
 <a href="https://sourceforge.net/p/autoplot/code/HEAD/tree/autoplot/trunk/DataSource/src/org/autoplot/datasource/AbstractDataSource.java#l279">[view source]</a>
<br>
<br>
<hr>
<a name="getProperties"></a>
<h2>getProperties</h2>
getProperties(  ) &rarr; <a href='https://docs.oracle.com/javase/8/docs/api/java/util/Map.html'>java.util.Map</a>

<p>return metadata in canonical form using the metadata model.  If there
 are no properties or a null model, then an empty map is returned.
 Note, getMetadataModel should return non-null, and getMetadata should return non-null,
 but this guards against the mistake.</p>

<h3>Returns:</h3>
a java.util.Map

<br><br>
<a href="https://github.com/autoplot/dev/search?q=getProperties&unscoped_q=getProperties">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/autoplot/datasource/AbstractDataSource.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/autoplot/datasource/AbstractDataSource.html#getProperties">[view on old javadoc]</a>
 <a href="https://sourceforge.net/p/autoplot/code/HEAD/tree/autoplot/trunk/DataSource/src/org/autoplot/datasource/AbstractDataSource.java#l291">[view source]</a>
<br>
<br>
<hr>
<a name="getURI"></a>
<h2>getURI</h2>
getURI(  ) &rarr; <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a>

<p></p>

<h3>Returns:</h3>
java.lang.String

<br><br>
<a href="https://github.com/autoplot/dev/search?q=getURI&unscoped_q=getURI">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/autoplot/datasource/AbstractDataSource.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/autoplot/datasource/AbstractDataSource.html#getURI">[view on old javadoc]</a>
 <a href="https://sourceforge.net/p/autoplot/code/HEAD/tree/autoplot/trunk/DataSource/src/org/autoplot/datasource/AbstractDataSource.java#l139">[view source]</a>
<br>
<br>
<hr>
<a name="toString"></a>
<h2>toString</h2>
toString(  ) &rarr; <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a>

<p></p>

<h3>Returns:</h3>
java.lang.String

<br><br>
<a href="https://github.com/autoplot/dev/search?q=toString&unscoped_q=toString">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/autoplot/datasource/AbstractDataSource.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/autoplot/datasource/AbstractDataSource.html#toString">[view on old javadoc]</a>
 <a href="https://sourceforge.net/p/autoplot/code/HEAD/tree/autoplot/trunk/DataSource/src/org/autoplot/datasource/AbstractDataSource.java#l134">[view source]</a>
<br>
<br>