wfsfeaturesource.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

 <p>
 The schema returned is the LCD supported by all available Features. In
 the common case of shapfiles and database table this schema will match
 that of every feature available. In the degenerate GML case this will
 simply reflect the gml:AbstractFeatureType.
 </p>
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the schema of features created by this datasource.<DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/data/FeatureSource.html#getSchema()"><CODE>FeatureSource.getSchema()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getBounds()"><!-- --></A><H3>
getBounds</H3>
<PRE>
public <A HREF="http://www.jump-project.org/docs/jts/1.7/api/com/vividsolutions/jts/geom/Envelope.html" title="class or interface in com.vividsolutions.jts.geom">Envelope</A> <B>getBounds</B>()
                   throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html" title="class in org.geotools.data">AbstractFeatureSource</A></CODE></B></DD>
<DD>Retrieve Bounds of all Features.

 <p>
 Currently returns null, consider getFeatures().getBounds() instead.
 </p>

 <p>
 Subclasses may override this method to perform the appropriate optimization for this result.
 </p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/FeatureSource.html#getBounds()">getBounds</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html#getBounds()">getBounds</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html" title="class in org.geotools.data">AbstractFeatureSource</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>null representing the lack of an optimization
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - DOCUMENT ME!<DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/data/FeatureSource.html#getBounds()"><CODE>FeatureSource.getBounds()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getBounds(org.geotools.data.Query)"><!-- --></A><H3>
getBounds</H3>
<PRE>
public <A HREF="http://www.jump-project.org/docs/jts/1.7/api/com/vividsolutions/jts/geom/Envelope.html" title="class or interface in com.vividsolutions.jts.geom">Envelope</A> <B>getBounds</B>(<A HREF="../../../../org/geotools/data/Query.html" title="interface in org.geotools.data">Query</A>&nbsp;query)
                   throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html" title="class in org.geotools.data">AbstractFeatureSource</A></CODE></B></DD>
<DD>Retrieve Bounds of Query results.

 <p>
 Currently returns null, consider getFeatures( query ).getBounds() instead.
 </p>

 <p>
 Subclasses may override this method to perform the appropriate optimization for this result.
 </p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/FeatureSource.html#getBounds(org.geotools.data.Query)">getBounds</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html#getBounds(org.geotools.data.Query)">getBounds</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html" title="class in org.geotools.data">AbstractFeatureSource</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>query</CODE> - Query we are requesting the bounds of
<DT><B>Returns:</B><DD>null representing the lack of an optimization
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - DOCUMENT ME!<DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/data/FeatureSource.html#getBounds(org.geotools.data.Query)"><CODE>FeatureSource.getBounds(org.geotools.data.Query)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getFeatures()"><!-- --></A><H3>
getFeatures</H3>
<PRE>
public <A HREF="../../../../org/geotools/feature/FeatureCollection.html" title="interface in org.geotools.feature">FeatureCollection</A> <B>getFeatures</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html" title="class in org.geotools.data">AbstractFeatureSource</A></CODE></B></DD>
<DD>Retrieve all Features.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/FeatureSource.html#getFeatures()">getFeatures</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html#getFeatures()">getFeatures</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html" title="class in org.geotools.data">AbstractFeatureSource</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>FeatureResults of all Features in FeatureSource<DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/data/FeatureSource.html#getFeatures()"><CODE>FeatureSource.getFeatures()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getFeatures(org.geotools.filter.Filter)"><!-- --></A><H3>
getFeatures</H3>
<PRE>
public <A HREF="../../../../org/geotools/feature/FeatureCollection.html" title="interface in org.geotools.feature">FeatureCollection</A> <B>getFeatures</B>(<A HREF="../../../../org/geotools/filter/Filter.html" title="interface in org.geotools.filter">Filter</A>&nbsp;filter)</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html" title="class in org.geotools.data">AbstractFeatureSource</A></CODE></B></DD>
<DD>Retrieve all Feature matching the Filter.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/FeatureSource.html#getFeatures(org.geotools.filter.Filter)">getFeatures</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html#getFeatures(org.geotools.filter.Filter)">getFeatures</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html" title="class in org.geotools.data">AbstractFeatureSource</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>filter</CODE> - Indicates features to retrieve
<DT><B>Returns:</B><DD>FeatureResults indicating features matching filter<DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/data/FeatureSource.html#getFeatures(org.geotools.filter.Filter)"><CODE>FeatureSource.getFeatures(org.geotools.filter.Filter)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getFeatures(org.geotools.data.Query)"><!-- --></A><H3>
getFeatures</H3>
<PRE>
public <A HREF="../../../../org/geotools/feature/FeatureCollection.html" title="interface in org.geotools.feature">FeatureCollection</A> <B>getFeatures</B>(<A HREF="../../../../org/geotools/data/Query.html" title="interface in org.geotools.data">Query</A>&nbsp;query)</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html" title="class in org.geotools.data">AbstractFeatureSource</A></CODE></B></DD>
<DD>Provides an interface to for the Results of a Query.

 <p>
 Various queries can be made against the results, the most basic being to retrieve Features.
 </p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/FeatureSource.html#getFeatures(org.geotools.data.Query)">getFeatures</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html#getFeatures(org.geotools.data.Query)">getFeatures</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html" title="class in org.geotools.data">AbstractFeatureSource</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>query</CODE> - <DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/data/FeatureSource.html#getFeatures(org.geotools.data.Query)"><CODE>FeatureSource.getFeatures(org.geotools.data.Query)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getTransaction()"><!-- --></A><H3>
getTransaction</H3>
<PRE>
public <A HREF="../../../../org/geotools/data/Transaction.html" title="interface in org.geotools.data">Transaction</A> <B>getTransaction</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html" title="class in org.geotools.data">AbstractFeatureSource</A></CODE></B></DD>
<DD>Retrieve the Transaction this FeatureSource is operating against.

 <p>
 For a plain FeatureSource that cannot modify this will always be Transaction.AUTO_COMMIT.
 </p>
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html#getTransaction()">getTransaction</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html" title="class in org.geotools.data">AbstractFeatureSource</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Transacstion FeatureSource is operating against<DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/data/AbstractFeatureSource.html#getTransaction()"><CODE>AbstractFeatureSource.getTransaction()</CODE></A></DL>
</DD>
</DL>
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