defaultview.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

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Implement getFeatures.
 
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/geotools/feature/FeatureCollection.html" title="interface in org.geotools.feature">FeatureCollection</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/view/DefaultView.html#getFeatures(org.geotools.data.Query)">getFeatures</A></B>(<A HREF="../../../../org/geotools/data/Query.html" title="interface in org.geotools.data">Query</A>&nbsp;query)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Implement getFeatures.
 
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/view/DefaultView.html#getSchema()">getSchema</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Implement getSchema.
 
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../org/geotools/filter/Filter.html" title="interface in org.geotools.filter">Filter</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/view/DefaultView.html#makeDefinitionFilter(org.geotools.filter.Filter)">makeDefinitionFilter</A></B>(<A HREF="../../../../org/geotools/filter/Filter.html" title="interface in org.geotools.filter">Filter</A>&nbsp;filter)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If a definition query has been configured for the FeatureTypeInfo, makes
 and return a new Filter that contains both the query's filter and the
 layer's definition one, by logic AND'ing them.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../org/geotools/data/DefaultQuery.html" title="class in org.geotools.data">DefaultQuery</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/view/DefaultView.html#makeDefinitionQuery(org.geotools.data.Query)">makeDefinitionQuery</A></B>(<A HREF="../../../../org/geotools/data/Query.html" title="interface in org.geotools.data">Query</A>&nbsp;query)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Takes a query and adapts it to match re definitionQuery filter configured
 for a feature type. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/view/DefaultView.html#removeFeatureListener(org.geotools.data.FeatureListener)">removeFeatureListener</A></B>(<A HREF="../../../../org/geotools/data/FeatureListener.html" title="interface in org.geotools.data">FeatureListener</A>&nbsp;listener)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Implement removeFeatureListener.
 
 </TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TD><B>Methods inherited from class <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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</TABLE>
&nbsp;
<P>

<!-- ============ FIELD DETAIL =========== -->

<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Field Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="source"><!-- --></A><H3>
source</H3>
<PRE>
protected <A HREF="../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A> <B>source</B></PRE>
<DL>
<DD>FeatureSource being served up
<P>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="DefaultView(org.geotools.data.FeatureSource, org.geotools.data.Query)"><!-- --></A><H3>
DefaultView</H3>
<PRE>
public <B>DefaultView</B>(<A HREF="../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A>&nbsp;source,
                   <A HREF="../../../../org/geotools/data/Query.html" title="interface in org.geotools.data">Query</A>&nbsp;query)
            throws <A HREF="../../../../org/geotools/feature/SchemaException.html" title="class in org.geotools.feature">SchemaException</A></PRE>
<DL>
<DD>Creates a new GeoServerFeatureSource object.
 <p>
 Grabs the following from query:
 <ul>
 <li>typeName - only used if client does not supply
 <li>cs - only used if client does not supply
 <li>csForce - only used if client does not supply
 <li>filter - combined with client filter
 <li>propertyNames - combined with client filter (indicate property names
 that *must* be included)
 </ul>
 </p>
 Schema is generated based on this information.
 </p>
<P>
<DT><B>Parameters:</B><DD><CODE>source</CODE> - a FeatureSource<DD><CODE>query</CODE> - Filter used to limit results
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../org/geotools/feature/SchemaException.html" title="class in org.geotools.feature">SchemaException</A></CODE></DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="create(org.geotools.data.FeatureSource, org.geotools.data.Query)"><!-- --></A><H3>
create</H3>
<PRE>
public static <A HREF="../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A> <B>create</B>(<A HREF="../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A>&nbsp;source,
                                   <A HREF="../../../../org/geotools/data/Query.html" title="interface in org.geotools.data">Query</A>&nbsp;query)
                            throws <A HREF="../../../../org/geotools/feature/SchemaException.html" title="class in org.geotools.feature">SchemaException</A></PRE>
<DL>
<DD>Factory that make the correct decorator for the provided featureSource.
 
 <p>
 This factory method is public and will be used to create all required
 subclasses. By comparison the constructors for this class have package
 visibiliy.
 </p>
 
 TODO: revisit this - I am not sure I want write access to views
 (especially if they do reprojection).
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>source</CODE> - <DD><CODE>query</CODE> - 
<DT><B>Returns:</B><DD>@throws
         SchemaException
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../org/geotools/feature/SchemaException.html" title="class in org.geotools.feature">SchemaException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="makeDefinitionQuery(org.geotools.data.Query)"><!-- --></A><H3>
makeDefinitionQuery</H3>
<PRE>
protected <A HREF="../../../../org/geotools/data/DefaultQuery.html" title="class in org.geotools.data">DefaultQuery</A> <B>makeDefinitionQuery</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>Takes a query and adapts it to match re definitionQuery filter configured
 for a feature type. It won't handle coordinate system changes
 <p>
 Grabs the following from query:
 <ul>
 <li>typeName - only used if client does not supply
 <li>filter - combined with client filter
 <li>propertyNames - combined with client filter (indicate property names
 that *must* be included)
 </ul>
 </p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>query</CODE> - Query against this DataStore
<DT><B>Returns:</B><DD>Query restricted to the limits of definitionQuery
<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> - See DataSourceException
<DD><CODE><A HREF="../../../../org/geotools/data/DataSourceException.html" title="class in org.geotools.data">DataSourceException</A></CODE> - If query could not meet the restrictions of definitionQuery</DL>
</DD>
</DL>
<HR>

<A NAME="makeDefinitionFilter(org.geotools.filter.Filter)"><!-- --></A><H3>
makeDefinitionFilter</H3>
<PRE>
protected <A HREF="../../../../org/geotools/filter/Filter.html" title="interface in org.geotools.filter">Filter</A> <B>makeDefinitionFilter</B>(<A HREF="../../../../org/geotools/filter/Filter.html" title="interface in org.geotools.filter">Filter</A>&nbsp;filter)
                               throws <A HREF="../../../../org/geotools/data/DataSourceException.html" title="class in org.geotools.data">DataSourceException</A></PRE>
<DL>
<DD>If a definition query has been configured for the FeatureTypeInfo, makes
 and return a new Filter that contains both the query's filter and the
 layer's definition one, by logic AND'ing them.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>filter</CODE> - Origional user supplied Filter
<DT><B>Returns:</B><DD>Filter adjusted to the limitations of definitionQuery
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../org/geotools/data/DataSourceException.html" title="class in org.geotools.data">DataSourceException</A></CODE> - If the filter could not meet the limitations of
             definitionQuery</DL>
</DD>
</DL>
<HR>

<A NAME="getDataStore()"><!-- --></A><H3>
getDataStore</H3>
<PRE>
public <A HREF="../../../../org/geotools/data/DataStore.html" title="interface in org.geotools.data">DataStore</A> <B>getDataStore</B>()</PRE>
<DL>
<DD>Implement getDataStore.
 
 <p>
 Description ...
 </p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/FeatureSource.html#getDataStore()">getDataStore</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>@see org.geotools.data.FeatureSource#getDataStore()</DL>
</DD>
</DL>
<HR>

<A NAME="addFeatureListener(org.geotools.data.FeatureListener)"><!-- --></A><H3>
addFeatureListener</H3>
<PRE>
public void <B>addFeatureListener</B>(<A HREF="../../../../org/geotools/data/FeatureListener.html" title="interface in org.geotools.data">FeatureListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Implement addFeatureListener.
 
 <p>
 Description ...
 </p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/FeatureSource.html#addFeatureListener(org.geotools.data.FeatureListener)">addFeatureListener</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - <DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/data/FeatureSource.html#addFeatureListener(org.geotools.data.FeatureListener)"><CODE>FeatureSource.addFeatureListener(org.geotools.data.FeatureListener)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="removeFeatureListener(org.geotools.data.FeatureListener)"><!-- --></A><H3>
removeFeatureListener</H3>
<PRE>