postgisfeaturestore.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

<DD><DL>

<DT><B>Returns:</B><DD>DOCUMENT ME!<DT><B>'TODO:'</B></DT>
  <DD>REVISIT: to abstract class, same as oracle.</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="makeSql(org.geotools.filter.SQLUnpacker, org.geotools.data.Query)"><!-- --></A><H3>
makeSql</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>makeSql</B>(<A HREF="../../../../org/geotools/filter/SQLUnpacker.html" title="class in org.geotools.filter">SQLUnpacker</A>&nbsp;unpacker,
                      <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>Deprecated.</B>&nbsp;<I>please use makeSql(query)</I>
<P>
<DD>Creates a SQL statement for the PostGIS database.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>unpacker</CODE> - the object to get the encodable filter.<DD><CODE>query</CODE> - the getFeature query - for the tableName, properties and
        maxFeatures.
<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> - if there are problems encoding the sql.</DL>
</DD>
</DL>
<HR>

<A NAME="makeSql(org.geotools.data.Query)"><!-- --></A><H3>
makeSql</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>makeSql</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>Creates a SQL statement for the PostGIS database.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>Full SQL statement.
<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> - if there are problems encoding the sql.<DT><B>'TODO:'</B></DT>
  <DD>REVISIT: faithfully use sqlBuilder</DD>
</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 interface: <CODE><A HREF="../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A></CODE></B></DD>
<DD>Gets the bounding box of this datasource.

 <p>
 With getBounds(Query) this becomes a convenience method for
 getBounds(Query.ALL), that is the bounds for all features contained
 here.
 </p>

 <p>
 If getBounds() returns <code>null</code> due to expense consider using
 <code>getFeatures().getBounds()</code> as a an alternative.
 </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/jdbc/JDBCFeatureSource.html#getBounds()">getBounds</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html" title="class in org.geotools.data.jdbc">JDBCFeatureSource</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!</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>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/jdbc/JDBCFeatureSource.html#getBounds(org.geotools.data.Query)">getBounds</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html" title="class in org.geotools.data.jdbc">JDBCFeatureSource</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!</DL>
</DD>
</DL>
<HR>

<A NAME="bounds(org.geotools.data.Query)"><!-- --></A><H3>
bounds</H3>
<PRE>
protected <A HREF="../../../../org/geotools/geometry/jts/ReferencedEnvelope.html" title="class in org.geotools.geometry.jts">ReferencedEnvelope</A> <B>bounds</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><DL>

<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></DL>
</DD>
</DL>
<HR>

<A NAME="getEnvelope(java.sql.Connection, java.lang.String, org.geotools.data.jdbc.SQLBuilder, org.geotools.filter.Filter)"><!-- --></A><H3>
getEnvelope</H3>
<PRE>
protected <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>getEnvelope</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/sql/Connection.html" title="class or interface in java.sql">Connection</A>&nbsp;conn,
                               <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;geomName,
                               <A HREF="../../../../org/geotools/data/jdbc/SQLBuilder.html" title="interface in org.geotools.data.jdbc">SQLBuilder</A>&nbsp;sqlBuilder,
                               <A HREF="../../../../org/geotools/filter/Filter.html" title="interface in org.geotools.filter">Filter</A>&nbsp;filter)
                        throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/sql/SQLException.html" title="class or interface in java.sql">SQLException</A>,
                               <A HREF="../../../../org/geotools/filter/SQLEncoderException.html" title="class in org.geotools.filter">SQLEncoderException</A>,
                               <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A>,
                               <A HREF="http://www.jump-project.org/docs/jts/1.7/api/com/vividsolutions/jts/io/ParseException.html" title="class or interface in com.vividsolutions.jts.io">ParseException</A></PRE>
<DL>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/sql/SQLException.html" title="class or interface in java.sql">SQLException</A></CODE>
<DD><CODE><A HREF="../../../../org/geotools/filter/SQLEncoderException.html" title="class in org.geotools.filter">SQLEncoderException</A></CODE>
<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>
<DD><CODE><A HREF="http://www.jump-project.org/docs/jts/1.7/api/com/vividsolutions/jts/io/ParseException.html" title="class or interface in com.vividsolutions.jts.io">ParseException</A></CODE></DL>
</DD>
</DL>
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