indexedshapefiledatastore.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

<DL>
<DD>Creates a new instance of ShapefileDataStore.
<P>
<DT><B>Parameters:</B><DD><CODE>url</CODE> - The URL of the shp file to use for this DataSource.<DD><CODE>namespace</CODE> - DOCUMENT ME!</DL>
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<A NAME="IndexedShapefileDataStore(java.net.URL, java.net.URI, boolean)"><!-- --></A><H3>
IndexedShapefileDataStore</H3>
<PRE>
public <B>IndexedShapefileDataStore</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A>&nbsp;url,
                                 <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URI.html" title="class or interface in java.net">URI</A>&nbsp;namespace,
                                 boolean&nbsp;useMemoryMappedBuffer)
                          throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/MalformedURLException.html" title="class or interface in java.net">MalformedURLException</A></PRE>
<DL>
<DD>Creates a new instance of ShapefileDataStore.
<P>
<DT><B>Parameters:</B><DD><CODE>url</CODE> - The URL of the shp file to use for this DataSource.<DD><CODE>namespace</CODE> - DOCUMENT ME!<DD><CODE>useMemoryMappedBuffer</CODE> - enable/disable memory mapping of files</DL>
<HR>

<A NAME="IndexedShapefileDataStore(java.net.URL, boolean)"><!-- --></A><H3>
IndexedShapefileDataStore</H3>
<PRE>
public <B>IndexedShapefileDataStore</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A>&nbsp;url,
                                 boolean&nbsp;useMemoryMappedBuffer)
                          throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/MalformedURLException.html" title="class or interface in java.net">MalformedURLException</A></PRE>
<DL>
<DD>Creates a new instance of ShapefileDataStore.
<P>
<DT><B>Parameters:</B><DD><CODE>url</CODE> - The URL of the shp file to use for this DataSource.<DD><CODE>useMemoryMappedBuffer</CODE> - enable/disable memory mapping of files</DL>
<HR>

<A NAME="IndexedShapefileDataStore(java.net.URL, boolean, boolean)"><!-- --></A><H3>
IndexedShapefileDataStore</H3>
<PRE>
public <B>IndexedShapefileDataStore</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A>&nbsp;url,
                                 boolean&nbsp;useMemoryMappedBuffer,
                                 boolean&nbsp;createIndex)
                          throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/MalformedURLException.html" title="class or interface in java.net">MalformedURLException</A></PRE>
<DL>
<DD>Creates a new instance of ShapefileDataStore.
<P>
<DT><B>Parameters:</B><DD><CODE>url</CODE> - The URL of the shp file to use for this DataSource.<DD><CODE>useMemoryMappedBuffer</CODE> - enable/disable memory mapping of files<DD><CODE>createIndex</CODE> - enable/disable automatic index creation if needed</DL>
<HR>

<A NAME="IndexedShapefileDataStore(java.net.URL, java.net.URI, boolean, boolean, byte)"><!-- --></A><H3>
IndexedShapefileDataStore</H3>
<PRE>
public <B>IndexedShapefileDataStore</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A>&nbsp;url,
                                 <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URI.html" title="class or interface in java.net">URI</A>&nbsp;namespace,
                                 boolean&nbsp;useMemoryMappedBuffer,
                                 boolean&nbsp;createIndex,
                                 byte&nbsp;treeType)
                          throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/MalformedURLException.html" title="class or interface in java.net">MalformedURLException</A></PRE>
<DL>
<DD>Creates a new instance of ShapefileDataStore.
<P>
<DT><B>Parameters:</B><DD><CODE>url</CODE> - The URL of the shp file to use for this DataSource.<DD><CODE>namespace</CODE> - DOCUMENT ME!<DD><CODE>useMemoryMappedBuffer</CODE> - enable/disable memory mapping of files<DD><CODE>createIndex</CODE> - enable/disable automatic index creation if needed<DD><CODE>treeType</CODE> - DOCUMENT ME!
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/NullPointerException.html" title="class or interface in java.lang">NullPointerException</A></CODE> - DOCUMENT ME!
<DD><CODE>.</CODE>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/MalformedURLException.html" title="class or interface in java.net">MalformedURLException</A></CODE></DL>

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

<A NAME="method_detail"><!-- --></A>
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
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</TABLE>

<A NAME="finalize()"><!-- --></A><H3>
finalize</H3>
<PRE>
protected void <B>finalize</B>()
                 throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Throwable.html" title="class or interface in java.lang">Throwable</A></PRE>
<DL>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Throwable.html" title="class or interface in java.lang">Throwable</A></CODE></DL>
</DD>
</DL>
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<A NAME="isLocal()"><!-- --></A><H3>
isLocal</H3>
<PRE>
public boolean <B>isLocal</B>()</PRE>
<DL>
<DD>Determine if the location of this shape is local or remote.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/geotools/data/shapefile/ShapefileDataStore.html#isLocal()">isLocal</A></CODE> in class <CODE><A HREF="../../../../../org/geotools/data/shapefile/ShapefileDataStore.html" title="class in org.geotools.data.shapefile">ShapefileDataStore</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true if local, false if remote</DL>
</DD>
</DL>
<HR>

<A NAME="getUnsupportedFilter(java.lang.String, org.geotools.filter.Filter)"><!-- --></A><H3>
getUnsupportedFilter</H3>
<PRE>
protected <A HREF="../../../../../org/geotools/filter/Filter.html" title="interface in org.geotools.filter">Filter</A> <B>getUnsupportedFilter</B>(<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;typeName,
                                      <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/AbstractDataStore.html" title="class in org.geotools.data">AbstractDataStore</A></CODE></B></DD>
<DD>GR: if a subclass supports filtering, it should override this method
 to return the unsupported part of the passed filter, so a
 FilteringFeatureReader will be constructed upon it. Otherwise it will
 just return the same filter.
 <p>
 If the complete filter is supported, the subclass must return <code>Filter.NONE</code>
 </p>
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/geotools/data/AbstractDataStore.html#getUnsupportedFilter(java.lang.String, org.geotools.filter.Filter)">getUnsupportedFilter</A></CODE> in class <CODE><A HREF="../../../../../org/geotools/data/AbstractDataStore.html" title="class in org.geotools.data">AbstractDataStore</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getFeatureWriterAppend(java.lang.String, org.geotools.data.Transaction)"><!-- --></A><H3>
getFeatureWriterAppend</H3>
<PRE>
public <A HREF="../../../../../org/geotools/data/FeatureWriter.html" title="interface in org.geotools.data">FeatureWriter</A> <B>getFeatureWriterAppend</B>(<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;typeName,
                                            <A HREF="../../../../../org/geotools/data/Transaction.html" title="interface in org.geotools.data">Transaction</A>&nbsp;transaction)
                                     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/DataStore.html" title="interface in org.geotools.data">DataStore</A></CODE></B></DD>
<DD>Aquire a FeatureWriter for adding new content to a FeatureType.

 <p>
 This FeatureWriter will return <code>false</code> for hasNext(), however
 next() may be used to aquire new Features that may be writen out to add
 new content.
 </p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/geotools/data/DataStore.html#getFeatureWriterAppend(java.lang.String, org.geotools.data.Transaction)">getFeatureWriterAppend</A></CODE> in interface <CODE><A HREF="../../../../../org/geotools/data/DataStore.html" title="interface in org.geotools.data">DataStore</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/geotools/data/AbstractDataStore.html#getFeatureWriterAppend(java.lang.String, org.geotools.data.Transaction)">getFeatureWriterAppend</A></CODE> in class <CODE><A HREF="../../../../../org/geotools/data/AbstractDataStore.html" title="class in org.geotools.data">AbstractDataStore</A></CODE></DL>
</DD>
<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="getFeatureReader(java.lang.String, org.geotools.data.Query)"><!-- --></A><H3>
getFeatureReader</H3>
<PRE>
protected <A HREF="../../../../../org/geotools/data/FeatureReader.html" title="interface in org.geotools.data">FeatureReader</A> <B>getFeatureReader</B>(<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;typeName,
                                         <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>Use the spatial index if available and adds a small optimization: if no
 attributes are going to be read, don't uselessly open and read the dbf
 file.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/geotools/data/shapefile/ShapefileDataStore.html#getFeatureReader(java.lang.String, org.geotools.data.Query)">getFeatureReader</A></CODE> in class <CODE><A HREF="../../../../../org/geotools/data/shapefile/ShapefileDataStore.html" title="class in org.geotools.data.shapefile">ShapefileDataStore</A></CODE></DL>
</DD>
<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><DT><B>See Also:</B><DD><A HREF="../../../../../org/geotools/data/AbstractDataStore.html#getFeatureReader(java.lang.String, org.geotools.data.Query)"><CODE>AbstractDataStore.getFeatureReader(java.lang.String,
      org.geotools.data.Query)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="createFeatureReader(java.lang.String, org.geotools.data.shapefile.indexed.IndexedShapefileDataStore.Reader, org.geotools.feature.FeatureType)"><!-- --></A><H3>
createFeatureReader</H3>
<PRE>
protected <A HREF="../../../../../org/geotools/data/FeatureReader.html" title="interface in org.geotools.data">FeatureReader</A> <B>createFeatureReader</B>(<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;typeName,
                                            <A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.Reader.html" title="class in org.geotools.data.shapefile.indexed">IndexedShapefileDataStore.Reader</A>&nbsp;r,
                                            <A HREF="../../../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;readerSchema)
                                     throws <A HREF="../../../../../org/geotools/feature/SchemaException.html" title="class in org.geotools.feature">SchemaException</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></PRE>
<DL>
<DD>DOCUMENT ME!
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>typeName</CODE> - <DD><CODE>r</CODE> - <DD><CODE>readerSchema</CODE> - 
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/geotools/feature/SchemaException.html" title="class in org.geotools.feature">SchemaException</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></DL>
</DD>
</DL>
<HR>

<A NAME="getAttributesReader(boolean, boolean, org.geotools.filter.Filter)"><!-- --></A><H3>