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

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<CODE>static&nbsp;byte</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#TREE_QIX">TREE_QIX</A></B></CODE>

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&nbsp;<A NAME="fields_inherited_from_class_ShapefileDataStore"><!-- --></A>
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<TD><B>Fields inherited from class <A HREF="../../../../../org/geotools/data/shapefile/ShapefileDataStore.html" title="class in org.geotools.data.shapefile">ShapefileDataStore</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/geotools/data/shapefile/ShapefileDataStore.html#dbfURL">dbfURL</A>, <A HREF="../../../../../org/geotools/data/shapefile/ShapefileDataStore.html#namespace">namespace</A>, <A HREF="../../../../../org/geotools/data/shapefile/ShapefileDataStore.html#prjURL">prjURL</A>, <A HREF="../../../../../org/geotools/data/shapefile/ShapefileDataStore.html#readWriteLock">readWriteLock</A>, <A HREF="../../../../../org/geotools/data/shapefile/ShapefileDataStore.html#schema">schema</A>, <A HREF="../../../../../org/geotools/data/shapefile/ShapefileDataStore.html#shpURL">shpURL</A>, <A HREF="../../../../../org/geotools/data/shapefile/ShapefileDataStore.html#shxURL">shxURL</A>, <A HREF="../../../../../org/geotools/data/shapefile/ShapefileDataStore.html#useMemoryMappedBuffer">useMemoryMappedBuffer</A>, <A HREF="../../../../../org/geotools/data/shapefile/ShapefileDataStore.html#xmlURL">xmlURL</A></CODE></TD>
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&nbsp;<A NAME="fields_inherited_from_class_AbstractDataStore"><!-- --></A>
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<TD><B>Fields inherited from class <A HREF="../../../../../org/geotools/data/AbstractDataStore.html" title="class in org.geotools.data">AbstractDataStore</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/geotools/data/AbstractDataStore.html#isWriteable">isWriteable</A>, <A HREF="../../../../../org/geotools/data/AbstractDataStore.html#listenerManager">listenerManager</A>, <A HREF="../../../../../org/geotools/data/AbstractDataStore.html#LOGGER">LOGGER</A></CODE></TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->

<A NAME="constructor_summary"><!-- --></A>
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<B>Constructor Summary</B></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#IndexedShapefileDataStore(java.net.URL)">IndexedShapefileDataStore</A></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)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new instance of ShapefileDataStore.</TD>
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<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#IndexedShapefileDataStore(java.net.URL, boolean)">IndexedShapefileDataStore</A></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)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new instance of ShapefileDataStore.</TD>
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<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#IndexedShapefileDataStore(java.net.URL, boolean, boolean)">IndexedShapefileDataStore</A></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)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new instance of ShapefileDataStore.</TD>
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<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#IndexedShapefileDataStore(java.net.URL, java.net.URI)">IndexedShapefileDataStore</A></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)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new instance of ShapefileDataStore.</TD>
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<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#IndexedShapefileDataStore(java.net.URL, java.net.URI, boolean)">IndexedShapefileDataStore</A></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)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new instance of ShapefileDataStore.</TD>
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<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#IndexedShapefileDataStore(java.net.URL, java.net.URI, boolean, boolean, byte)">IndexedShapefileDataStore</A></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)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new instance of ShapefileDataStore.</TD>
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<!-- ========== METHOD SUMMARY =========== -->

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<B>Method Summary</B></FONT></TD>
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<CODE>protected &nbsp;<A HREF="../../../../../org/geotools/data/FeatureReader.html" title="interface in org.geotools.data">FeatureReader</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#createFeatureReader(java.lang.String, org.geotools.data.shapefile.indexed.IndexedShapefileDataStore.Reader, org.geotools.feature.FeatureType)">createFeatureReader</A></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)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;DOCUMENT ME!</TD>
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<CODE>protected &nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#createFeatureTypeName()">createFeatureTypeName</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create the type name of the single FeatureType this DataStore represents.</TD>
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<CODE>protected &nbsp;<A HREF="../../../../../org/geotools/data/FeatureWriter.html" title="interface in org.geotools.data">FeatureWriter</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#createFeatureWriter(java.lang.String, org.geotools.data.Transaction)">createFeatureWriter</A></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)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a FeatureWriter for the given type name.</TD>
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<CODE>protected &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#finalize()">finalize</A></B>()</CODE>

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<CODE>protected &nbsp;<A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.Reader.html" title="class in org.geotools.data.shapefile.indexed">IndexedShapefileDataStore.Reader</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#getAttributesReader(boolean, boolean, org.geotools.filter.Filter)">getAttributesReader</A></B>(boolean&nbsp;readDbf,
                    boolean&nbsp;readGeometry,
                    <A HREF="../../../../../org/geotools/filter/Filter.html" title="interface in org.geotools.filter">Filter</A>&nbsp;filter)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the attribute reader, allowing for a pure shape reader, or a
 combined dbf/shp reader.</TD>
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<CODE>protected &nbsp;<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></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#getBounds(org.geotools.data.Query)">getBounds</A></B>(<A HREF="../../../../../org/geotools/data/Query.html" title="interface in org.geotools.data">Query</A>&nbsp;query)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Computes the bounds of the features for the specified feature type that
 satisfy the query provided that there is a fast way to get that result.
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<CODE>protected &nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#getCurrentTypeName()">getCurrentTypeName</A></B>()</CODE>

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<CODE>protected &nbsp;<A HREF="../../../../../org/geotools/data/FeatureReader.html" title="interface in org.geotools.data">FeatureReader</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#getFeatureReader(java.lang.String, org.geotools.data.Query)">getFeatureReader</A></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)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#getFeatureSource(java.lang.String)">getFeatureSource</A></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)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Default implementation based on getFeatureReader and getFeatureWriter.

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<CODE>&nbsp;<A HREF="../../../../../org/geotools/data/FeatureWriter.html" title="interface in org.geotools.data">FeatureWriter</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedShapefileDataStore.html#getFeatureWriterAppend(java.lang.String, org.geotools.data.Transaction)">getFeatureWriterAppend</A></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)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Aquire a FeatureWriter for adding new content to a FeatureType.

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<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/shapefile/indexed/IndexedShapefileDataStore.html#getSchema()">getSchema</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Singular version, returns the FeatureType for the url being read.</TD>
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