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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.4.2_13) on Tue Jun 05 11:36:23 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>AbstractDataStore (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.data.AbstractDataStore class"><META NAME="keywords" CONTENT="LOGGER"><META NAME="keywords" CONTENT="listenerManager"><META NAME="keywords" CONTENT="isWriteable"><META NAME="keywords" CONTENT="createLockingManager()"><META NAME="keywords" CONTENT="createMetadata()"><META NAME="keywords" CONTENT="getTypeNames()"><META NAME="keywords" CONTENT="getSchema()"><META NAME="keywords" CONTENT="getFeatureReader()"><META NAME="keywords" CONTENT="getFeatureWriter()"><META NAME="keywords" CONTENT="createFeatureWriter()"><META NAME="keywords" CONTENT="createSchema()"><META NAME="keywords" CONTENT="updateSchema()"><META NAME="keywords" CONTENT="getView()"><META NAME="keywords" CONTENT="getFeatureSource()"><META NAME="keywords" CONTENT="getUnsupportedFilter()"><META NAME="keywords" CONTENT="getFeatureWriterAppend()"><META NAME="keywords" CONTENT="getLockingManager()"><META NAME="keywords" CONTENT="getBounds()"><META NAME="keywords" CONTENT="getCount()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="AbstractDataStore (Geotools 2.3.x 2.3.2 API)";}</SCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/AbstractDataStore.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../org/geotools/data/AbstractAttributeIO.html" title="class in org.geotools.data"><B>PREV CLASS</B></A> <A HREF="../../../org/geotools/data/AbstractDataStoreFactory.html" title="class in org.geotools.data"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="AbstractDataStore.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.geotools.data</FONT><BR>Class AbstractDataStore</H2><PRE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by"><B>AbstractDataStore</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../org/geotools/data/DataStore.html" title="interface in org.geotools.data">DataStore</A></DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../org/geotools/data/AbstractFileDataStore.html" title="class in org.geotools.data">AbstractFileDataStore</A>, <A HREF="../../../org/geotools/arcsde/data/ArcSDEDataStore.html" title="class in org.geotools.arcsde.data">ArcSDEDataStore</A>, <A HREF="../../../org/geotools/data/collection/CollectionDataStore.html" title="class in org.geotools.data.collection">CollectionDataStore</A>, <A HREF="../../../org/geotools/data/gml/FileGMLDataStore.html" title="class in org.geotools.data.gml">FileGMLDataStore</A>, <A HREF="../../../org/geotools/data/gml/GMLDataStore.html" title="class in org.geotools.data.gml">GMLDataStore</A>, <A HREF="../../../org/geotools/data/memory/MemoryDataStore.html" title="class in org.geotools.data.memory">MemoryDataStore</A>, <A HREF="../../../org/geotools/data/mif/MIFDataStore.html" title="class in org.geotools.data.mif">MIFDataStore</A>, <A HREF="../../../org/geotools/data/property/PropertyDataStore.html" title="class in org.geotools.data.property">PropertyDataStore</A>, <A HREF="../../../org/geotools/data/tiger/TigerDataStore.html" title="class in org.geotools.data.tiger">TigerDataStore</A>, <A HREF="../../../org/geotools/data/vpf/file/VPFFileStore.html" title="class in org.geotools.data.vpf.file">VPFFileStore</A>, <A HREF="../../../org/geotools/data/vpf/VPFLibrary.html" title="class in org.geotools.data.vpf">VPFLibrary</A>, <A HREF="../../../org/geotools/data/wfs/WFSDataStore.html" title="class in org.geotools.data.wfs">WFSDataStore</A></DD></DL><HR><DL><DT>public abstract class <B>AbstractDataStore</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../org/geotools/data/DataStore.html" title="interface in org.geotools.data">DataStore</A></DL><P>Represents a stating point for implementing your own DataStore. <p> The goal is to have this class provide <b>everything</b> else if you can only provide: </p> <ul> <li> String[] getFeatureTypes() </li> <li> FeatureType getSchema(String typeName) </li> <li> FeatureReader getFeatureReader( typeName ) </li> <li> FeatureWriter getFeatureWriter( typeName ) </li> </ul> and optionally this protected methods to allow custom query optimizations: <ul> <li> Filter getUnsupportedFilter(String typeName, Filter filter) </li> <li> FeatureReader getFeatureReader(String typeName, Query query) </li> </ul> <p> All remaining functionality is implemented against these methods, including Transaction and Locking Support. These implementations will not be optimal but they will work. </p> <p> Pleae note that there may be a better place for you to start out from, (like JDBCDataStore). </p><P><P><DL><DT><B>Author:</B></DT> <DD>jgarnett</DD><DT><B>Module:</B></DT><DD><CODE><B>module/main</B></CODE> (<A HREF="http://maven.geotools.fr/repository/org/geotools/gt2-main/"><CODE>gt2-main.jar</CODE></A>) (<A HREF="http://maven.geotools.fr/reports/main/index.html">Maven report</A>) (<A HREF="http://svn.geotools.org/geotools/tags/2.3.2/module/main/src/org/geotools/data/AbstractDataStore.java">SVN head</A>)</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/data/AbstractDataStore.html#isWriteable">isWriteable</A></B></CODE><BR> Flags AbstractDataStore to allow Modification. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../org/geotools/data/FeatureListenerManager.html" title="class in org.geotools.data">FeatureListenerManager</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/data/AbstractDataStore.html#listenerManager">listenerManager</A></B></CODE><BR> Manages listener lists for FeatureSource implementation</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/logging/Logger.html" title="class or interface in java.util.logging">Logger</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/data/AbstractDataStore.html#LOGGER">LOGGER</A></B></CODE><BR> The logger for the filter module.</TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../org/geotools/data/AbstractDataStore.html#AbstractDataStore()">AbstractDataStore</A></B>()</CODE><BR> Default (Writeable) DataStore</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../org/geotools/data/AbstractDataStore.html#AbstractDataStore(boolean)">AbstractDataStore</A></B>(boolean isWriteable)</CODE><BR> AbstractDataStore creation.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <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/AbstractDataStore.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> typeName, <A HREF="../../../org/geotools/data/Transaction.html" title="interface in org.geotools.data">Transaction</A> transaction)</CODE>⌨️ 快捷键说明
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