postgisdatastore.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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<DD>Current optimize mode
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<A NAME="WKBEnabled"><!-- --></A><H3>
WKBEnabled</H3>
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protected boolean <B>WKBEnabled</B></PRE>
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<DD>If true, WKB format is used instead of WKT
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<A NAME="byteaEnabled"><!-- --></A><H3>
byteaEnabled</H3>
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protected boolean <B>byteaEnabled</B></PRE>
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<DD>If true, the bytea function will be used to optimize even further data
 loading when using WKB format
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<A NAME="byteaWKB"><!-- --></A><H3>
byteaWKB</H3>
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protected boolean <B>byteaWKB</B></PRE>
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<DD>postgis 1.0 changed the way WKB is handled, this needs to be
  set if version >1.
  (it affects the way you send WKB to the database)
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<A NAME="looseBbox"><!-- --></A><H3>
looseBbox</H3>
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protected boolean <B>looseBbox</B></PRE>
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<DD>If true then the bounding box filters will use the && postgis operator,
 which uses the spatial index and performs against the envelope of the
 geom, leading to greater speed and slightly less accuracy.
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<A NAME="estimatedExtent"><!-- --></A><H3>
estimatedExtent</H3>
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protected boolean <B>estimatedExtent</B></PRE>
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<DD>set to true if the bounds for a table should be computed using the  
 estimated_extent' function, but beware that this function is less accurate
 and in some cases *far* less accurate if the data within the actual bounds
 does not follow a uniform distribution.
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<A NAME="schemaEnabled"><!-- --></A><H3>
schemaEnabled</H3>
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protected boolean <B>schemaEnabled</B></PRE>
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<DD>Flag indicating whether schema support
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<A NAME="PostgisDataStore(org.geotools.data.jdbc.ConnectionPool)"><!-- --></A><H3>
PostgisDataStore</H3>
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protected <B>PostgisDataStore</B>(<A HREF="../../../../org/geotools/data/jdbc/ConnectionPool.html" title="class in org.geotools.data.jdbc">ConnectionPool</A>&nbsp;connPool)
                    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>
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<A NAME="PostgisDataStore(org.geotools.data.jdbc.ConnectionPool, java.lang.String)"><!-- --></A><H3>
PostgisDataStore</H3>
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protected <B>PostgisDataStore</B>(<A HREF="../../../../org/geotools/data/jdbc/ConnectionPool.html" title="class in org.geotools.data.jdbc">ConnectionPool</A>&nbsp;connPool,
                           <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;namespace)
                    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>
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<A NAME="PostgisDataStore(org.geotools.data.jdbc.ConnectionPool, java.lang.String, java.lang.String)"><!-- --></A><H3>
PostgisDataStore</H3>
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protected <B>PostgisDataStore</B>(<A HREF="../../../../org/geotools/data/jdbc/ConnectionPool.html" title="class in org.geotools.data.jdbc">ConnectionPool</A>&nbsp;connPool,
                           <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;schema,
                           <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;namespace)
                    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>
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<A NAME="PostgisDataStore(org.geotools.data.jdbc.ConnectionPool, java.lang.String, java.lang.String, int)"><!-- --></A><H3>
PostgisDataStore</H3>
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protected <B>PostgisDataStore</B>(<A HREF="../../../../org/geotools/data/jdbc/ConnectionPool.html" title="class in org.geotools.data.jdbc">ConnectionPool</A>&nbsp;connPool,
                           <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;schema,
                           <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;namespace,
                           int&nbsp;optimizeMode)
                    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>
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<A NAME="PostgisDataStore(org.geotools.data.jdbc.ConnectionPool, org.geotools.data.jdbc.JDBCDataStoreConfig, int)"><!-- --></A><H3>
PostgisDataStore</H3>
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public <B>PostgisDataStore</B>(<A HREF="../../../../org/geotools/data/jdbc/ConnectionPool.html" title="class in org.geotools.data.jdbc">ConnectionPool</A>&nbsp;connectionPool,
                        <A HREF="../../../../org/geotools/data/jdbc/JDBCDataStoreConfig.html" title="class in org.geotools.data.jdbc">JDBCDataStoreConfig</A>&nbsp;config,
                        int&nbsp;optimizeMode)
                 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>
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<!-- ============ METHOD DETAIL ========== -->

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<A NAME="schema(java.lang.String)"><!-- --></A><H3>
schema</H3>
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protected static <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>schema</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;schema)</PRE>
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<DD>Simple helper method to ensure that a schema is always set.
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<A NAME="createLockingManager()"><!-- --></A><H3>
createLockingManager</H3>
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protected <A HREF="../../../../org/geotools/data/LockingManager.html" title="interface in org.geotools.data">LockingManager</A> <B>createLockingManager</B>()</PRE>
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<DD>Allows subclass to create LockingManager to support their needs.
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<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/data/jdbc/JDBC1DataStore.html#createLockingManager()">createLockingManager</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/jdbc/JDBC1DataStore.html" title="class in org.geotools.data.jdbc">JDBC1DataStore</A></CODE></DL>
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<A NAME="createSQLBuilder()"><!-- --></A><H3>
createSQLBuilder</H3>
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protected <A HREF="../../../../org/geotools/data/postgis/PostgisSQLBuilder.html" title="class in org.geotools.data.postgis">PostgisSQLBuilder</A> <B>createSQLBuilder</B>()</PRE>
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<DD>Creates a new sql builder for encoding raw sql statements;
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<A NAME="guessDataStoreOptions()"><!-- --></A><H3>
guessDataStoreOptions</H3>
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protected void <B>guessDataStoreOptions</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>
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<DD>Attempts to figure out some optimization options, based on some postgis
 metadata.  If the version is later than 0.7.2 then bytea will be used
 to read geometries if WKB is enabled.  And it will read if GEOS is
 enabled from the version string as well.
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<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/jav