db2spatialcatalog.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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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get an instance of the DB2SpatialCatalog for the specified datastore.
 
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<CODE>static&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/db2/DB2SpatialCatalog.html#reset()">reset</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This method should only be called by DB2SpatialCatalogTest</TD>
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<CODE>&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/db2/DB2SpatialCatalog.html#toString()">toString</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the database URL and table schema.</TD>
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<A NAME="reset()"><!-- --></A><H3>
reset</H3>
<PRE>
public static void <B>reset</B>()</PRE>
<DL>
<DD>This method should only be called by DB2SpatialCatalogTest
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getInstance(java.lang.String, java.lang.String, java.sql.Connection)"><!-- --></A><H3>
getInstance</H3>
<PRE>
public static <A HREF="../../../../org/geotools/data/db2/DB2SpatialCatalog.html" title="class in org.geotools.data.db2">DB2SpatialCatalog</A> <B>getInstance</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;dbURL,
                                            <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;tableSchema,
                                            <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)
                                     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></PRE>
<DL>
<DD>Get an instance of the DB2SpatialCatalog for the specified datastore.
 
 <p>
 If it already exists, just return the current catalog for this database
 identified by the database connection URL and table schema.
 </p>
 
 <p>
 If it doesn't already exist and the connection parameter is null, return
 null.
 </p>
 
 <p>
 If not, read the DB2 Spatial Extender catalog tables and create an
 in-memory representation for efficient access.
 </p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dbURL</CODE> - the database URL<DD><CODE>tableSchema</CODE> - the table schema name<DD><CODE>conn</CODE> - an active database connection or null
<DT><B>Returns:</B><DD>a DB2SpatialCatalog.
<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> - if there was a failure to create a catalog.</DL>
</DD>
</DL>
<HR>

<A NAME="geomID(java.lang.String, java.lang.String, java.lang.String)"><!-- --></A><H3>
geomID</H3>
<PRE>
public 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>geomID</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;tableSchema,
                            <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;tableName,
                            <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;columnName)</PRE>
<DL>
<DD>A convenience method to nicely format the schema, table and column name.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>tableSchema</CODE> - <DD><CODE>tableName</CODE> - <DD><CODE>columnName</CODE> - 
<DT><B>Returns:</B><DD>a concatenated key value.</DL>
</DD>
</DL>
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<A NAME="toString()"><!-- --></A><H3>
toString</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>toString</B>()</PRE>
<DL>
<DD>Returns the database URL and table schema.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the database URL and table schema as a String.</DL>
</DD>
</DL>
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