db2datastore.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>Gets the table schema associated with this data store.
 
 <p>
 At some point this may change if multiple schemas are supported by a
 data store.
 </p>
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the schema name that will prefix table names.</DL>
</DD>
</DL>
<HR>

<A NAME="getFeatureSource(java.lang.String)"><!-- --></A><H3>
getFeatureSource</H3>
<PRE>
public <A HREF="../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A> <B>getFeatureSource</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)
                               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>Gets a DB2-specific feature source.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/DataStore.html#getFeatureSource(java.lang.String)">getFeatureSource</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/jdbc/JDBC1DataStore.html#getFeatureSource(java.lang.String)">getFeatureSource</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/jdbc/JDBC1DataStore.html" title="class in org.geotools.data.jdbc">JDBC1DataStore</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>typeName</CODE> - 
<DT><B>Returns:</B><DD>a DB2Feature Source, Store or Locking
<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> - if the feature source could not be created.<DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/data/DataStore.html#getFeatureSource(java.lang.String)"><CODE>DataStore.getFeatureSource(java.lang.String)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="executeQuery(org.geotools.data.jdbc.FeatureTypeInfo, java.lang.String, java.lang.String, org.geotools.data.Transaction, boolean)"><!-- --></A><H3>
executeQuery</H3>
<PRE>
protected <A HREF="../../../../org/geotools/data/jdbc/QueryData.html" title="class in org.geotools.data.jdbc">QueryData</A> <B>executeQuery</B>(<A HREF="../../../../org/geotools/data/jdbc/FeatureTypeInfo.html" title="class in org.geotools.data.jdbc">FeatureTypeInfo</A>&nbsp;featureTypeInfo,
                                 <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;sqlQuery,
                                 <A HREF="../../../../org/geotools/data/Transaction.html" title="interface in org.geotools.data">Transaction</A>&nbsp;transaction,
                                 boolean&nbsp;forWrite)
                          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>Overrides the method in JDBCDataStore because it includes
 PostGIS-specific handling to setAutoCommit(false) which causes problems
 for DB2 because the transaction is still uncommitted when the
 connection is closed.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/data/jdbc/JDBC1DataStore.html#executeQuery(org.geotools.data.jdbc.FeatureTypeInfo, java.lang.String, java.lang.String, org.geotools.data.Transaction, boolean)">executeQuery</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/jdbc/JDBC1DataStore.html" title="class in org.geotools.data.jdbc">JDBC1DataStore</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>featureTypeInfo</CODE> - <DD><CODE>tableName</CODE> - <DD><CODE>sqlQuery</CODE> - The SQL query to execute.<DD><CODE>transaction</CODE> - The Transaction is included here for handling
        transaction connections at a later stage.  It is not currently
        used.<DD><CODE>forWrite</CODE> - 
<DT><B>Returns:</B><DD>The QueryData object that contains the resources for the query.
<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>
<DD><CODE><A HREF="../../../../org/geotools/data/DataSourceException.html" title="class in org.geotools.data">DataSourceException</A></CODE> - If an error occurs performing the query.</DL>
</DD>
</DL>
<HR>

<A NAME="createFeatureWriter(org.geotools.data.FeatureReader, org.geotools.data.jdbc.QueryData)"><!-- --></A><H3>
createFeatureWriter</H3>
<PRE>
protected <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureWriter.html" title="class in org.geotools.data.jdbc">JDBCFeatureWriter</A> <B>createFeatureWriter</B>(<A HREF="../../../../org/geotools/data/FeatureReader.html" title="interface in org.geotools.data">FeatureReader</A>&nbsp;featureReader,
                                                <A HREF="../../../../org/geotools/data/jdbc/QueryData.html" title="class in org.geotools.data.jdbc">QueryData</A>&nbsp;queryData)
                                         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>Overrides the method in JDBCDataStore so that a DB2FeatureWriter is
 created.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/data/jdbc/JDBC1DataStore.html#createFeatureWriter(org.geotools.data.FeatureReader, org.geotools.data.jdbc.QueryData)">createFeatureWriter</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/jdbc/JDBC1DataStore.html" title="class in org.geotools.data.jdbc">JDBC1DataStore</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>featureReader</CODE> - <DD><CODE>queryData</CODE> - 
<DT><B>Returns:</B><DD>The DB2FeatureWriter
<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/jdbc/JDBC1DataStore.html#createFeatureWriter(org.geotools.data.FeatureReader, org.geotools.data.jdbc.QueryData)"><CODE>JDBC1DataStore.createFeatureWriter(org.geotools.data.FeatureReader,
      org.geotools.data.jdbc.QueryData)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getFeatureReader(org.geotools.feature.FeatureType, org.geotools.filter.Filter, org.geotools.data.Transaction)"><!-- --></A><H3>
getFeatureReader</H3>
<PRE>
public <A HREF="../../../../org/geotools/data/FeatureReader.html" title="interface in org.geotools.data">FeatureReader</A> <B>getFeatureReader</B>(<A HREF="../../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;requestType,
                                      <A HREF="../../../../org/geotools/filter/Filter.html" title="interface in org.geotools.filter">Filter</A>&nbsp;filter,
                                      <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>This is a public entry point to the DataStore.
 
 <p>
 We have given some though to changing this api to be based on query.
 </p>
 
 <p>
 Currently the is is the only way to retype your features to different
 name spaces.
 </p>
 (non-Javadoc)
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/data/jdbc/JDBC1DataStore.html#getFeatureReader(org.geotools.feature.FeatureType, org.geotools.filter.Filter, org.geotools.data.Transaction)">getFeatureReader</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/jdbc/JDBC1DataStore.html" title="class in org.geotools.data.jdbc">JDBC1DataStore</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><CODE>org.geotools.data.DataStore#getFeatureReader(org.geotools.feature.FeatureType,
      org.geotools.filter.Filter, org.geotools.data.Transaction)</CODE></DL>
</DD>
</DL>
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