Java Doc for OracleFeatureWriter.java in  » GIS » GeoTools-2.4.1 » org » geotools » data » oracle » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » GeoTools 2.4.1 » org.geotools.data.oracle 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.geotools.data.jdbc.JDBCTextFeatureWriter
   org.geotools.data.oracle.OracleFeatureWriter

OracleFeatureWriter
public class OracleFeatureWriter extends JDBCTextFeatureWriter (Code)
Subclasses JDBCTextFeatureWriter to issue Oracle transactions directly as sql text statements. The super class takes care of all the nasty details, this just returns the encoded geometry. To get some speed increases Jody maintains that this class should not be used, that the updatable result sets of JDBCFeatureWriter will work better. But I couldn't get those to work at all, whereas this works great for me. We could also consider putting the option for this or jdbc in the factory for OracleDataStore. Should also consider using prepared statements for inserts, as they should work faster - this should probably be done in the superclass.
author:
   Chris Holmes, TOPP
version:
   $Id: OracleFeatureWriter.java 27862 2007-11-12 19:51:19Z desruisseaux $


Field Summary
 GeometryConverterconverter
    

Constructor Summary
public  OracleFeatureWriter(FeatureReader fReader, QueryData queryData)
    

Method Summary
protected  voiddoInsert(MutableFIDFeature current)
     Override that uses sql prepaired statements to perform the operation.
protected  voiddoUpdate(Feature live, Feature current)
     Override that uses sql statements to perform the operation.
protected  StringgetGeometryInsertText(Geometry geom, int srid)
    

Field Detail
converter
GeometryConverter converter(Code)




Constructor Detail
OracleFeatureWriter
public OracleFeatureWriter(FeatureReader fReader, QueryData queryData) throws IOException(Code)




Method Detail
doInsert
protected void doInsert(MutableFIDFeature current) throws IOException, SQLException(Code)
Override that uses sql prepaired statements to perform the operation.
See Also:   org.geotools.data.jdbc.JDBCFeatureWriter.doInsert(org.geotools.data.jdbc.MutableFIDFeature)



doUpdate
protected void doUpdate(Feature live, Feature current) throws IOException, SQLException(Code)
Override that uses sql statements to perform the operation.
See Also:   org.geotools.data.jdbc.JDBCFeatureWriter.doUpdate(org.geotools.feature.Featureorg.geotools.feature.Feature)



getGeometryInsertText
protected String getGeometryInsertText(Geometry geom, int srid) throws IOException(Code)



Fields inherited from org.geotools.data.jdbc.JDBCTextFeatureWriter
protected FIDMapper mapper(Code)(Java Doc)

Methods inherited from org.geotools.data.jdbc.JDBCTextFeatureWriter
protected String addQuotes(Object value)(Code)(Java Doc)
protected void doInsert(MutableFIDFeature current) throws IOException, SQLException(Code)(Java Doc)
protected void doUpdate(Feature live, Feature current) throws IOException, SQLException(Code)(Java Doc)
protected String encodeColumnName(String colName)(Code)(Java Doc)
protected String encodeName(String tableName)(Code)(Java Doc)
abstract protected String getGeometryInsertText(Geometry geom, int srid) throws IOException(Code)(Java Doc)
protected String makeDeleteSql(Feature feature) throws IOException(Code)(Java Doc)
protected String makeInsertSql(Feature feature) throws IOException(Code)(Java Doc)
protected String makeSelectForUpdateSql(Feature current)(Code)(Java Doc)
protected String makeUpdateSql(Feature live, Feature current) throws IOException(Code)(Java Doc)
public void remove() throws IOException(Code)(Java Doc)
protected boolean useQueryDataForInsert()(Code)(Java Doc)

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