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


org.geotools.data.jdbc.JDBCFeatureStore
   org.geotools.data.postgis.PostgisFeatureStore

All known Subclasses:   org.geotools.data.postgis.PostgisFeatureLocking,
PostgisFeatureStore
public class PostgisFeatureStore extends JDBCFeatureStore (Code)
Implementation of a Postgis specific FeatureStore.

This mostly just rips off code from PostgisDataSource It could definitely use some nice code reuse with PostgisDataStore, as they have a number of similar if not identical methods right now.

Approaching deadlines, however, mean that we're sticking with the code that works, instead of getting all kinds of nice reuse. This'll hopefully change. This bypasses the writers used in JDBCFeatureStore, as I'm just not yet confident in them. We also should do some solid tests to see which is actually faster.
author:
   Chris Holmes, TOPP
version:
   $Id: PostgisFeatureStore.java 29383 2008-02-19 16:39:16Z aaime $



Field Summary
final protected static  StringCONN_ERROR
    
protected  SQLEncoderPostgisencoder
    
protected  FIDMapperfidMapper
    
protected static  GeometryFactorygeometryFactory
     Factory for producing geometries (from JTS).
protected static  WKTReadergeometryReader
     Well Known Text reader (from JTS).
protected static  WKTWritergeometryWriter
     Well Known Text writer (from JTS).
protected  PostgisSQLBuildersqlBuilder
    
protected  StringtableName
    

Constructor Summary
public  PostgisFeatureStore(PostgisDataStore postgisDataStore, FeatureType featureType)
    

Method Summary
protected  ReferencedEnvelopebounds(Query query)
    
public  EnvelopegetBounds()
    
public  EnvelopegetBounds(Query query)
     Retrieve Bounds of Query results.
protected  EnvelopegetEnvelope(Connection conn, String geomName, SQLBuilder sqlBuilder, Filter filter)
    
protected  PostgisDataStoregetPostgisDataStore()
     Performs the setFeautres operation by removing all and then adding the full collection.
protected  intgetSRID(String geomName)
    
public  StringmakeSql(SQLUnpacker unpacker, Query query)
     Creates a SQL statement for the PostGIS database.
public  StringmakeSql(Query query)
     Creates a SQL statement for the PostGIS database.
public  voidmodifyFeatures(AttributeType[] type, Object[] value, Filter filter)
     Modifies the passed attribute types with the passed objects in all features that correspond to the passed OGS filter.
public  voidmodifyFeatures(AttributeType type, Object value, Filter filter)
     Modifies the passed attribute types with the passed objects in all features that correspond to the passed OGS filter.
public  voidremoveFeatures(Filter filter)
     Removes the features specified by the passed filter from the PostGIS database.

Field Detail
CONN_ERROR
final protected static String CONN_ERROR(Code)
Error message prefix for sql connection errors



encoder
protected SQLEncoderPostgis encoder(Code)



fidMapper
protected FIDMapper fidMapper(Code)
the name of the column to use for the featureId



geometryFactory
protected static GeometryFactory geometryFactory(Code)
Factory for producing geometries (from JTS).



geometryReader
protected static WKTReader geometryReader(Code)
Well Known Text reader (from JTS).



geometryWriter
protected static WKTWriter geometryWriter(Code)
Well Known Text writer (from JTS).



sqlBuilder
protected PostgisSQLBuilder sqlBuilder(Code)
To create the sql where statement



tableName
protected String tableName(Code)




Constructor Detail
PostgisFeatureStore
public PostgisFeatureStore(PostgisDataStore postgisDataStore, FeatureType featureType) throws IOException(Code)




Method Detail
bounds
protected ReferencedEnvelope bounds(Query query) throws IOException(Code)



getBounds
public Envelope getBounds() throws IOException(Code)



getBounds
public Envelope getBounds(Query query) throws IOException(Code)
Retrieve Bounds of Query results.

Currently returns null, consider getFeatures( query ).getBounds() instead.

Subclasses may override this method to perform the appropriate optimization for this result.


Parameters:
  query - Query we are requesting the bounds of null representing the lack of an optimization
throws:
  IOException - DOCUMENT ME!



getEnvelope
protected Envelope getEnvelope(Connection conn, String geomName, SQLBuilder sqlBuilder, Filter filter) throws SQLException, SQLEncoderException, IOException, ParseException(Code)



getPostgisDataStore
protected PostgisDataStore getPostgisDataStore()(Code)
Performs the setFeautres operation by removing all and then adding the full collection. This is not efficient, the add, modify and remove operations should be used instead, this is just to follow the interface. DOCUMENT ME!



getSRID
protected int getSRID(String geomName) throws IOException(Code)



makeSql
public String makeSql(SQLUnpacker unpacker, Query query) throws IOException(Code)
Creates a SQL statement for the PostGIS database.
Parameters:
  unpacker - the object to get the encodable filter.
Parameters:
  query - the getFeature query - for the tableName, properties andmaxFeatures.
throws:
  IOException - if there are problems encoding the sql.



makeSql
public String makeSql(Query query) throws IOException(Code)
Creates a SQL statement for the PostGIS database. Full SQL statement.
throws:
  IOException - if there are problems encoding the sql.



modifyFeatures
public void modifyFeatures(AttributeType[] type, Object[] value, Filter filter) throws IOException(Code)
Modifies the passed attribute types with the passed objects in all features that correspond to the passed OGS filter.
Parameters:
  type - The attributes to modify.
Parameters:
  value - The values to put in the attribute types.
Parameters:
  filter - An OGC filter to note which attributes to modify.
throws:
  IOException - If modificaton is not supported, if the attributeand object arrays are not eqaul length, or if the object typesdo not match the attribute types.
throws:
  DataSourceException - DOCUMENT ME!



modifyFeatures
public void modifyFeatures(AttributeType type, Object value, Filter filter) throws IOException(Code)
Modifies the passed attribute types with the passed objects in all features that correspond to the passed OGS filter. A convenience method for single attribute modifications.
Parameters:
  type - The attributes to modify.
Parameters:
  value - The values to put in the attribute types.
Parameters:
  filter - An OGC filter to note which attributes to modify.
throws:
  IOException - If modificaton is not supported, if the object typedo not match the attribute type.



removeFeatures
public void removeFeatures(Filter filter) throws IOException(Code)
Removes the features specified by the passed filter from the PostGIS database.
Parameters:
  filter - An OpenGIS filter; specifies which features to remove.
throws:
  IOException - If anything goes wrong or if deleting is notsupported.
throws:
  DataSourceException - DOCUMENT ME!



Fields inherited from org.geotools.data.jdbc.JDBCFeatureStore
protected Transaction transaction(Code)(Java Doc)

Methods inherited from org.geotools.data.jdbc.JDBCFeatureStore
public Set addFeatures(FeatureReader reader) throws IOException(Code)(Java Doc)
public Set addFeatures(FeatureCollection collection) throws IOException(Code)(Java Doc)
protected void assertFids(Set fids) throws FeatureLockException(Code)(Java Doc)
protected void assertFilter(Filter filter) throws IOException(Code)(Java Doc)
protected Set fids(Filter filter) throws NoSuchElementException, IOException, IllegalAttributeException(Code)(Java Doc)
protected InProcessLockingManager getInProcessLockingManager()(Code)(Java Doc)
public Transaction getTransaction()(Code)(Java Doc)
public void modifyFeatures(AttributeType type, Object value, Filter filter) throws IOException(Code)(Java Doc)
public void modifyFeatures(AttributeType[] type, Object[] value, Filter filter) throws IOException(Code)(Java Doc)
protected void modifyFeatures(AttributeType[] type, Object[] value, FeatureWriter writer) throws DataSourceException, IOException(Code)(Java Doc)
public void removeFeatures(Filter filter) throws IOException(Code)(Java Doc)
public void setFeatures(FeatureReader reader) throws IOException(Code)(Java Doc)
public void setTransaction(Transaction transaction)(Code)(Java Doc)

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