org.deegree.feature.persistence.sql.rules
Class FeatureBuilderRelational

java.lang.Object
  org.deegree.feature.persistence.sql.rules.FeatureBuilderRelational

All Implemented Interfaces:

FeatureBuilder

public class FeatureBuilderRelational
extends Object
implements FeatureBuilder

Builds Feature instances from SQL result set rows (relational mode).

Version:

$Revision: 32160 $, $Date: 2011-10-19 00:04:00 +0200 (Wed, 19 Oct 2011) $

Author:

Markus Schneider, last edited by: $Author: mschneider $

Constructor Summary

FeatureBuilderRelational(SQLFeatureStore fs, FeatureType ft, FeatureTypeMapping ftMapping, Connection conn, String ftTableAlias)
Creates a new FeatureBuilderRelational instance.

Method Summary

Feature	buildFeature(ResultSet rs) Builds a Feature instance from the current row of the given ResultSet.
List<String>	getInitialSelectColumns() Returns the columns for the SELECT statement that is used to retrieve the ResultSet.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FeatureBuilderRelational

public FeatureBuilderRelational(SQLFeatureStore fs,
                                FeatureType ft,
                                FeatureTypeMapping ftMapping,
                                Connection conn,
                                String ftTableAlias)

Creates a new FeatureBuilderRelational instance.

Parameters:

fs - feature store, must not be null

ft - feature type, must not be null

ftMapping - feature type mapping, must not be null

conn - JDBC connection (used for performing subsequent SELECTs), must not be null

Method Detail

getInitialSelectColumns

public List<String> getInitialSelectColumns()

Description copied from interface: FeatureBuilder

Returns the columns for the SELECT statement that is used to retrieve the ResultSet.

Specified by:

getInitialSelectColumns in interface FeatureBuilder

Returns:

list of columns, never null

buildFeature

public Feature buildFeature(ResultSet rs)
                     throws SQLException

Description copied from interface: FeatureBuilder

Builds a Feature instance from the current row of the given ResultSet.

Specified by:

buildFeature in interface FeatureBuilder

Parameters:

rs - SQL result set, must not be null

Returns:

created Feature instance, never null

Throws:

SQLException