Package org.hortonmachine.gears.io.dbs

Class DbsHelper

java.lang.Object

org.hortonmachine.gears.io.dbs.DbsHelper

public class DbsHelper
extends Object

Database spatial helper methods.

Author:

Andrea Antonello (www.hydrologis.com)

Constructor Summary

Constructors

Constructor	Description
DbsHelper()

Method Summary

Modifier and Type	Method	Description
static org.geotools.feature.DefaultFeatureCollection	runRawSqlToFeatureCollection(String name, ASpatialDb db, String simpleSql, org.locationtech.jts.geom.Polygon roi)	Extractes a featurecollection from an sql statement.

Methods inherited from class java.lang.Object

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

Constructor Detail

DbsHelper

public DbsHelper()

Method Detail

runRawSqlToFeatureCollection

public static org.geotools.feature.DefaultFeatureCollection runRawSqlToFeatureCollection(String name,
                                                                                         ASpatialDb db,
                                                                                         String simpleSql,
                                                                                         org.locationtech.jts.geom.Polygon roi)
                                                                                  throws Exception

Extractes a featurecollection from an sql statement.

The assumption is made that the first string after the FROM keyword in the select statement is the table that contains the geometry.

Parameters:

name - the name of the resulting layer.

db -

simpleSql - the sql.

roi - an optional region to limit the query to.

Returns:

the features.

Throws:

Exception