/**
* Copyright 2012 Impetus Infotech.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.impetus.client.mongodb.query.gis;
import com.impetus.kundera.gis.geometry.Circle;
import com.impetus.kundera.gis.geometry.Envelope;
import com.impetus.kundera.gis.geometry.Polygon;
import com.impetus.kundera.gis.geometry.Triangle;
import com.impetus.kundera.gis.query.GeospatialQuery;
import com.impetus.kundera.query.QueryHandlerException;
/**
* Factory for {@link GeospatialQuery}
*
* @author amresh.singh
*/
public class GeospatialQueryFactory
{
public static GeospatialQuery getGeospatialQueryImplementor(String operator, Object shape)
{
if (operator.equalsIgnoreCase("in"))
{
if (shape.getClass().isAssignableFrom(Circle.class))
{
return new CircleQueryImpl();
}
else if (shape.getClass().isAssignableFrom(Envelope.class))
{
return new EnvelopeQueryImpl();
}
else if (shape.getClass().isAssignableFrom(Triangle.class))
{
return new TriangleQueryImpl();
}
else if (shape.getClass().isAssignableFrom(Polygon.class))
{
return new PolygonQueryImpl();
}
else
{
throw new QueryHandlerException("Shape " + shape.getClass() + " is not supported"
+ " in JPA queries for operator " + operator + " in Kundera currently");
}
}
else if (operator.equals(">") || operator.equals(">=") || operator.equals("<") || operator.equals("<="))
{
return new NearQueryImpl();
}
else
{
throw new QueryHandlerException("Shape " + shape.getClass() + " is not supported"
+ " in JPA queries for operator " + operator + " in Kundera currently");
}
}
}