com.orientechnologies.spatial.functions.OSTBufferFunction Maven / Gradle / Ivy
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/**
* Copyright 2010-2016 OrientDB LTD (http://orientdb.com)
*
* 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.
*
*
For more information: http://www.orientdb.com
*/
package com.orientechnologies.spatial.functions;
import com.orientechnologies.orient.core.command.OCommandContext;
import com.orientechnologies.orient.core.db.record.OIdentifiable;
import com.orientechnologies.orient.core.sql.functions.OSQLFunctionAbstract;
import com.orientechnologies.spatial.shape.OShapeFactory;
import java.util.Map;
import org.locationtech.spatial4j.shape.Shape;
/** Created by Enrico Risa on 06/08/15. */
public class OSTBufferFunction extends OSQLFunctionAbstract {
public static final String NAME = "ST_Buffer";
private OShapeFactory factory = OShapeFactory.INSTANCE;
public OSTBufferFunction() {
super(NAME, 2, 3);
}
@Override
public Object execute(
Object iThis,
OIdentifiable iCurrentRecord,
Object iCurrentResult,
Object[] iParams,
OCommandContext iContext) {
Shape shape = factory.fromObject(iParams[0]);
Number distance = (Number) iParams[1];
Map params = null;
if (iParams.length > 2) {
params = (Map) iParams[2];
}
Shape buffer = factory.buffer(shape, distance.doubleValue(), params);
return factory.toDoc(buffer);
}
@Override
public String getSyntax() {
return "ST_AsBuffer()";
}
}