org.datasyslab.geosparksql.utils.GeometrySerializer.scala Maven / Gradle / Ivy
/*
* FILE: GeometrySerializer.scala
* Copyright (c) 2015 - 2018 GeoSpark Development Team
*
* MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
package org.datasyslab.geosparksql.utils
import java.io.{ByteArrayInputStream, ByteArrayOutputStream}
import com.esotericsoftware.kryo.Kryo
import com.esotericsoftware.kryo.io.{Input, Output}
import com.vividsolutions.jts.geom.Geometry
import org.apache.spark.sql.catalyst.util.ArrayData
import org.datasyslab.geospark.geometryObjects.GeometrySerde
// This is a wrapper of GeoSpark core kryo serializer
object GeometrySerializer {
def serialize(geometry: Geometry): Array[Byte] = {
val out = new ByteArrayOutputStream()
val kryo = new Kryo()
val geometrySerde = new GeometrySerde()
val output = new Output(out)
geometrySerde.write(kryo, output, geometry)
output.close()
return out.toByteArray
}
def deserialize(values: ArrayData): Geometry = {
val in = new ByteArrayInputStream(values.toByteArray())
val kryo = new Kryo()
val geometrySerde = new GeometrySerde()
val input = new Input(in)
val geometry = geometrySerde.read(kryo, input, classOf[Geometry])
input.close()
return geometry.asInstanceOf[Geometry]
}
}