org.apache.spark.sql.geosparksql.expressions.Predicates.scala Maven / Gradle / Ivy
/**
* FILE: Predicates
* PATH: org.apache.spark.sql.geosparksql.expressions.Predicates
* Copyright (c) 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.apache.spark.sql.geosparksql.expressions
import org.apache.spark.sql.catalyst.InternalRow
import org.apache.spark.sql.catalyst.expressions.Expression
import org.apache.spark.sql.catalyst.expressions.codegen.CodegenFallback
import org.apache.spark.sql.catalyst.util.ArrayData
import org.apache.spark.sql.types.BooleanType
import org.datasyslab.geosparksql.utils.GeometrySerializer
/**
* Test if leftGeometry full contains rightGeometry
* @param inputExpressions
*/
case class ST_Contains(inputExpressions: Seq[Expression])
extends Expression with CodegenFallback{
// This is a binary expression
assert(inputExpressions.length == 2)
override def nullable: Boolean = false
override def toString: String = s" **${ST_Contains.getClass.getName}** "
override def children: Seq[Expression] = inputExpressions
override def eval(inputRow: InternalRow): Any = {
val leftArray = inputExpressions(0).eval(inputRow).asInstanceOf[ArrayData]
val rightArray = inputExpressions(1).eval(inputRow).asInstanceOf[ArrayData]
val leftGeometry = GeometrySerializer.deserialize(leftArray)
val rightGeometry = GeometrySerializer.deserialize(rightArray)
return leftGeometry.covers(rightGeometry)
}
override def dataType = BooleanType
}
/**
* Test if leftGeometry full intersects rightGeometry
* @param inputExpressions
*/
case class ST_Intersects(inputExpressions: Seq[Expression])
extends Expression with CodegenFallback{
override def nullable: Boolean = false
// This is a binary expression
assert(inputExpressions.length == 2)
override def toString: String = s" **${ST_Intersects.getClass.getName}** "
override def children: Seq[Expression] = inputExpressions
override def eval(inputRow: InternalRow): Any = {
val leftArray = inputExpressions(0).eval(inputRow).asInstanceOf[ArrayData]
val rightArray = inputExpressions(1).eval(inputRow).asInstanceOf[ArrayData]
val leftGeometry = GeometrySerializer.deserialize(leftArray)
val rightGeometry = GeometrySerializer.deserialize(rightArray)
return leftGeometry.intersects(rightGeometry)
}
override def dataType = BooleanType
}
/**
* Test if leftGeometry is full within rightGeometry
* @param inputExpressions
*/
case class ST_Within(inputExpressions: Seq[Expression])
extends Expression with CodegenFallback{
override def nullable: Boolean = false
// This is a binary expression
assert(inputExpressions.length == 2)
override def toString: String = s" **${ST_Intersects.getClass.getName}** "
override def children: Seq[Expression] = inputExpressions
override def eval(inputRow: InternalRow): Any = {
val leftArray = inputExpressions(0).eval(inputRow).asInstanceOf[ArrayData]
val rightArray = inputExpressions(1).eval(inputRow).asInstanceOf[ArrayData]
val leftGeometry = GeometrySerializer.deserialize(leftArray)
val rightGeometry = GeometrySerializer.deserialize(rightArray)
return leftGeometry.coveredBy(rightGeometry)
}
override def dataType = BooleanType
}