content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.asterix.geo.evaluators.functions;
  
  import java.io.ByteArrayInputStream;
  import java.io.DataInputStream;
  import java.io.DataOutput;
  import java.io.IOException;
  
  import org.apache.asterix.dataflow.data.nontagged.serde.AGeometrySerializerDeserializer;
  import org.apache.asterix.dataflow.data.nontagged.serde.AStringSerializerDeserializer;
  import org.apache.asterix.formats.nontagged.SerializerDeserializerProvider;
  import org.apache.asterix.om.base.ABoolean;
  import org.apache.asterix.om.functions.BuiltinFunctions;
  import org.apache.asterix.om.functions.IFunctionDescriptorFactory;
  import org.apache.asterix.om.types.ATypeTag;
  import org.apache.asterix.om.types.BuiltinType;
  import org.apache.asterix.om.types.EnumDeserializer;
  import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
  import org.apache.asterix.runtime.exceptions.InvalidDataFormatException;
  import org.apache.asterix.runtime.exceptions.TypeMismatchException;
  import org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
  import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator;
  import org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory;
  import org.apache.hyracks.api.context.IEvaluatorContext;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.data.std.api.IPointable;
  import org.apache.hyracks.data.std.primitive.VoidPointable;
  import org.apache.hyracks.data.std.util.ArrayBackedValueStorage;
  import org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
  import org.locationtech.jts.geom.Geometry;
  
  public class STRelateDescriptor extends AbstractScalarFunctionDynamicDescriptor {
  
      public static final IFunctionDescriptorFactory FACTORY = STRelateDescriptor::new;
  
      private static final long serialVersionUID = 1L;
  
      @Override
      public FunctionIdentifier getIdentifier() {
          return BuiltinFunctions.ST_RELATE;
      }
  
      @Override
      public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
          return new IScalarEvaluatorFactory() {
              private static final long serialVersionUID = 1L;
  
              @Override
              public IScalarEvaluator createScalarEvaluator(IEvaluatorContext ctx) throws HyracksDataException {
                  return new STRelateEvaluator(args, ctx);
              }
          };
      }
  
      private class STRelateEvaluator implements IScalarEvaluator {
          private ArrayBackedValueStorage resultStorage;
          private DataOutput out;
          private IPointable inputArg;
          private IScalarEvaluator eval;
          private IPointable inputArg0;
          private IScalarEvaluator eval0;
          private final IPointable inputArg1;
          private final IScalarEvaluator eval1;
  
          public STRelateEvaluator(IScalarEvaluatorFactory[] args, IEvaluatorContext ctx) throws HyracksDataException {
              resultStorage = new ArrayBackedValueStorage();
              out = resultStorage.getDataOutput();
              inputArg = new VoidPointable();
              eval = args[2].createScalarEvaluator(ctx);
              inputArg0 = new VoidPointable();
              eval0 = args[0].createScalarEvaluator(ctx);
              inputArg1 = new VoidPointable();
              eval1 = args[1].createScalarEvaluator(ctx);
          }
  
          @Override
          @SuppressWarnings("unchecked")
          public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
              eval.evaluate(tuple, inputArg);
              byte[] bytes = inputArg.getByteArray();
              int offset = inputArg.getStartOffset();
              int len = inputArg.getLength();
  
              eval0.evaluate(tuple, inputArg0);
              byte[] bytes0 = inputArg0.getByteArray();
              int offset0 = inputArg0.getStartOffset();
              int len0 = inputArg0.getLength();
  
              eval1.evaluate(tuple, inputArg1);
              byte[] bytes1 = inputArg1.getByteArray();
              int offset1 = inputArg1.getStartOffset();
              int len1 = inputArg1.getLength();
  
              if (bytes[offset] != ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
                  throw new TypeMismatchException(sourceLoc, getIdentifier(), 0, bytes[offset],
                          ATypeTag.SERIALIZED_STRING_TYPE_TAG);
              }
              ATypeTag tag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(bytes0[offset0]);
              if (tag != ATypeTag.GEOMETRY) {
                  throw new TypeMismatchException(sourceLoc, getIdentifier(), 0, bytes0[offset0],
                          ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
              }
              tag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(bytes1[offset1]);
              if (tag != ATypeTag.GEOMETRY) {
                  throw new TypeMismatchException(sourceLoc, getIdentifier(), 0, bytes1[offset1],
                          ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
              }
  
              ByteArrayInputStream inStream = new ByteArrayInputStream(bytes, offset + 1, len - 1);
              DataInputStream dataIn = new DataInputStream(inStream);
              String matrix = AStringSerializerDeserializer.INSTANCE.deserialize(dataIn).getStringValue();
              DataInputStream dataIn0 = new DataInputStream(new ByteArrayInputStream(bytes0, offset0 + 1, len0 - 1));
              Geometry geometry0 = AGeometrySerializerDeserializer.INSTANCE.deserialize(dataIn0).getGeometry();
              DataInputStream dataIn1 = new DataInputStream(new ByteArrayInputStream(bytes1, offset1 + 1, len1 - 1));
              Geometry geometry1 = AGeometrySerializerDeserializer.INSTANCE.deserialize(dataIn1).getGeometry();
              try {
                  boolean val = geometry0.relate(geometry1, matrix);
                  SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ABOOLEAN)
                          .serialize(val ? ABoolean.TRUE : ABoolean.FALSE, out);
              } catch (IOException e) {
                  throw new InvalidDataFormatException(sourceLoc, getIdentifier(), e,
                          ATypeTag.SERIALIZED_GEOMETRY_TYPE_TAG);
              }
              result.set(resultStorage);
          }
      }
  }
  