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 org.apache.asterix.dataflow.data.nontagged.serde.ADoubleSerializerDeserializer;
  import org.apache.asterix.dataflow.data.nontagged.serde.AInt64SerializerDeserializer;
  import org.apache.asterix.om.types.ATypeTag;
  import org.apache.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
  import org.apache.asterix.runtime.exceptions.TypeMismatchException;
  
  public abstract class AbstractGetValDescriptor extends AbstractScalarFunctionDynamicDescriptor {
      private static final long serialVersionUID = 5267623277804669828L;
  
      public double getVal(byte[] bytes, int offset) throws TypeMismatchException {
          if (bytes[offset] == ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG) {
              return ADoubleSerializerDeserializer.getDouble(bytes, offset + 1);
          } else if (bytes[offset] == ATypeTag.SERIALIZED_INT64_TYPE_TAG) {
              return AInt64SerializerDeserializer.getLong(bytes, offset + 1);
          } else {
              throw new TypeMismatchException(sourceLoc, getIdentifier(), 1, bytes[offset],
                      ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG, ATypeTag.SERIALIZED_INT64_TYPE_TAG);
          }
      }
  
  }
  