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.formats.nontagged;
  
  import org.apache.asterix.dataflow.data.nontagged.keynormalizers.AUUIDNormalizedKeyComputerFactory;
  import org.apache.asterix.dataflow.data.nontagged.keynormalizers.AWrappedAscNormalizedKeyComputerFactory;
  import org.apache.asterix.dataflow.data.nontagged.keynormalizers.AWrappedDescNormalizedKeyComputerFactory;
  import org.apache.asterix.om.types.IAType;
  import org.apache.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
  import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
  import org.apache.hyracks.dataflow.common.data.normalizers.ByteArrayNormalizedKeyComputerFactory;
  import org.apache.hyracks.dataflow.common.data.normalizers.DoubleNormalizedKeyComputerFactory;
  import org.apache.hyracks.dataflow.common.data.normalizers.FloatNormalizedKeyComputerFactory;
  import org.apache.hyracks.dataflow.common.data.normalizers.Integer64NormalizedKeyComputerFactory;
  import org.apache.hyracks.dataflow.common.data.normalizers.IntegerNormalizedKeyComputerFactory;
  import org.apache.hyracks.dataflow.common.data.normalizers.UTF8StringNormalizedKeyComputerFactory;
  
  public class NormalizedKeyComputerFactoryProvider implements INormalizedKeyComputerFactoryProvider {
  
      public static final NormalizedKeyComputerFactoryProvider INSTANCE = new NormalizedKeyComputerFactoryProvider();
  
      private NormalizedKeyComputerFactoryProvider() {
      }
  
      @Override
      public INormalizedKeyComputerFactory getNormalizedKeyComputerFactory(Object typeInfo, boolean ascending) {
          IAType type = (IAType) typeInfo;
          if (ascending) {
              switch (type.getTypeTag()) {
                  case DATE:
                  case TIME:
                  case YEARMONTHDURATION:
                  case INTEGER:
                      return new AWrappedAscNormalizedKeyComputerFactory(new IntegerNormalizedKeyComputerFactory());
                  case DATETIME:
                  case DAYTIMEDURATION:
                  case BIGINT:
                      return new AWrappedAscNormalizedKeyComputerFactory(new Integer64NormalizedKeyComputerFactory());
                  case FLOAT:
                      return new AWrappedAscNormalizedKeyComputerFactory(new FloatNormalizedKeyComputerFactory());
                  case DOUBLE:
                      return new AWrappedAscNormalizedKeyComputerFactory(new DoubleNormalizedKeyComputerFactory());
                  case STRING:
                      return new AWrappedAscNormalizedKeyComputerFactory(new UTF8StringNormalizedKeyComputerFactory());
                  case BINARY:
                      return new AWrappedAscNormalizedKeyComputerFactory(new ByteArrayNormalizedKeyComputerFactory());
                  case UUID:
                      return new AWrappedAscNormalizedKeyComputerFactory(new AUUIDNormalizedKeyComputerFactory());
                  default:
                      return null;
              }
          } else {
              switch (type.getTypeTag()) {
                  case DATE:
                  case TIME:
                  case YEARMONTHDURATION:
                  case INTEGER:
                      return new AWrappedDescNormalizedKeyComputerFactory(new IntegerNormalizedKeyComputerFactory());
                  case DATETIME:
                  case DAYTIMEDURATION:
                  case BIGINT:
                      return new AWrappedDescNormalizedKeyComputerFactory(new Integer64NormalizedKeyComputerFactory());
                  case FLOAT:
                      return new AWrappedDescNormalizedKeyComputerFactory(new FloatNormalizedKeyComputerFactory());
                  case DOUBLE:
                      return new AWrappedDescNormalizedKeyComputerFactory(new DoubleNormalizedKeyComputerFactory());
                  case STRING:
                      return new AWrappedDescNormalizedKeyComputerFactory(new UTF8StringNormalizedKeyComputerFactory());
                  case BINARY:
                      return new AWrappedDescNormalizedKeyComputerFactory(new ByteArrayNormalizedKeyComputerFactory());
                  case UUID:
                      return new AWrappedDescNormalizedKeyComputerFactory(new AUUIDNormalizedKeyComputerFactory());
                  default:
                      return null;
              }
          }
      }
  }
  