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 java.io.Serializable;
  
  import org.apache.asterix.dataflow.data.nontagged.hash.AMurmurHash3BinaryHashFunctionFamily;
  import org.apache.asterix.om.types.IAType;
  import org.apache.hyracks.algebricks.data.IBinaryHashFunctionFactoryProvider;
  import org.apache.hyracks.api.dataflow.value.IBinaryHashFunction;
  import org.apache.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
  import org.apache.hyracks.data.std.accessors.PointableBinaryHashFunctionFactory;
  import org.apache.hyracks.data.std.primitive.UTF8StringPointable;
  
  public class BinaryHashFunctionFactoryProvider implements IBinaryHashFunctionFactoryProvider, Serializable {
  
      private static final long serialVersionUID = 1L;
      public static final BinaryHashFunctionFactoryProvider INSTANCE = new BinaryHashFunctionFactoryProvider();
      public static final PointableBinaryHashFunctionFactory UTF8STRING_POINTABLE_INSTANCE =
              new PointableBinaryHashFunctionFactory(UTF8StringPointable.FACTORY);
  
      private BinaryHashFunctionFactoryProvider() {
      }
  
      @Override
      public IBinaryHashFunctionFactory getBinaryHashFunctionFactory(Object type) {
          return new IBinaryHashFunctionFactory() {
  
              private static final long serialVersionUID = 1L;
  
              @Override
              public IBinaryHashFunction createBinaryHashFunction() {
                  // actual numeric type promotion happens in the createBinaryHashFunction()
                  return AMurmurHash3BinaryHashFunctionFamily.createBinaryHashFunction((IAType) type, 0);
              }
          };
      }
  }
  