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.cassandra.cql3.functions;
  
  import java.nio.ByteBuffer;
  import java.util.List;
  
  import org.apache.cassandra.db.marshal.AbstractType;
  
  /**
   * Base class for the <code>ScalarFunction</code> native classes.
   */
  public abstract class NativeScalarFunction extends NativeFunction implements ScalarFunction
  {
      protected NativeScalarFunction(String name, AbstractType<?> returnType, AbstractType<?>... argsType)
      {
          super(name, returnType, argsType);
      }
  
      public boolean isCalledOnNullInput()
      {
          return true;
      }
  
      public final boolean isAggregate()
      {
          return false;
      }
  
      /**
       * Checks if a partial application of the function is monotonic.
       *
       * <p>A function is monotonic if it is either entirely nonincreasing or nondecreasing.</p>
       *
       * @param partialParameters the input parameters used to create the partial application of the function
       * @return {@code true} if the partial application of the function is monotonic {@code false} otherwise.
       */
      protected boolean isPartialApplicationMonotonic(List<ByteBuffer> partialParameters)
      {
          return isMonotonic();
      }
  }
  