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.calcite.adapter.enumerable;
  
  import org.apache.calcite.linq4j.tree.Expression;
  import org.apache.calcite.rex.RexCall;
  
  import java.util.List;
  
  /**
   * Simplified version of
   * {@link org.apache.calcite.adapter.enumerable.CallImplementor}
   * that does not know about null semantics.
   *
   * @see org.apache.calcite.adapter.enumerable.RexImpTable
   * @see org.apache.calcite.adapter.enumerable.CallImplementor
   */
  public interface NotNullImplementor {
    /**
     * Implements a call with assumption that all the null-checking is
     * implemented by caller.
     *
     * @param translator translator to implement the code
     * @param call call to implement
     * @param translatedOperands arguments of a call
     * @return expression that implements given call
     */
    Expression implement(
        RexToLixTranslator translator,
        RexCall call,
        List<Expression> translatedOperands);
  }
  