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 com.datastax.dse.driver.api.querybuilder.schema;
  
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  public interface CreateDseFunctionWithLanguage {
  
    /**
     * Adds AS to the create function specification. This is used to specify the body of the function.
     * Note that it is expected that the provided body is properly quoted as this method does not make
     * that decision for the user. For simple cases, one should wrap the input in single quotes, i.e.
     * <code>'myBody'</code>. If the body itself contains single quotes, one could use a
     * postgres-style string literal, which is surrounded in two dollar signs, i.e. <code>$$ myBody $$
     * </code>.
     */
    @NonNull
    CreateDseFunctionEnd as(@NonNull String functionBody);
  
    /**
     * Adds AS to the create function specification and quotes the function body. Assumes that if the
     * input body contains at least one single quote, to quote the body with two dollar signs, i.e.
     * <code>$$ myBody $$</code>, otherwise the body is quoted with single quotes, i.e. <code>
     * ' myBody '</code>. If the function body is already quoted {@link #as(String)} should be used
     * instead.
     */
    @NonNull
    default CreateDseFunctionEnd asQuoted(@NonNull String functionBody) {
      if (functionBody.contains("'")) {
        return as("$$ " + functionBody + " $$");
      } else {
        return as('\'' + functionBody + '\'');
      }
    }
  }
  