/*
    *    Copyright 2016-2025 the original author or authors.
    *
    *    Licensed 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
    *
    *       https://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.mybatis.dynamic.sql;
  
  import java.util.Objects;
  
  import org.mybatis.dynamic.sql.select.SelectModel;
  import org.mybatis.dynamic.sql.util.Buildable;
  
  public class ExistsPredicate {
      private final Buildable<SelectModel> selectModelBuilder;
      private final String operator;
  
      private ExistsPredicate(String operator, Buildable<SelectModel> selectModelBuilder) {
          this.selectModelBuilder = Objects.requireNonNull(selectModelBuilder);
          this.operator = Objects.requireNonNull(operator);
      }
  
      public String operator() {
          return operator;
      }
  
      public Buildable<SelectModel> selectModelBuilder() {
          return selectModelBuilder;
      }
  
      public static ExistsPredicate exists(Buildable<SelectModel> selectModelBuilder) {
          return new ExistsPredicate("exists", selectModelBuilder); //$NON-NLS-1$
      }
  
      public static ExistsPredicate notExists(Buildable<SelectModel> selectModelBuilder) {
          return new ExistsPredicate("not exists", selectModelBuilder); //$NON-NLS-1$
      }
  }