/**
    *    Copyright 2009-2019 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
    *
    *       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.ibatis.mapping;
  
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.ibatis.reflection.MetaObject;
  import org.apache.ibatis.reflection.property.PropertyTokenizer;
  import org.apache.ibatis.session.Configuration;
  
  /**
   * An actual SQL String got from an {@link SqlSource} after having processed any dynamic content.
   * The SQL may have SQL placeholders "?" and an list (ordered) of an parameter mappings
   * with the additional information for each parameter (at least the property name of the input object to read
   * the value from).
   * <p>
   * Can also have additional parameters that are created by the dynamic language (for loops, bind...).
   *
   * @author Clinton Begin
   */
  public class BoundSql {
  
    private final String sql;
    private final List<ParameterMapping> parameterMappings;
    private final Object parameterObject;
    private final Map<String, Object> additionalParameters;
    private final MetaObject metaParameters;
  
    public BoundSql(Configuration configuration, String sql, List<ParameterMapping> parameterMappings, Object parameterObject) {
      this.sql = sql;
      this.parameterMappings = parameterMappings;
      this.parameterObject = parameterObject;
      this.additionalParameters = new HashMap<>();
      this.metaParameters = configuration.newMetaObject(additionalParameters);
    }
  
    public String getSql() {
      return sql;
    }
  
    public List<ParameterMapping> getParameterMappings() {
      return parameterMappings;
    }
  
    public Object getParameterObject() {
      return parameterObject;
    }
  
    public boolean hasAdditionalParameter(String name) {
      String paramName = new PropertyTokenizer(name).getName();
      return additionalParameters.containsKey(paramName);
    }
  
    public void setAdditionalParameter(String name, Object value) {
      metaParameters.setValue(name, value);
    }
  
    public Object getAdditionalParameter(String name) {
      return metaParameters.getValue(name);
    }
  }