Java tutorial
/** * 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); } }