org.apache.ibatis.session.Configuration.hasStatement()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中org.apache.ibatis.session.Configuration.hasStatement()方法的一些代码示例，展示了Configuration.hasStatement()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Configuration.hasStatement()方法的具体详情如下：
包路径：org.apache.ibatis.session.Configuration
类名称：Configuration
方法名：hasStatement

Configuration.hasStatement介绍

暂无

代码示例

代码示例来源：origin: baomidou/mybatis-plus

/**
 * 是否已经存在MappedStatement
 *
 * @param mappedStatement
 * @return
 */
private boolean hasMappedStatement(String mappedStatement) {
  return configuration.hasStatement(mappedStatement, false);
}

代码示例来源：origin: baomidou/mybatis-plus

/**
 * 是否已经存在MappedStatement
 *
 * @param mappedStatement MappedStatement
 * @return true or false
 */
private boolean hasMappedStatement(String mappedStatement) {
  return configuration.hasStatement(mappedStatement, false);
}

代码示例来源：origin: baomidou/mybatis-plus

private MappedStatement resolveMappedStatement(Class<?> mapperInterface, String methodName,
                          Class<?> declaringClass, Configuration configuration) {
    String statementId = mapperInterface.getName() + "." + methodName;
    if (configuration.hasStatement(statementId)) {
      return configuration.getMappedStatement(statementId);
    } else if (mapperInterface.equals(declaringClass)) {
      return null;
    }
    for (Class<?> superInterface : mapperInterface.getInterfaces()) {
      if (declaringClass.isAssignableFrom(superInterface)) {
        MappedStatement ms = resolveMappedStatement(superInterface, methodName,
          declaringClass, configuration);
        if (ms != null) {
          return ms;
        }
      }
    }
    return null;
  }
}

代码示例来源：origin: camunda/camunda-bpm-platform

public boolean hasStatement(String statementName) {
 return hasStatement(statementName, true);
}

代码示例来源：origin: org.mybatis/mybatis

public boolean hasStatement(String statementName) {
 return hasStatement(statementName, true);
}

代码示例来源：origin: camunda/camunda-bpm-platform

private MappedStatement resolveMappedStatement(Class<?> mapperInterface, String methodName,
   Class<?> declaringClass, Configuration configuration) {
  String statementId = mapperInterface.getName() + "." + methodName;
  if (configuration.hasStatement(statementId)) {
   return configuration.getMappedStatement(statementId);
  } else if (mapperInterface.equals(declaringClass)) {
   return null;
  }
  for (Class<?> superInterface : mapperInterface.getInterfaces()) {
   if (declaringClass.isAssignableFrom(superInterface)) {
    MappedStatement ms = resolveMappedStatement(superInterface, methodName,
      declaringClass, configuration);
    if (ms != null) {
     return ms;
    }
   }
  }
  return null;
 }
}

代码示例来源：origin: org.mybatis/mybatis

private MappedStatement resolveMappedStatement(Class<?> mapperInterface, String methodName,
   Class<?> declaringClass, Configuration configuration) {
  String statementId = mapperInterface.getName() + "." + methodName;
  if (configuration.hasStatement(statementId)) {
   return configuration.getMappedStatement(statementId);
  } else if (mapperInterface.equals(declaringClass)) {
   return null;
  }
  for (Class<?> superInterface : mapperInterface.getInterfaces()) {
   if (declaringClass.isAssignableFrom(superInterface)) {
    MappedStatement ms = resolveMappedStatement(superInterface, methodName,
      declaringClass, configuration);
    if (ms != null) {
     return ms;
    }
   }
  }
  return null;
 }
}

代码示例来源：origin: camunda/camunda-bpm-platform

private boolean databaseIdMatchesCurrent(String id, String databaseId, String requiredDatabaseId) {
 if (requiredDatabaseId != null) {
  if (!requiredDatabaseId.equals(databaseId)) {
   return false;
  }
 } else {
  if (databaseId != null) {
   return false;
  }
  // skip this statement if there is a previous one with a not null databaseId
  id = builderAssistant.applyCurrentNamespace(id, false);
  if (this.configuration.hasStatement(id, false)) {
   MappedStatement previous = this.configuration.getMappedStatement(id, false); // issue #2
   if (previous.getDatabaseId() != null) {
    return false;
   }
  }
 }
 return true;
}

代码示例来源：origin: org.mybatis/mybatis

private boolean databaseIdMatchesCurrent(String id, String databaseId, String requiredDatabaseId) {
 if (requiredDatabaseId != null) {
  if (!requiredDatabaseId.equals(databaseId)) {
   return false;
  }
 } else {
  if (databaseId != null) {
   return false;
  }
  // skip this statement if there is a previous one with a not null databaseId
  id = builderAssistant.applyCurrentNamespace(id, false);
  if (this.configuration.hasStatement(id, false)) {
   MappedStatement previous = this.configuration.getMappedStatement(id, false); // issue #2
   if (previous.getDatabaseId() != null) {
    return false;
   }
  }
 }
 return true;
}

代码示例来源：origin: com.github.drtrang/spring-boot-autoconfigure

/**
 * 是否已经存在该 msId
 */
private boolean hasMappedStatement(String msId) {
  return configuration.hasStatement(msId, false);
}

代码示例来源：origin: net.oschina.zcx7878/cicada.boot-mybatis

/**
 * 是否已经存在该ID
 *
 * @param msId
 * @return
 */
private boolean hasMappedStatement(String msId)
{
  return configuration.hasStatement(msId, false);
}

代码示例来源：origin: io.github.yangziwen/quick-dao-mybatis

private boolean hasMappedStatement(String id) {
  return configuration.hasStatement(id, false);
}

代码示例来源：origin: chanedi/QuickProject

public boolean hasStatement(String statementName, boolean validateIncompleteStatements) {
  super.hasStatement(statementName, validateIncompleteStatements);
  return mappedStatements.containsKey(statementName);
}

代码示例来源：origin: com.talanlabs/bean-mybatis

@Override
public boolean hasStatement(String statementName, boolean validateIncompleteStatements) {
  boolean res = super.hasStatement(statementName, validateIncompleteStatements);
  if (!res) {
    res = verifyAndCreateMappedStatement(statementName);
  }
  return res;
}

代码示例来源：origin: com.talanlabs/component-mybatis

@Override
public boolean hasStatement(String statementName, boolean validateIncompleteStatements) {
  boolean res = super.hasStatement(statementName, validateIncompleteStatements);
  if (!res) {
    res = verifyAndCreateMappedStatement(statementName);
  }
  return res;
}

代码示例来源：origin: com.gitee.hengboy/mybatis-enhance-core

/**
 * 处理MapperClass内的匹配NamedMethod的MappedStatement以及SqlSource
 *
 * @param configuration MyBatis配置对象
 * @param mapperClass   Mapper的类型
 */
public void namedSupport(Configuration configuration, Class<?> mapperClass) {
  if (ObjectUtils.isEmpty(mapperClass)) {
    throw new EnhanceFrameworkException("处理NamedMethod MappedStatement时，参数[mapperClass]为必填项.");
  }
  // 获取Mapper内定义的方法不包含上级接口
  Method[] methods = mapperClass.getDeclaredMethods();
  // 遍历Mapper内定义的每一个方法
  for (Method method : methods) {
    // MappedStatement Id
    String statementId = mapperClass.getName() + "." + method.getName();
    // 如果匹配方法规则查询
    // 执行创建MappedStatement对象
    // 调用对应的Provider，执行重载SqlSource
    if (!configuration.hasStatement(statementId) && NamedMethodHelper.isMatchNamed(method.getName())) {
      logger.debug("Invoke Named Reload ： {} SqlSource.", statementId);
      MappedStatement statement = new MappedStatement.Builder(configuration, statementId, new DynamicSqlSource(configuration, new TextSqlNode("this is empty.")), getSqlCommandType(method.getName())).build();
      // 将MappedStatement添加到Configuration
      configuration.addMappedStatement(statement);
      // 会自动根据方法规则匹配对应的Provider
      BaseProvider provider = ProviderHelper.getMethodProvider(statementId);
      provider.invokeNamedProviderMethod(statement);
    }
  }
}

代码示例来源：origin: com.intoverflow.booster/booster-core

public void buildMethod(Method method) {
    this.method = method;// 方法名

    String mappedStatementId = getMappedStatementId();
    if (assistant.getConfiguration().hasStatement(mappedStatementId)) {
      log.warn("Mybatis MappedStatement exists: {}", mappedStatementId);
      this.duplicated = true;
      return;
    }
    // Lang
    buildLanguageDriver(method);
    // 参数类型
//        buildParameterType(method);
    // 返回值类型
    buildReturnType(method);
    // 主键策略
    setKeyGenerator(NoKeyGenerator.INSTANCE);
    setKeyProperty(null);
    setKeyColumn(null);
    buildResultMapId(method);
  }

代码示例来源：origin: vakinge/jeesuite-libs

if(configuration.hasStatement(msId))return configuration.getMappedStatement(msId);

代码示例来源：origin: org.apache.ibatis/ibatis-core

private void processGeneratedKeys(Executor executor, MappedStatement ms, Statement stmt, Object parameter) {
 try {
  final Configuration configuration = ms.getConfiguration();
  if (parameter != null) {
   String keyStatementName = ms.getId() + SELECT_KEY_SUFFIX;
   if (configuration.hasStatement(keyStatementName)) {
    if (keyStatement != null) {
     String keyProperty = keyStatement.getKeyProperty();
     final MetaObject metaParam = configuration.newMetaObject(parameter);
     if (keyProperty != null && metaParam.hasSetter(keyProperty)) {
      // Do not close keyExecutor.
      // The transaction will be closed by parent executor.
      Executor keyExecutor = configuration.newExecutor(executor.getTransaction(), ExecutorType.SIMPLE);
      List values = keyExecutor.query(keyStatement, parameter, RowBounds.DEFAULT, Executor.NO_RESULT_HANDLER);
      if (values.size() > 1) {
       throw new ExecutorException("Select statement for SelectKeyGenerator returned more than one value.");
      }
      metaParam.setValue(keyProperty, values.get(0));
     }
    }
   }
  }
 } catch (Exception e) {
  throw new ExecutorException("Error selecting key or setting result to parameter object. Cause: " + e, e);
 }
}

代码示例来源：origin: org.apache.ibatis/ibatis-core

protected void rebindGeneratedKey() {
 if (boundSql.getParameterObject() != null) {
  String keyStatementName = mappedStatement.getId() + SelectKeyGenerator.SELECT_KEY_SUFFIX;
  if (configuration.hasStatement(keyStatementName)) {
   MappedStatement keyStatement = configuration.getMappedStatement(keyStatementName);
   if (keyStatement != null) {
    String keyProperty = keyStatement.getKeyProperty();
    MetaObject metaParam = configuration.newMetaObject(boundSql.getParameterObject());
    if (keyProperty != null && metaParam.hasSetter(keyProperty) && metaParam.hasGetter(keyProperty)) {
     boundSql.setAdditionalParameter(keyProperty, metaParam.getValue(keyProperty));
    }
   }
  }
 }
}

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