Example usage for org.apache.ibatis.session SqlSession getConfiguration

Introduction

In this page you can find the example usage for org.apache.ibatis.session SqlSession getConfiguration.

Prototype

Configuration getConfiguration();

Source Link

Document

Retrieves current configuration.

Usage

From source file:com.xiaogua.web.util.MybatisSqlHelper.java

License:Open Source License

/**
        //ww  w  .  j  a v  a2 s .  c o  m
 * ????sql
        
 *
        
 * @param session
        
 * @param namespace
        
 * @param params
        
 * @return
        
 */
public static String getNameSpaceSql(SqlSession session, String namespace, Object params) {
    params = wrapCollection(params);
    Configuration configuration = session.getConfiguration();
    MappedStatement mappedStatement = configuration.getMappedStatement(namespace);
    TypeHandlerRegistry typeHandlerRegistry = mappedStatement.getConfiguration().getTypeHandlerRegistry();
    BoundSql boundSql = mappedStatement.getBoundSql(params);
    List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
    String sql = boundSql.getSql();
    if (parameterMappings != null) {
        for (int i = 0; i < parameterMappings.size(); i++) {
            ParameterMapping parameterMapping = parameterMappings.get(i);
            if (parameterMapping.getMode() != ParameterMode.OUT) {
                Object value;
                String propertyName = parameterMapping.getProperty();
                if (boundSql.hasAdditionalParameter(propertyName)) {
                    value = boundSql.getAdditionalParameter(propertyName);
                } else if (params == null) {
                    value = null;
                } else if (typeHandlerRegistry.hasTypeHandler(params.getClass())) {
                    value = params;
                } else {
                    MetaObject metaObject = configuration.newMetaObject(params);
                    value = metaObject.getValue(propertyName);
                }
                JdbcType jdbcType = parameterMapping.getJdbcType();
                if (value == null && jdbcType == null)
                    jdbcType = configuration.getJdbcTypeForNull();
                sql = replaceParameter(sql, value, jdbcType, parameterMapping.getJavaType());
            }
        }
    }
    return sql;
}

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From source file:com.yimidida.shards.session.impl.ShardedSqlSessionImpl.java

License:Open Source License

@Override
public int insert(String statement, Object parameter) {
    ShardId shardId = this.selectShardIdForNewObject(statement, parameter);
    if (shardId == null) {
        shardId = this.getShardIdForStatementOrParameter(statement, parameter);
    }/*from  w w w.  jav  a  2 s. co  m*/

    Assert.notNull(shardId);

    // ?id
    setCurrentSubgraphShardId(shardId);

    log.debug(String.format("Inserting object of type %s to shard %s", parameter.getClass(), shardId));

    SqlSession session = shardIdsToShards.get(shardId).establishSqlSession();

    IdGenerator idGenerator = shardedSqlSessionFactory.getIdGenerator();
    if (idGenerator != null) {
        //TODO(fengkuok) ? DB?session
        Serializable id = idGenerator.generate(session, parameter);

        log.debug(String.format(
                "Generating id for object %s ,the type of IdGenerator is %s and generated Id is %s.",
                parameter.getClass(), idGenerator.getClass(), id));

        ParameterUtil.generatePrimaryKey(parameter, id);
    }

    final Object params = ParameterUtil.resolve(parameter, shardId);

    final int rows = session.insert(statement, params);

    //fixed set keys
    if (params instanceof Map) {
        Map map = (Map) params;
        Configuration configuration = session.getConfiguration();
        MappedStatement ms = configuration.getMappedStatement(statement);

        if (parameter != null && ms != null && ms.getKeyProperties() != null) {
            String keyProperty = ms.getKeyProperties()[0]; // just one key property is supported
            final MetaObject metaParam = configuration.newMetaObject(parameter);
            if (keyProperty != null && metaParam.hasSetter(keyProperty)) {
                metaParam.setValue(keyProperty, map.get(keyProperty));
            }
        }
    }

    return rows;
}

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