Package net.paoding.rose.jade.statement

Examples of net.paoding.rose.jade.statement.StatementMetaData

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        // 获取当前DAO方法对应的Statement对象
        Statement statement = getStatement(method);
        //
        // 将参数放入  Map
        Map<String, Object> parameters;
        StatementMetaData statemenetMetaData = statement.getMetaData();
        if (args == null || args.length == 0) {
            parameters = new HashMap<String, Object>(4);
        } else {
            parameters = new HashMap<String, Object>(args.length * 2 + 4);
            for (int i = 0; i < args.length; i++) {
                parameters.put(INDEX_NAMES[i], args[i]);
                SQLParam sqlParam = statemenetMetaData.getSQLParamAt(i);
                if (sqlParam != null) {
                    parameters.put(sqlParam.value(), args[i]);
                }
            }
        }
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        Statement statement = statements.get(method);
        if (statement == null) {
            synchronized (method) {
                statement = statements.get(method);
                if (statement == null) {
                    StatementMetaData smd = new StatementMetaData(daoMetaData, method);
                    SQLType sqlType = smd.getSQLType();
                    Querier querier;
                    if (sqlType == SQLType.READ) {
                        RowMapper rowMapper = rowMapperFactory.getRowMapper(smd);
                        querier = new SelectQuerier(dataAccessFactory, smd, rowMapper);
                    } else {
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        // 获取当前DAO方法对应的Statement对象
        Statement statement = getStatement(method);
        //
        // 将参数放入  Map
        Map<String, Object> parameters;
        StatementMetaData statemenetMetaData = statement.getMetaData();
        if (args == null || args.length == 0) {
            parameters = new HashMap<String, Object>(4);
        } else {
            parameters = new HashMap<String, Object>(args.length * 2 + 4);
            for (int i = 0; i < args.length; i++) {
                parameters.put(INDEX_NAMES[i], args[i]);
                SQLParam sqlParam = statemenetMetaData.getSQLParamAt(i);
                if (sqlParam != null) {
                    parameters.put(sqlParam.value(), args[i]);
                }
            }
        }
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        Statement statement = statements.get(method);
        if (statement == null) {
            synchronized (method) {
                statement = statements.get(method);
                if (statement == null) {
                    StatementMetaData smd = new StatementMetaData(daoMetaData, method);
                    SQLType sqlType = smd.getSQLType();
                    Querier querier;
                    if (sqlType == SQLType.READ) {
                        RowMapper<?> rowMapper = rowMapperFactory.getRowMapper(smd);
                        querier = new SelectQuerier(dataAccessFactory, smd, rowMapper);
                    } else {
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     * @param realStatement
     */
    public CachedStatement(CacheProvider cacheProvider, Statement realStatement) {
        this.realStatement = realStatement;
        this.cacheProvider = cacheProvider;
        StatementMetaData metaData = realStatement.getMetaData();
        SQLType sqlType = metaData.getSQLType();
        cacheDeleteAnnotation = metaData.getMethod().getAnnotation(CacheDelete.class);
        Cache cacheAnnotation = metaData.getMethod().getAnnotation(Cache.class);
        if (sqlType == SQLType.READ) {
            this.cacheAnnotation = cacheAnnotation;
        } else {
            this.cacheAnnotation = null;
            if (cacheAnnotation != null) {
                Log logger = LogFactory.getLog(CachedStatement.class);
                logger.warn("@" + Cache.class.getName() + " is invalid for a " //
                        + sqlType + " SQL:" + metaData.getSQL());
            }
        }
    }
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Related Classes of net.paoding.rose.jade.statement.StatementMetaData

  • net.paoding.rose.jade.annotation.ShardBy
  • net.paoding.rose.jade.annotation.SQL
  • net.paoding.rose.jade.annotation.SQLType
  • net.paoding.rose.jade.context.JadeInvocationHandler
  • net.paoding.rose.jade.statement.cached.CachedStatement
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