Examples with DaoException org.nutz.dao.DaoException used on opensource projects

Example 1 with DaoException

use of org.nutz.dao.DaoException in project nutz by nutzam.

the class NutDao method fetch.

public <T> T fetch(Class<T> classOfT, String name) {
    if (name == null)
        throw new IllegalArgumentException("name MUST NOT NULL!");
    Entity<T> en = holder.getEntity(classOfT);
    if (en.getNameField() == null)
        throw new DaoException("Need @Name for " + classOfT);
    Pojo pojo = pojoMaker.makeQuery(en).append(Pojos.Items.cndName(en, name)).addParamsBy(name).setAfter(_pojo_fetchEntity);
    _exec(pojo);
    return pojo.getObject(classOfT);
}

Example 2 with DaoException

use of org.nutz.dao.DaoException in project nutz by nutzam.

the class NutDao method fetch.

public <T> T fetch(Class<T> classOfT, long id) {
    Entity<T> en = holder.getEntity(classOfT);
    if (en.getIdField() == null)
        throw new DaoException("Need @Id for " + classOfT);
    Pojo pojo = pojoMaker.makeQuery(en).append(Pojos.Items.cndId(en, id)).addParamsBy(id).setAfter(_pojo_fetchEntity);
    _exec(pojo);
    return pojo.getObject(classOfT);
}

Example 3 with DaoException

use of org.nutz.dao.DaoException in project nutz by nutzam.

the class NutTxDao method begin.

/**
     * 开启事务
     * 
     * @param transLevel
     *            事务级别
     * @see java.sql.Connection
     * @return 原对象
     * @throws DaoException
     *             如果已经开启过事务
     */
public NutTxDao begin(int transLevel) throws DaoException {
    if (this.conn != null)
        throw new DaoException("NutTxDao has been begined!!");
    id = R.UU32();
    if (debug)
        log.debugf("begin level=%d id=%s", transLevel, id);
    try {
        this.conn = dataSource.getConnection();
        this.conn.setTransactionIsolation(transLevel);
        if (this.conn.getAutoCommit() == true) {
            this.conn.setAutoCommit(false);
            _autoCommit = true;
        }
        setSavepoint(id);
    } catch (SQLException e) {
        throw new DaoException(e);
    }
    return this;
}

Example 4 with DaoException

use of org.nutz.dao.DaoException in project nutz by nutzam.

the class Record method create.

public static void create(Map<String, Object> re, ResultSet rs, ResultSetMetaData meta) {
    String name = null;
    int i = 0;
    try {
        if (meta == null)
            meta = rs.getMetaData();
        int count = meta.getColumnCount();
        for (i = 1; i <= count; i++) {
            name = meta.getColumnLabel(i);
            switch(meta.getColumnType(i)) {
                case Types.TIMESTAMP:
                    {
                        re.put(name, rs.getTimestamp(i));
                        break;
                    }
                case Types.DATE:
                    {
                        // ORACLE的DATE类型包含时间,如果用默认的只有日期没有时间 from
                        // cqyunqin
                        re.put(name, rs.getTimestamp(i));
                        break;
                    }
                case Types.CLOB:
                    {
                        re.put(name, rs.getString(i));
                        break;
                    }
                default:
                    re.put(name, rs.getObject(i));
                    break;
            }
        }
    } catch (SQLException e) {
        if (name != null) {
            throw new DaoException(String.format("Column Name=%s, index=%d", name, i), e);
        }
        throw new DaoException(e);
    }
}

Example 5 with DaoException

use of org.nutz.dao.DaoException in project nutz by nutzam.

the class NutDaoRunner method _runWithoutTransaction.

public void _runWithoutTransaction(DataSource dataSource, ConnCallback callback) {
    Connection conn = null;
    // 开始一个连接
    try {
        conn = selectDataSource(null, dataSource, callback).getConnection();
        // 开始真正运行
        runCallback(conn, callback);
        // 完成提交
        if (!conn.getAutoCommit())
            conn.commit();
    }// 异常回滚
     catch (Exception e) {
        try {
            if (// 高并发时,从数据库连接池获取连接就已经抛错误,所以conn可能为null的
            conn != null)
                conn.rollback();
        }// TODO 简单记录一下?
         catch (Exception e1) {
        }
        if (e instanceof DaoException)
            throw (DaoException) e;
        throw new DaoException(e);
    } finally // 保证释放资源
    {
        if (null != conn) {
            // 关闭链接
            try {
                conn.close();
            } catch (SQLException closeE) {
                if (log.isWarnEnabled())
                    log.warn("Fail to close connection!", closeE);
            }
        }
    }
}