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Example 1 with Config

use of com.jfinal.plugin.activerecord.Config in project jfinal by jfinal.

the class Tx method intercept.

public void intercept(Invocation inv) {
    Config config = getConfigWithTxConfig(inv);
    if (config == null)
        config = DbKit.getConfig();
    Connection conn = config.getThreadLocalConnection();
    if (conn != null) {
        // Nested transaction support
        try {
            if (conn.getTransactionIsolation() < getTransactionLevel(config))
                conn.setTransactionIsolation(getTransactionLevel(config));
            inv.invoke();
            return;
        } catch (SQLException e) {
            throw new ActiveRecordException(e);
        }
    }
    Boolean autoCommit = null;
    try {
        conn = config.getConnection();
        autoCommit = conn.getAutoCommit();
        config.setThreadLocalConnection(conn);
        // conn.setTransactionIsolation(transactionLevel);
        conn.setTransactionIsolation(getTransactionLevel(config));
        conn.setAutoCommit(false);
        inv.invoke();
        conn.commit();
    } catch (NestedTransactionHelpException e) {
        if (conn != null)
            try {
                conn.rollback();
            } catch (Exception e1) {
                LogKit.error(e1.getMessage(), e1);
            }
        LogKit.logNothing(e);
    } catch (Throwable t) {
        if (conn != null)
            try {
                conn.rollback();
            } catch (Exception e1) {
                LogKit.error(e1.getMessage(), e1);
            }
        // 支持在 controller 中 try catch 的 catch 块中使用 render(...) 并 throw e,实现灵活控制 render
        if (inv.isActionInvocation() && inv.getController().getRender() != null) {
            LogKit.error(t.getMessage(), t);
        } else {
            throw t instanceof RuntimeException ? (RuntimeException) t : new ActiveRecordException(t);
        }
    } finally {
        try {
            if (conn != null) {
                if (autoCommit != null)
                    conn.setAutoCommit(autoCommit);
                conn.close();
            }
        } catch (Throwable t) {
            // can not throw exception here, otherwise the more important exception in previous catch block can not be thrown
            LogKit.error(t.getMessage(), t);
        } finally {
            // prevent memory leak
            config.removeThreadLocalConnection();
        }
    }
}
Also used : NestedTransactionHelpException(com.jfinal.plugin.activerecord.NestedTransactionHelpException) SQLException(java.sql.SQLException) Config(com.jfinal.plugin.activerecord.Config) Connection(java.sql.Connection) ActiveRecordException(com.jfinal.plugin.activerecord.ActiveRecordException) SQLException(java.sql.SQLException) ActiveRecordException(com.jfinal.plugin.activerecord.ActiveRecordException) NestedTransactionHelpException(com.jfinal.plugin.activerecord.NestedTransactionHelpException)

Aggregations

ActiveRecordException (com.jfinal.plugin.activerecord.ActiveRecordException)1 Config (com.jfinal.plugin.activerecord.Config)1 NestedTransactionHelpException (com.jfinal.plugin.activerecord.NestedTransactionHelpException)1 Connection (java.sql.Connection)1 SQLException (java.sql.SQLException)1