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/**
 * Copyright (C) 2016 - 2030 youtongluan.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * 		http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.yx.db.conn;

import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Savepoint;

import org.yx.conf.AppInfo;
import org.yx.db.event.EventLane;
import org.yx.util.StringUtil;

public class SlaveConnectionWrapper extends ConnectionWrapper {

	public static SlaveConnectionWrapper create(ConnectionWrapper write) throws SQLException {
		if (write.isClosed()) {
			return null;
		}
		return new SlaveConnectionWrapper(write, write.getDataSource());
	}

	public SlaveConnectionWrapper(Connection write, SumkDataSource ds) {
		super(write, ds);
	}

	@Override
	public void commit() throws SQLException {
		if (StringUtil.isEmpty(AppInfo.get("sumk.db"))) {
			throw new SQLException("readonly,cannot commit");
		}
	}

	@Override
	public void rollback() throws SQLException {
		EventLane.remove(this);
	}

	@Override
	public void close() throws SQLException {
		if (this.inner == null) {
			return;
		}
		EventLane.remove(this);
		this.inner = null;
	}

	@Override
	public void rollback(Savepoint savepoint) throws SQLException {
		EventLane.remove(this);
	}

	@Override
	public String toString() {
		return "slaveWrapper:" + String.valueOf(inner);
	}
}