/*
* Copyright 1999-2015 dangdang.com.
* <p>
* 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.
* </p>
*/
package com.dangdang.ddframe.rdb.sharding.jdbc;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Objects;
/**
* 在PreparedStatement复用的时候,用Connection对象和SQL来区分同一个库的会话.
*
* @author gaohongtao
*/
final class BackendPreparedStatementWrapper extends BackendStatementWrapper {
private final String sql;
BackendPreparedStatementWrapper(final PreparedStatement statement, final String sql) throws SQLException {
super(statement);
this.sql = sql;
}
@Override
boolean isBelongTo(final Connection connection, final String sql) {
return super.isBelongTo(connection, sql) && Objects.equals(sql, this.sql);
}
}