| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.metamodel.jdbc; |
| |
| import java.sql.Connection; |
| import java.sql.PreparedStatement; |
| import java.sql.SQLException; |
| |
| import org.apache.commons.pool.PoolableObjectFactory; |
| |
| /** |
| * Factory for the object pool of {@link JdbcCompiledQueryLease}s. |
| */ |
| final class JdbcCompiledQueryLeaseFactory implements PoolableObjectFactory<JdbcCompiledQueryLease> { |
| |
| private final JdbcDataContext _dataContext; |
| private final Connection _connection; |
| private final String _sql; |
| |
| public JdbcCompiledQueryLeaseFactory(JdbcDataContext dataContext, Connection connection, String sql) { |
| _dataContext = dataContext; |
| _connection = connection; |
| _sql = sql; |
| } |
| |
| |
| @Override |
| public JdbcCompiledQueryLease makeObject() throws Exception { |
| try { |
| final PreparedStatement statement = _connection.prepareStatement(_sql); |
| final JdbcCompiledQueryLease lease = new JdbcCompiledQueryLease(_connection, statement); |
| return lease; |
| } catch (SQLException e) { |
| throw JdbcUtils.wrapException(e, "preparing statement"); |
| } |
| } |
| |
| @Override |
| public void destroyObject(JdbcCompiledQueryLease lease) throws Exception { |
| _dataContext.close(null, null, lease.getStatement()); |
| } |
| |
| @Override |
| public boolean validateObject(JdbcCompiledQueryLease lease) { |
| return true; |
| } |
| |
| @Override |
| public void activateObject(JdbcCompiledQueryLease obj) throws Exception { |
| } |
| |
| @Override |
| public void passivateObject(JdbcCompiledQueryLease obj) throws Exception { |
| } |
| } |