60 lines
1.7 KiB
Java
60 lines
1.7 KiB
Java
/*
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* mxisd - Matrix Identity Server Daemon
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* Copyright (C) 2017 Kamax Sarl
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*
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* https://www.kamax.io/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package io.kamax.mxisd.backend.sql;
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import com.mchange.v2.c3p0.ComboPooledDataSource;
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import io.kamax.mxisd.config.sql.SqlConfig;
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import java.sql.Connection;
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import java.sql.SQLException;
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public class SqlConnectionPool {
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public interface SqlFunction<T, R> {
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R run(T connection) throws SQLException;
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}
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private ComboPooledDataSource ds;
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public SqlConnectionPool(SqlConfig cfg) {
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ds = new ComboPooledDataSource();
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ds.setJdbcUrl("jdbc:" + cfg.getType() + ":" + cfg.getConnection());
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ds.setMinPoolSize(1);
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ds.setMaxPoolSize(10);
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ds.setAcquireIncrement(2);
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}
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public Connection get() throws SQLException {
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return ds.getConnection();
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}
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public <T> T withConnFunction(SqlFunction<Connection, T> function) {
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try (Connection conn = get()) {
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return function.run(conn);
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} catch (SQLException e) {
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throw new RuntimeException(e);
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}
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}
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}
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