Examples with DalConnectionPool com.ctrip.platform.dal.dao.datasource.tomcat.DalConnectionPool used on opensource projects

Example 1 with DalConnectionPool

use of com.ctrip.platform.dal.dao.datasource.tomcat.DalConnectionPool in project dal by ctripcorp.

the class DalConnectionPoolTest method simpleTest.

/**
 * need local mysql
 *
 * @throws SQLException
 */
@Test
public void simpleTest() throws SQLException {
    int initSize = 5;
    PoolConfiguration p = new PoolProperties();
    p.setUrl("jdbc:mysql://localhost:3306/test?a=1,b=2");
    p.setDriverClassName("com.mysql.jdbc.Driver");
    p.setUsername("root");
    p.setPassword("root");
    p.setInitialSize(initSize);
    final AtomicInteger create = new AtomicInteger();
    final AtomicInteger release = new AtomicInteger();
    final AtomicInteger abandon = new AtomicInteger();
    DalConnectionPool.setConnectionListener(new AbstractConnectionListener() {

        @Override
        public void doOnCreateConnection(String poolDesc, Connection connection) {
            create.incrementAndGet();
        }

        @Override
        public void doOnReleaseConnection(String poolDesc, Connection connection) {
            release.incrementAndGet();
        }

        @Override
        protected void doOnAbandonConnection(String poolDesc, Connection connection) {
            abandon.incrementAndGet();
        }

        @Override
        public int getOrder() {
            return 0;
        }
    });
    DataSource dataSource = new DalTomcatDataSource(p);
    ConnectionPool dalConnectionPool = dataSource.createPool();
    Assert.assertEquals(initSize, create.get());
    List<Connection> connections = new LinkedList<>();
    for (int i = 0; i < initSize; i++) {
        connections.add(dalConnectionPool.getConnection());
    }
    Assert.assertEquals(initSize, create.get());
    for (int i = 0; i < initSize; i++) {
        connections.add(dalConnectionPool.getConnection());
    }
    Assert.assertEquals(initSize * 2, create.get());
    for (Connection connection : connections) {
        connection.close();
    }
    Assert.assertEquals(initSize * 2, create.get());
    Assert.assertEquals(0, release.get());
    dalConnectionPool.purge();
    Assert.assertEquals(initSize * 2, create.get());
    Assert.assertEquals(initSize * 2, release.get());
}