public void druid() throws Exception {
DruidDataSource dataSource = new DruidDataSource();
dataSource.setInitialSize(initialSize);
dataSource.setMaxActive(maxActive);
dataSource.setMaxIdle(maxIdle);
dataSource.setMinIdle(minIdle);
dataSource.setMaxWait(maxWait);
dataSource.setPoolPreparedStatements(true);
dataSource.setDriverClassName(driverClass);
dataSource.setUrl(jdbcUrl);
dataSource.setPoolPreparedStatements(true);
dataSource.setUsername(user);
dataSource.setPassword(password);
dataSource.setValidationQuery(validationQuery);
dataSource.setTestOnBorrow(testOnBorrow);
dataSource.setTestOnBorrow(testWhileIdle);
dataSource.setTestOnBorrow(testOnReturn);
dataSource.setRemoveAbandoned(removeAbandoned);
dataSource.setRemoveAbandonedTimeout(removeAbandonedTimeout);
dataSource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
dataSource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
dataSource.setNumTestsPerEvictionRun(numTestsPerEvictionRun);
for (int i = 0; i < TEST_COUNT; ++i) {
p0(dataSource, "druid", threadCount);
}
System.out.println();
}
static {
dataSource.setDriverClassName("com.mysql.jdbc.Driver");
dataSource.setUsername("flower");
dataSource.setPassword("flower");
dataSource.setUrl("jdbc:mysql://localhost:3306/flower");
dataSource.setInitialSize(5);
dataSource.setMinIdle(1);
dataSource.setPoolPreparedStatements(false);
}
public void test_concurrent_2() throws Exception {
final DruidDataSource dataSource = new DruidDataSource();
Class.forName("com.alibaba.druid.mock.MockDriver");
dataSource.setInitialSize(10);
dataSource.setMaxActive(maxPoolSize);
dataSource.setMinIdle(minPoolSize);
dataSource.setMaxIdle(maxPoolSize);
dataSource.setPoolPreparedStatements(true);
dataSource.setDriverClassName(driverClass);
dataSource.setUrl(jdbcUrl);
dataSource.setPoolPreparedStatements(true);
final int THREAD_COUNT = 2;
final int LOOP_COUNT = 1000 * 1000;
final CountDownLatch startLatch = new CountDownLatch(1);
final CountDownLatch endLatch = new CountDownLatch(THREAD_COUNT);
for (int threadIndex = 0; threadIndex < THREAD_COUNT; ++threadIndex) {
Thread thread =
new Thread() {
public void run() {
try {
startLatch.await();
for (int i = 0; i < LOOP_COUNT; ++i) {
Connection conn = dataSource.getConnection();
conn.close();
}
} catch (Throwable e) {
e.printStackTrace();
} finally {
endLatch.countDown();
}
}
};
thread.start();
}
startLatch.countDown();
endLatch.await();
Assert.assertEquals(THREAD_COUNT * LOOP_COUNT, dataSource.getConnectCount());
Assert.assertEquals(THREAD_COUNT * LOOP_COUNT, dataSource.getCloseCount());
Assert.assertEquals(0, dataSource.getConnectErrorCount());
Assert.assertEquals(0, dataSource.getActiveCount());
}
protected void setUp() throws Exception {
jdbcUrl = "jdbc:mysql://a.b.c.d:3306/dragoon_v25_masterdb";
user = "******";
password = "******";
driverClass = "com.mysql.jdbc.Driver";
dataSource = new DruidDataSource();
dataSource.setDriverClassName(driverClass);
dataSource.setUrl(jdbcUrl);
dataSource.setPoolPreparedStatements(true);
dataSource.setUsername(user);
dataSource.setPassword(password);
createTable();
}
public void test_error_12() throws Exception {
DruidPooledConnection conn = dataSource.getConnection().unwrap(DruidPooledConnection.class);
conn.close();
{
Exception error = null;
try {
dataSource.setDriverClassName("");
} catch (Exception ex) {
error = ex;
}
Assert.assertNotNull(error);
}
}
/**
* 获得一个数据源
*
* @param dsName 数据源名称，若null使用配置文件中的默认连接，此名称在配置文件中定义
* @param sshName 跳板机名称
* @throws ConnException
*/
public static synchronized DataSource getDataSource(String dsName, String sshName)
throws ConnException {
if (dbSetting == null) {
throw new ConnException("No setting found, please init it!");
}
DsSetting dsSetting = null;
try {
dsSetting = new DsSetting(dsName, sshName, dbSetting);
} catch (SettingException e) {
throw new ConnException("Init datasource setting fail！", e);
}
// 如果已经存在已有数据源（连接池）直接返回
DruidDataSource existedDataSource = dsMap.get(dsSetting.getName());
if (existedDataSource != null) {
return existedDataSource;
}
// 基本连接信息
String remoteHost = dsSetting.getString(DsSetting.KEY_DS_HOST);
int port = dsSetting.getInt(DsSetting.KEY_DS_PORT);
String dbName = dsSetting.getString(DsSetting.KEY_DS_DB);
// 验证连接信息的有效性
if (StrUtil.isBlank(remoteHost) || !SocketUtil.isValidPort(port) || StrUtil.isBlank(dbName)) {
throw new ConnException(
"Invalid connection info=>host:"
+ remoteHost
+ ", port:"
+ port
+ ", database:"
+ dbName
+ "】");
}
DruidDataSource dds = new DruidDataSource();
if (druidSetting != null) {
try {
// 连接池参数注入
druidSetting.toObject(dds);
} catch (SettingException e) {
throw new ConnException("Read Druid setting error!", e);
}
}
// 基本连接信息
dds.setName(dsSetting.getName()); // 数据源名称为连接名称
dds.setDriverClassName(dsSetting.getJdbcDriver());
dds.setUsername(dsSetting.getDsUser());
dds.setPassword(dsSetting.getDsPass());
if (dsSetting.isEnableSSH()) {
port = SSHUtil.openAndBindPortToLocal(dsSetting.getSSHConnector(), remoteHost, port);
remoteHost = SocketUtil.LOCAL_IP;
}
String jdbcUrl =
DbUtil.buildJdbcUrl(
dsSetting.getProtocol(), remoteHost, port, dbName, dsSetting.getJdbcUrlParam());
dds.setUrl(jdbcUrl);
logger.info("【{}】{}@{}", dsSetting.getName(), dds.getUsername(), jdbcUrl);
// 添加到数据源池中，以备下次使用
dsMap.put(dsSetting.getName(), dds);
return dds;
}