Java Code Examples for org.apache.commons.dbcp.BasicDataSource#setTestWhileIdle()

The following examples show how to use org.apache.commons.dbcp.BasicDataSource#setTestWhileIdle() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: DSSMybatisConfig.java From DataSphereStudio with Apache License 2.0

5 votes

@Bean(name = "dataSource", destroyMethod = "close")
@Primary
public DataSource dataSource() {
    BasicDataSource datasource = new BasicDataSource();
    String dbUrl = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_URL.getValue();
    String username = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_USERNAME.getValue();
    String password = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_PASSWORD.getValue();
    String driverClassName = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_DRIVER_CLASS_NAME.getValue();
    int initialSize = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_INITIALSIZE.getValue();
    int minIdle = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_MINIDLE.getValue();
    int maxActive = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_MAXACTIVE.getValue();
    int maxWait = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_MAXWAIT.getValue();
    int timeBetweenEvictionRunsMillis = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_TBERM.getValue();
    int minEvictableIdleTimeMillis = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_MEITM.getValue();
    String validationQuery = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_VALIDATIONQUERY.getValue();
    boolean testWhileIdle = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_TESTWHILEIDLE.getValue();
    boolean testOnBorrow = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_TESTONBORROW.getValue();
    boolean testOnReturn = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_TESTONRETURN.getValue();
    boolean poolPreparedStatements = DSSServerConf.BDP_SERVER_MYBATIS_DATASOURCE_POOLPREPAREDSTATEMENTS.getValue();
    datasource.setUrl(dbUrl);
    datasource.setUsername(username);
    datasource.setPassword(password);
    datasource.setDriverClassName(driverClassName);
    datasource.setInitialSize(initialSize);
    datasource.setMinIdle(minIdle);
    datasource.setMaxActive(maxActive);
    datasource.setMaxWait(maxWait);
    datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
    datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
    datasource.setValidationQuery(validationQuery);
    datasource.setTestWhileIdle(testWhileIdle);
    datasource.setTestOnBorrow(testOnBorrow);
    datasource.setTestOnReturn(testOnReturn);
    datasource.setPoolPreparedStatements(poolPreparedStatements);
    logger.info("Database connection address information(数据库连接地址信息)=" + dbUrl);
    return datasource;
}

Example 2

Source File: DefaultDataSourceFactory.java From PeonyFramwork with Apache License 2.0

5 votes

@Override
    public void setAdvancedConfig(BasicDataSource ds) {
        /**
         * <!-- 配置初始化大小、最小、最大 -->
         <property name="initialSize" value="1" />
         <property name="minIdle" value="1" />
         <property name="maxActive" value="100" />

         <!-- 配置获取连接等待超时的时间 -->
         <property name="maxWait" value="10000" />

         <!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
         <property name="timeBetweenEvictionRunsMillis" value="600000" />

         <!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
         <property name="minEvictableIdleTimeMillis" value="600000" />

         <property name="testWhileIdle" value="true" />

         <!-- 这里建议配置为TRUE，防止取到的连接不可用 -->
         <property name="testOnBorrow" value="false" />
         <property name="testOnReturn" value="false" />

         <!-- 验证连接有效与否的SQL，不同的数据配置不同 -->
         <property name="validationQuery" value="select 1 " />
         */
        ds.setInitialSize(1);
        ds.setMinIdle(1);
        ds.setMaxActive(400);
        ds.setMaxWait(10000);
        ds.setTimeBetweenEvictionRunsMillis(600000);
        ds.setMinEvictableIdleTimeMillis(600000);
        ds.setTestWhileIdle(true);
        ds.setTestOnBorrow(true);
        ds.setTestOnReturn(false);
        ds.setValidationQuery("select 1");
        ds.setConnectionInitSqls(Arrays.asList("set names utf8mb4")); // 支持表情符
        // 解决 java.sql.SQLException: Already closed. 的问题（连接池会自动关闭长时间没有使用的连接）
//        ds.setValidationQuery("select 1 from dual");
    }

Example 3

Source File: DBCPDataSourceCreater.java From tangyuan2 with GNU General Public License v3.0

4 votes

private BasicDataSource createDataSource(Map<String, String> properties, String urlPattern) {
	BasicDataSource dsPool = new BasicDataSource();

	dsPool.setDriverClassName(DSPropertyUtil.getPropertyStringValue("driver", properties, null, null, true));
	dsPool.setUsername(DSPropertyUtil.getPropertyStringValue("username", properties, null, null, true));
	dsPool.setPassword(DSPropertyUtil.getPropertyStringValue("password", properties, null, null, true));

	String url = DSPropertyUtil.getPropertyStringValue("url", properties, null, null, true);
	if (null != urlPattern) {
		url = DSPropertyUtil.replace(url, "{}", urlPattern);
	}
	dsPool.setUrl(url);
	dsPool.setPoolPreparedStatements(DSPropertyUtil.getPropertyBooleanValue("poolingStatements", properties, null, true, true)); // 开启池的prepared
																																	// 池功能
	dsPool.setRemoveAbandoned(DSPropertyUtil.getPropertyBooleanValue("removeAbandoned", properties, null, true, true));
	dsPool.setRemoveAbandonedTimeout(DSPropertyUtil.getPropertyIntegerValue("removeAbandonedTimeout", properties, null, 1000, true));
	dsPool.setLogAbandoned(DSPropertyUtil.getPropertyBooleanValue("logAbandoned", properties, null, true, true));

	dsPool.setInitialSize(DSPropertyUtil.getPropertyIntegerValue("initialSize", properties, null, 2, true));
	dsPool.setMaxActive(DSPropertyUtil.getPropertyIntegerValue("maxActive", properties, null, 8, true));
	dsPool.setMaxIdle(DSPropertyUtil.getPropertyIntegerValue("maxIdle", properties, null, 8, true));
	dsPool.setMinIdle(DSPropertyUtil.getPropertyIntegerValue("minIdle", properties, null, 0, true));
	dsPool.setMaxWait(DSPropertyUtil.getPropertyIntegerValue("maxWait", properties, null, 10000, true));

	dsPool.setTimeBetweenEvictionRunsMillis(DSPropertyUtil.getPropertyIntegerValue("timeBetweenEvictionRunsMillis", properties, null, -1, true));

	dsPool.setTestOnBorrow(DSPropertyUtil.getPropertyBooleanValue("testOnBorrow", properties, null, false, true));
	dsPool.setTestOnReturn(DSPropertyUtil.getPropertyBooleanValue("testOnReturn", properties, null, false, true));
	dsPool.setTestWhileIdle(DSPropertyUtil.getPropertyBooleanValue("testWhileIdle", properties, null, false, true));

	String validationQuery = DSPropertyUtil.getPropertyStringValue("validationQuery", properties, null, null, false);
	if (null != validationQuery) {
		dsPool.setValidationQuery(validationQuery);
	}
	int timeout = DSPropertyUtil.getPropertyIntegerValue("", properties, null, -1, false);
	if (timeout > -1) {
		dsPool.setValidationQueryTimeout(timeout);
	}

	dsPool.setNumTestsPerEvictionRun(DSPropertyUtil.getPropertyIntegerValue("numTestsPerEvictionRun", properties, null, 10, true));
	dsPool.setMinEvictableIdleTimeMillis(DSPropertyUtil.getPropertyIntegerValue("minEvictableIdleTimeMillis", properties, null, 60000, true));

	// mysql:select 1
	// oracle:select 1 from dual
	// sqlserver:select 1
	// jtds:select 1

	boolean openTest = DSPropertyUtil.getPropertyBooleanValue("openTest", properties, null, false, false);
	if (openTest) {
		try {
			Connection conn = dsPool.getConnection();
			conn.close();
			log.info("test open database success.");
		} catch (Exception e) {
			throw new DataSourceException("test open database error: " + e.getMessage(), e);
		}
	}
	return dsPool;
}

Example 4

Source File: DbcpDataSourcePool.java From Zebra with Apache License 2.0

4 votes

@Override
public DataSource build(DataSourceConfig config, boolean withDefaultValue) {
	BasicDataSource dbcpDataSource = new BasicDataSource();

	dbcpDataSource.setUrl(config.getJdbcUrl());
	dbcpDataSource.setUsername(config.getUsername());
	dbcpDataSource.setPassword(config.getPassword());
	dbcpDataSource.setDriverClassName(StringUtils.isNotBlank(config.getDriverClass()) ? config.getDriverClass() : JdbcDriverClassHelper.getDriverClassNameByJdbcUrl(config.getJdbcUrl()));

	if (withDefaultValue) {
		dbcpDataSource.setInitialSize(getIntProperty(config, "initialPoolSize", 5));
		dbcpDataSource.setMaxActive(getIntProperty(config, "maxPoolSize", 30));
		dbcpDataSource.setMinIdle(getIntProperty(config, "minPoolSize", 5));
		dbcpDataSource.setMaxIdle(getIntProperty(config, "maxPoolSize", 20));
		dbcpDataSource.setMaxWait(getIntProperty(config, "checkoutTimeout", 1000));
		dbcpDataSource.setValidationQuery(getStringProperty(config, "preferredTestQuery", "SELECT 1"));
		dbcpDataSource.setMinEvictableIdleTimeMillis(getIntProperty(config, "minEvictableIdleTimeMillis", 1800000));// 30min
		dbcpDataSource.setTimeBetweenEvictionRunsMillis(getIntProperty(config, "timeBetweenEvictionRunsMillis", 30000)); // 30s
		dbcpDataSource.setRemoveAbandonedTimeout(getIntProperty(config, "removeAbandonedTimeout", 300)); // 30s
		dbcpDataSource.setNumTestsPerEvictionRun(getIntProperty(config, "numTestsPerEvictionRun", 6)); // 30s
		dbcpDataSource.setValidationQueryTimeout(getIntProperty(config, "validationQueryTimeout", 0));
		if (StringUtils.isNotBlank(getStringProperty(config, "connectionInitSql", null))) {
			List<String> initSqls = new ArrayList<String>();
			initSqls.add(getStringProperty(config, "connectionInitSql", null));
			dbcpDataSource.setConnectionInitSqls(initSqls);
		}

		dbcpDataSource.setTestWhileIdle(true);
		dbcpDataSource.setTestOnBorrow(false);
		dbcpDataSource.setTestOnReturn(false);
		dbcpDataSource.setRemoveAbandoned(true);

	} else {
		try {
			PropertiesInit<BasicDataSource> propertiesInit = new PropertiesInit<BasicDataSource>(dbcpDataSource);
			propertiesInit.initPoolProperties(config);
		} catch (Exception e) {
			throw new ZebraConfigException(String.format("dbcp2 dataSource [%s] created error : ", config.getId()),
					e);
		}
	}

	this.pool = dbcpDataSource;
	LOGGER.info(String.format("New dataSource [%s] created.", config.getId()));

	return this.pool;
}

Example 5

Source File: MySQLDataSources.java From pinlater with Apache License 2.0

4 votes

private static DataSource createDataSource(
    String host, int port, String user, String passwd, int poolSize,
    int maxWaitMillis, int socketTimeoutMillis) {
  BasicDataSource dataSource = new BasicDataSource();
  dataSource.setDriverClassName("com.mysql.jdbc.Driver");
  dataSource.setUrl(String.format(
      "jdbc:mysql://%s:%d?"
          + "connectTimeout=5000&"
          + "socketTimeout=%d&"
          + "enableQueryTimeouts=false&"
          + "cachePrepStmts=true&"
          + "characterEncoding=UTF-8",
      host,
      port,
      socketTimeoutMillis));
  dataSource.setUsername(user);
  dataSource.setPassword(passwd);
  dataSource.setDefaultAutoCommit(true);
  dataSource.setInitialSize(poolSize);
  dataSource.setMaxActive(poolSize);
  dataSource.setMaxIdle(poolSize);
  // deal with idle connection eviction
  dataSource.setValidationQuery("SELECT 1 FROM DUAL");
  dataSource.setTestOnBorrow(false);
  dataSource.setTestOnReturn(false);
  dataSource.setTestWhileIdle(true);
  dataSource.setMinEvictableIdleTimeMillis(5 * 60 * 1000);
  dataSource.setTimeBetweenEvictionRunsMillis(3 * 60 * 1000);
  dataSource.setNumTestsPerEvictionRun(poolSize);
  // max wait in milliseconds for a connection.
  dataSource.setMaxWait(maxWaitMillis);
  // force connection pool initialization.
  Connection conn = null;
  try {
    // Here not getting the connection from ThreadLocal no need to worry about that.
    conn = dataSource.getConnection();
  } catch (SQLException e) {
    LOG.error(
        String.format("Failed to get a mysql connection when creating DataSource, "
            + "host: %s, port: %d", host, port),
        e);
  } finally {
    JdbcUtils.closeConnection(conn);
  }
  return dataSource;
}