Example usage for org.apache.commons.dbcp BasicDataSource setMinIdle

Introduction

In this page you can find the example usage for org.apache.commons.dbcp BasicDataSource setMinIdle.

Prototype

public synchronized void setMinIdle(int minIdle) 

Source Link

Document

Sets the minimum number of idle connections in the pool.

Usage

From source file:com.alibaba.cobar.manager.test.ConnectionTest.java

/**
 * @param args/*w w  w.  j  a v  a 2s. co  m*/
 */
public static void main(String[] args) {
    try {
        BasicDataSource ds = new BasicDataSource();
        ds.setUsername("test");
        ds.setPassword("");
        ds.setUrl("jdbc:mysql://10.20.153.178:9066/");
        ds.setDriverClassName("com.mysql.jdbc.Driver");
        ds.setMaxActive(-1);
        ds.setMinIdle(0);
        ds.setTimeBetweenEvictionRunsMillis(600000);
        ds.setNumTestsPerEvictionRun(Integer.MAX_VALUE);
        ds.setMinEvictableIdleTimeMillis(GenericObjectPool.DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS);
        Connection conn = ds.getConnection();

        Statement stm = conn.createStatement();
        stm.execute("show @@version");

        ResultSet rst = stm.getResultSet();
        rst.next();
        String version = rst.getString("VERSION");

        System.out.println(version);

    } catch (Exception exception) {
        System.out.println("10.20.153.178:9066   " + exception.getMessage() + exception);
    }
}

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From source file:com.google.gerrit.server.schema.H2AccountPatchReviewStore.java

private static DataSource createDataSource(String url) {
    BasicDataSource datasource = new BasicDataSource();
    datasource.setDriverClassName("org.h2.Driver");
    datasource.setUrl(url);/*from w ww. j  a  v a2 s .c o m*/
    datasource.setMaxActive(50);
    datasource.setMinIdle(4);
    datasource.setMaxIdle(16);
    long evictIdleTimeMs = 1000 * 60;
    datasource.setMinEvictableIdleTimeMillis(evictIdleTimeMs);
    datasource.setTimeBetweenEvictionRunsMillis(evictIdleTimeMs / 2);
    return datasource;
}

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From source file:com.weibo.datasys.parser.sql.DBConnectionFactory.java

public static void init() {
    BasicDataSource dataSource = new BasicDataSource();
    dataSource.setDriverClassName(ConfigFactory.getString("jdbc.driverClassName"));
    dataSource.setUrl(ConfigFactory.getString("jdbc.url"));
    dataSource.setUsername(ConfigFactory.getString("jdbc.username"));
    dataSource.setPassword(ConfigFactory.getString("jdbc.password"));

    dataSource.setInitialSize(ConfigFactory.getInt("jdbc.initialSize", 1));
    dataSource.setMinIdle(ConfigFactory.getInt("jdbc.minIdle", 2));
    dataSource.setMaxIdle(ConfigFactory.getInt("jdbc.maxIdle", 10));
    dataSource.setMaxWait(ConfigFactory.getInt("jdbc.maxWait", 1000));
    dataSource.setMaxActive(ConfigFactory.getInt("jdbc.maxActive", 2));
    dataSource.addConnectionProperty("autoReconnect", "true");
    // ??/*  w  w  w  .ja  va 2 s . c  om*/
    dataSource.setTestWhileIdle(true);
    // ?sql?
    dataSource.setValidationQuery("select 'test'");
    // ?
    dataSource.setValidationQueryTimeout(5000);
    // 
    dataSource.setTimeBetweenEvictionRunsMillis(3600000);
    // ??
    dataSource.setMinEvictableIdleTimeMillis(3600000);

    ds = dataSource;
}

---

From source file:com.gs.obevo.db.impl.core.jdbc.JdbcDataSourceFactory.java

private static DataSource createFromJdbcUrl(Class<? extends Driver> driverClass, String url,
        Credential credential, int numThreads, ImmutableList<String> initSqls,
        Properties extraConnectionProperties) {
    BasicDataSource dataSource = new BasicDataSource();
    dataSource.setDriverClassName(driverClass.getName());
    dataSource.setUrl(url);/*w  w w . j  av  a  2 s. c  om*/
    dataSource.setUsername(credential.getUsername());
    dataSource.setPassword(credential.getPassword());

    // connection pool settings
    dataSource.setInitialSize(numThreads);
    dataSource.setMaxActive(numThreads);
    // keep the connections open if possible; only close them via the removeAbandonedTimeout feature
    dataSource.setMaxIdle(numThreads);
    dataSource.setMinIdle(0);
    dataSource.setRemoveAbandonedTimeout(300);

    dataSource.setConnectionInitSqls(initSqls.castToList());
    if (extraConnectionProperties != null) {
        for (String key : extraConnectionProperties.stringPropertyNames()) {
            dataSource.addConnectionProperty(key, extraConnectionProperties.getProperty(key));
        }
    }

    return dataSource;
}

---

From source file:net.sf.taverna.t2.provenance.api.ProvenanceAccess.java

/**
 * Initialises a named JNDI DataSource if not already set up externally.
 * The DataSource is named jdbc/taverna//from  w  ww .j av  a  2s.  c om
 *
 * @param driverClassName - the classname for the driver to be used.
 * @param jdbcUrl - the jdbc connection url
 * @param username - the username, if required (otherwise null)
 * @param password - the password, if required (oteherwise null)
 * @param minIdle - if the driver supports multiple connections, then the minumum number of idle connections in the pool
 * @param maxIdle - if the driver supports multiple connections, then the maximum number of idle connections in the pool
 * @param maxActive - if the driver supports multiple connections, then the minumum number of connections in the pool
 */
public static void initDataSource(String driverClassName, String jdbcUrl, String username, String password,
        int minIdle, int maxIdle, int maxActive) {
    System.setProperty(Context.INITIAL_CONTEXT_FACTORY, "org.osjava.sj.memory.MemoryContextFactory");
    System.setProperty("org.osjava.sj.jndi.shared", "true");

    BasicDataSource ds = new BasicDataSource();
    ds.setDriverClassName(driverClassName);
    ds.setDefaultTransactionIsolation(Connection.TRANSACTION_READ_UNCOMMITTED);
    ds.setMaxActive(maxActive);
    ds.setMinIdle(minIdle);
    ds.setMaxIdle(maxIdle);
    ds.setDefaultAutoCommit(true);
    if (username != null) {
        ds.setUsername(username);
    }
    if (password != null) {
        ds.setPassword(password);
    }

    ds.setUrl(jdbcUrl);

    InitialContext context;
    try {
        context = new InitialContext();
        context.rebind("jdbc/taverna", ds);
    } catch (NamingException ex) {
        logger.error("Problem rebinding the jdbc context: " + ex);
    }

}

---

From source file:com.pinterest.deployservice.db.DatabaseUtil.java

/**
 * Create a MySQL datasource.//from ww w .  j a va 2  s  .c  o  m
 *
 * @param url             the url of the DB.
 * @param user            the user name to connect to MySQL as.
 * @param passwd          the password for the corresponding MySQL user.
 * @param poolSize        the connection pool size string, in the format of
 *                        initialSize:maxActive:maxIdle:minIdle.
 * @param maxWaitInMillis the max wait time in milliseconds to get a connection from the pool.
 * @return a BasicDataSource for the target MySQL instance.
 */
public static BasicDataSource createDataSource(String driverClassName, String url, String user, String passwd,
        String poolSize, int maxWaitInMillis) {
    BasicDataSource dataSource = new BasicDataSource();
    dataSource.setDriverClassName(driverClassName);
    dataSource.setUrl(url);
    dataSource.setUsername(user);
    dataSource.setPassword(passwd);
    dataSource.setDefaultAutoCommit(true);
    dataSource.setDefaultReadOnly(false);

    // poolSize parsing, the poolsize string passed in the following format
    // initialSize:maxActive:maxIdle:minIdle
    String[] sizeStrs = poolSize.split(":");
    dataSource.setInitialSize(Integer.parseInt(sizeStrs[0]));
    dataSource.setMaxActive(Integer.parseInt(sizeStrs[1]));
    dataSource.setMaxIdle(Integer.parseInt(sizeStrs[2]));
    dataSource.setMinIdle(Integer.parseInt(sizeStrs[3]));

    dataSource.setValidationQuery("SELECT 1");
    dataSource.setTestOnBorrow(true);
    dataSource.setTestOnReturn(false);
    dataSource.setTestWhileIdle(true);
    dataSource.setMinEvictableIdleTimeMillis(5 * 60 * 1000);
    dataSource.setTimeBetweenEvictionRunsMillis(3 * 60 * 1000);
    // dataSource.setNumTestsPerEvictionRun(3);
    // max wait in milliseconds for a connection.
    dataSource.setMaxWait(maxWaitInMillis);

    // 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 db connection when creating DataSource, url = %s", url), e);
    } finally {
        DbUtils.closeQuietly(conn);
    }
    return dataSource;
}

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From source file:com.weibo.datasys.common.db.DBManager.java

/**
 * //from  w w w  .  j  a  v  a 2  s .c  o m
 * ?????
 * 
 * @param configData
 */
private static void initDataSource(CommonData configData) {
    String dsname = configData.getBaseField("dsname");

    BasicDataSource dataSource = new BasicDataSource();
    // ??
    dataSource.setDriverClassName(configData.getBaseField("driverClassName"));
    // ??
    dataSource.setUrl(configData.getBaseField("connectURL"));
    // ???
    dataSource.setUsername(configData.getBaseField("username"));
    dataSource.setPassword(configData.getBaseField("password"));
    // ?
    dataSource.setInitialSize(StringUtils.parseInt(configData.getBaseField("initialSize"), 1));
    // ?
    dataSource.setMinIdle(StringUtils.parseInt(configData.getBaseField("minIdle"), 1));
    // 
    dataSource.setMaxIdle(StringUtils.parseInt(configData.getBaseField("maxIdle"), 1));
    // 
    dataSource.setMaxActive(StringUtils.parseInt(configData.getBaseField("maxActive"), 1));
    // ?,?(ms)
    dataSource.setMaxWait(StringUtils.parseInt(configData.getBaseField("maxWait"), 1000));

    // ??
    dataSource.setTestWhileIdle(true);
    // ?sql?
    dataSource.setValidationQuery("select 'test'");
    // ?
    dataSource.setValidationQueryTimeout(5000);
    // 
    dataSource.setTimeBetweenEvictionRunsMillis(3600000);
    // ??
    dataSource.setMinEvictableIdleTimeMillis(3600000);

    dsMap.put(dsname, dataSource);

    logger.info("[InitDataSourceOK] - dsname={}", dsname);
}

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From source file:com.alibaba.cobar.manager.qa.modle.CobarFactory.java

public static CobarAdapter getCobarAdapter(String cobarNodeName) throws IOException {
    CobarAdapter cAdapter = new CobarAdapter();
    Properties prop = new Properties();
    prop.load(CobarFactory.class.getClassLoader().getResourceAsStream("cobarNode.properties"));
    BasicDataSource ds = new BasicDataSource();
    String user = prop.getProperty(cobarNodeName + ".user").trim();
    String password = prop.getProperty(cobarNodeName + ".password").trim();
    String ip = prop.getProperty(cobarNodeName + ".ip").trim();
    int managerPort = Integer.parseInt(prop.getProperty(cobarNodeName + ".manager.port").trim());
    int maxActive = -1;
    int minIdle = 0;
    long timeBetweenEvictionRunsMillis = 10 * 60 * 1000;
    int numTestsPerEvictionRun = Integer.MAX_VALUE;
    long minEvictableIdleTimeMillis = GenericObjectPool.DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS;
    ds.setUsername(user);//from w ww. j a  v  a  2 s . c  o m
    ds.setPassword(password);
    ds.setUrl(new StringBuilder().append("jdbc:mysql://").append(ip).append(":").append(managerPort).append("/")
            .toString());
    ds.setDriverClassName("com.mysql.jdbc.Driver");
    ds.setMaxActive(maxActive);
    ds.setMinIdle(minIdle);
    ds.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
    ds.setNumTestsPerEvictionRun(numTestsPerEvictionRun);
    ds.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);

    cAdapter.setDataSource(ds);
    return cAdapter;
}

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From source file:com.alibaba.druid.benckmark.pool.Oracle_Case0.java

public void test_1() throws Exception {
    final BasicDataSource dataSource = new BasicDataSource();

    dataSource.setInitialSize(initialSize);
    dataSource.setMaxActive(maxActive);/*from ww  w.  j  ava 2s.  com*/
    dataSource.setMinIdle(minPoolSize);
    dataSource.setMaxIdle(maxPoolSize);
    dataSource.setPoolPreparedStatements(true);
    dataSource.setDriverClassName(driverClass);
    dataSource.setUrl(jdbcUrl);
    dataSource.setPoolPreparedStatements(true);
    dataSource.setUsername(user);
    dataSource.setPassword(password);
    dataSource.setValidationQuery(validationQuery);
    dataSource.setTestOnBorrow(true);

    for (int i = 0; i < LOOP_COUNT; ++i) {
        p0(dataSource, "dbcp");
    }
    System.out.println();
}

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From source file:edu.tamu.tcat.oss.account.test.mock.MockDataSource.java

public void activate() {
    try {/*from   w  w  w. j  a  v a 2 s  .co m*/

        String url = props.getPropertyValue(PROP_URL, String.class);
        String user = props.getPropertyValue(PROP_USER, String.class);
        String pass = props.getPropertyValue(PROP_PASS, String.class);

        Objects.requireNonNull(url, "Database connection URL not supplied");
        Objects.requireNonNull(user, "Database username not supplied");
        Objects.requireNonNull(pass, "Database password not supplied");

        int maxActive = getIntValue(props, PROP_MAX_ACTIVE, 30);
        int maxIdle = getIntValue(props, PROP_MAX_IDLE, 3);
        int minIdle = getIntValue(props, PROP_MIN_IDLE, 0);
        int minEviction = getIntValue(props, PROP_MIN_EVICTION, 10 * 1000);
        int betweenEviction = getIntValue(props, PROP_BETWEEN_EVICTION, 100);

        PostgreSqlDataSourceFactory factory = new PostgreSqlDataSourceFactory();
        PostgreSqlPropertiesBuilder builder = factory.getPropertiesBuilder().create(url, user, pass);
        dataSource = factory.getDataSource(builder.getProperties());

        //HACK: should add this API to the properties builder instead of downcasting and overriding
        {
            BasicDataSource basic = (BasicDataSource) dataSource;

            basic.setMaxActive(maxActive);
            basic.setMaxIdle(maxIdle);
            basic.setMinIdle(minIdle);
            basic.setMinEvictableIdleTimeMillis(minEviction);
            basic.setTimeBetweenEvictionRunsMillis(betweenEviction);
        }

        this.executor = Executors.newSingleThreadExecutor();
    } catch (Exception e) {
        throw new IllegalStateException("Failed initializing data source", e);
    }
}

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