Java ComboPooledDataSource.getMaxPoolSize方法代碼示例

本文整理匯總了Java中com.mchange.v2.c3p0.ComboPooledDataSource.getMaxPoolSize方法的典型用法代碼示例。如果您正苦於以下問題：Java ComboPooledDataSource.getMaxPoolSize方法的具體用法？Java ComboPooledDataSource.getMaxPoolSize怎麽用？Java ComboPooledDataSource.getMaxPoolSize使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類com.mchange.v2.c3p0.ComboPooledDataSource的用法示例。

在下文中一共展示了ComboPooledDataSource.getMaxPoolSize方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: getMaxConnectionsNumber

import com.mchange.v2.c3p0.ComboPooledDataSource; //導入方法依賴的package包/類
@Override
public int getMaxConnectionsNumber(DataSource dataSource) {
	try {
		ComboPooledDataSource ds = (ComboPooledDataSource)dataSource;
		return ds.getMaxPoolSize();
	} catch (Exception e) {
		if(logger.isDebugEnabled()){
			logger.debug(" query C3P0 datasource="+dataSource+" max connections number fail");
		}
		return IllegalNumber;
	}
}

開發者ID:sogou-biztech，項目名稱:compass，代碼行數:13，代碼來源:C3P0DatabasePropertiesReteriver.java

示例2: initDataSource

import com.mchange.v2.c3p0.ComboPooledDataSource; //導入方法依賴的package包/類
/**
 * Initializes the connection pool.
 * @param dbSpec the object representing the chosen DB target system.
 * @param jdbcUrl the JDBC URL to connect to.
 * @throws SQLException 
 */
private static void initDataSource(DBSpecifics dbSpec, String jdbcUrl)
throws SQLException {

    dataSource = new ComboPooledDataSource();
    String username = Settings.get(ArchiveSettings.DB_USERNAME);
    if (!username.isEmpty()) {
        dataSource.setUser(username);
    }
    String password = Settings.get(ArchiveSettings.DB_PASSWORD);
    if (!password.isEmpty()) {
        dataSource.setPassword(password);
    }
    try {
        dataSource.setDriverClass(dbSpec.getDriverClassName());
    } catch (PropertyVetoException e) {
        final String message =
            "Failed to set datasource JDBC driver class '"
            + dbSpec.getDriverClassName() + "'" + "\n";
        throw new IOFailure(message, e);
    }
    dataSource.setJdbcUrl(jdbcUrl);

    // Configure pool size
    dataSource.setMinPoolSize(
            Settings.getInt(ArchiveSettings.DB_POOL_MIN_SIZE));
    dataSource.setMaxPoolSize(
            Settings.getInt(ArchiveSettings.DB_POOL_MAX_SIZE));
    dataSource.setAcquireIncrement(
            Settings.getInt(ArchiveSettings.DB_POOL_ACQ_INC));

    // Configure idle connection testing
    int testPeriod =
        Settings.getInt(ArchiveSettings.DB_POOL_IDLE_CONN_TEST_PERIOD);
    if (testPeriod > 0) {
        dataSource.setIdleConnectionTestPeriod(testPeriod);
        dataSource.setTestConnectionOnCheckin(
                Settings.getBoolean(
                        ArchiveSettings.DB_POOL_IDLE_CONN_TEST_ON_CHECKIN));
        String testQuery =
            Settings.get(ArchiveSettings.DB_POOL_IDLE_CONN_TEST_QUERY);
        if (!testQuery.isEmpty()) {
            dataSource.setPreferredTestQuery(testQuery);
        }
    }

    // Configure statement pooling
    dataSource.setMaxStatements(
            Settings.getInt(ArchiveSettings.DB_POOL_MAX_STM));
    dataSource.setMaxStatementsPerConnection(
            Settings.getInt(ArchiveSettings.DB_POOL_MAX_STM_PER_CONN));

    if (log.isInfoEnabled()) {
        String msg = 
                "Connection pool initialized with the following values:";
        msg += "\n- minPoolSize=" + dataSource.getMinPoolSize();
        msg += "\n- maxPoolSize=" + dataSource.getMaxPoolSize();
        msg += "\n- acquireIncrement=" + dataSource.getAcquireIncrement();
        msg += "\n- maxStatements=" + dataSource.getMaxStatements();
        msg += "\n- maxStatementsPerConnection="
            + dataSource.getMaxStatementsPerConnection();
        msg += "\n- idleConnTestPeriod="
            + dataSource.getIdleConnectionTestPeriod();
        msg += "\n- idleConnTestQuery='"
            + dataSource.getPreferredTestQuery() + "'";
        msg += "\n- idleConnTestOnCheckin="
            + dataSource.isTestConnectionOnCheckin();
        log.info(msg.toString());
    }
}

開發者ID:netarchivesuite，項目名稱:netarchivesuite-svngit-migration，代碼行數:76，代碼來源:ArchiveDBConnection.java

示例3: initDataSource

import com.mchange.v2.c3p0.ComboPooledDataSource; //導入方法依賴的package包/類
/**
 * Initializes the connection pool.
 * @param dbSpec the object representing the chosen DB target system.
 * @param jdbcUrl the JDBC URL to connect to.
 * @throws SQLException 
 */
private static void initDataSource(DBSpecifics dbSpec, String jdbcUrl)
throws SQLException {

    dataSource = new ComboPooledDataSource();
    try {
        dataSource.setDriverClass(dbSpec.getDriverClassName());
    } catch (PropertyVetoException e) {
        final String message =
            "Failed to set datasource JDBC driver class '"
            + dbSpec.getDriverClassName() + "'" + "\n";
        throw new IOFailure(message, e);
    }
    dataSource.setJdbcUrl(jdbcUrl);
    String username = Settings.get(CommonSettings.DB_USERNAME);
    if (!username.isEmpty()) {
        dataSource.setUser(username);
    }
    String password = Settings.get(CommonSettings.DB_PASSWORD);
    if (!password.isEmpty()) {
        dataSource.setPassword(password);
    }
    // Configure pool size
    dataSource.setMinPoolSize(
            Settings.getInt(CommonSettings.DB_POOL_MIN_SIZE));
    dataSource.setMaxPoolSize(
            Settings.getInt(CommonSettings.DB_POOL_MAX_SIZE));
    dataSource.setAcquireIncrement(
            Settings.getInt(CommonSettings.DB_POOL_ACQ_INC));

    // Configure idle connection testing
    int testPeriod =
        Settings.getInt(CommonSettings.DB_POOL_IDLE_CONN_TEST_PERIOD);
    //TODO This looks odd. Why is checkin-testing inside this if statement?
    if (testPeriod > 0) {
        dataSource.setIdleConnectionTestPeriod(testPeriod);
        dataSource.setTestConnectionOnCheckin(
                Settings.getBoolean(
                        CommonSettings.DB_POOL_IDLE_CONN_TEST_ON_CHECKIN));
        String testQuery =
            Settings.get(CommonSettings.DB_POOL_IDLE_CONN_TEST_QUERY);
        if (!testQuery.isEmpty()) {
            dataSource.setPreferredTestQuery(testQuery);
        }
    }

    // Configure statement pooling
    dataSource.setMaxStatements(
            Settings.getInt(CommonSettings.DB_POOL_MAX_STM));
    dataSource.setMaxStatementsPerConnection(
            Settings.getInt(CommonSettings.DB_POOL_MAX_STM_PER_CONN));

    //dataSource.setTestConnectionOnCheckout(true);
    //dataSource.setBreakAfterAcquireFailure(false);
    //dataSource.setAcquireRetryAttempts(10000);
    //dataSource.setAcquireRetryDelay(10);

    if (log.isInfoEnabled()) {
        String msg = 
                "Connection pool initialized with the following values:";
        msg += "\n- minPoolSize=" + dataSource.getMinPoolSize();
        msg += "\n- maxPoolSize=" + dataSource.getMaxPoolSize();
        msg += "\n- acquireIncrement=" + dataSource.getAcquireIncrement();
        msg += "\n- maxStatements=" + dataSource.getMaxStatements();
        msg += "\n- maxStatementsPerConnection="
            + dataSource.getMaxStatementsPerConnection();
        msg += "\n- idleConnTestPeriod="
            + dataSource.getIdleConnectionTestPeriod();
        msg += "\n- idleConnTestQuery='"
            + dataSource.getPreferredTestQuery() + "'";
        msg += "\n- idleConnTestOnCheckin="
            + dataSource.isTestConnectionOnCheckin();
        log.info(msg.toString());
    }
}

開發者ID:netarchivesuite，項目名稱:netarchivesuite-svngit-migration，代碼行數:81，代碼來源:HarvestDBConnection.java

注：本文中的com.mchange.v2.c3p0.ComboPooledDataSource.getMaxPoolSize方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。