Example usage for org.apache.commons.dbcp2 BasicDataSource setEvictionPolicyClassName

List of usage examples for org.apache.commons.dbcp2 BasicDataSource setEvictionPolicyClassName

Introduction

In this page you can find the example usage for org.apache.commons.dbcp2 BasicDataSource setEvictionPolicyClassName.

Prototype

public synchronized void setEvictionPolicyClassName(String evictionPolicyClassName) 

Source Link

Document

Sets the EvictionPolicy implementation to use with this connection pool.

Usage

From source file:org.lib4j.dbcp.DataSources.java

/**
 * Create a <code>BasicDataSource</code> given a dbcp JAXB binding.
 *
 * @param dbcp JAXB dbcp binding.// w ww. j a v a2s  . c o m
 * @param driverClassLoader Class loader to be used to load the JDBC driver.
 * @return the <code>BasicDataSource</code> instance.
 * @throws SQLException If a database access error occurs.
 */
public static BasicDataSource createDataSource(final Dbcp dbcp, final ClassLoader driverClassLoader)
        throws SQLException {
    final BasicDataSource dataSource = new BasicDataSource();

    final Dbcp.Jdbc jdbc = dbcp.getJdbc();
    dataSource.setDriverClassName(jdbc.getDriverClassName());
    dataSource.setDriverClassLoader(driverClassLoader);

    dataSource.setUrl(jdbc.getUrl());

    dataSource.setUsername(jdbc.getUsername());
    dataSource.setPassword(jdbc.getPassword());

    final Dbcp.Default _default = dbcp.getDefault();
    if (_default != null && _default.getCatalog() != null)
        dataSource.setDefaultCatalog(_default.getCatalog());

    dataSource.setDefaultAutoCommit(
            _default == null || _default.getAutoCommit() == null || _default.getAutoCommit());
    dataSource.setDefaultReadOnly(_default != null && _default.getReadOnly() != null && _default.getReadOnly());
    if (_default != null && _default.getQueryTimeout() != null)
        dataSource.setDefaultQueryTimeout(_default.getQueryTimeout());

    if (_default != null && _default.getTransactionIsolation() != null) {
        if ("NONE".equals(_default.getTransactionIsolation()))
            dataSource.setDefaultTransactionIsolation(Connection.TRANSACTION_NONE);
        else if ("READ_COMMITTED".equals(_default.getTransactionIsolation()))
            dataSource.setDefaultTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED);
        else if ("READ_UNCOMMITTED".equals(_default.getTransactionIsolation()))
            dataSource.setDefaultTransactionIsolation(Connection.TRANSACTION_READ_UNCOMMITTED);
        else if ("REPEATABLE_READ".equals(_default.getTransactionIsolation()))
            dataSource.setDefaultTransactionIsolation(Connection.TRANSACTION_REPEATABLE_READ);
        else if ("SERIALIZABLE".equals(_default.getTransactionIsolation()))
            dataSource.setDefaultTransactionIsolation(Connection.TRANSACTION_SERIALIZABLE);
        else
            throw new UnsupportedOperationException(
                    "Unsupported transaction isolation: " + _default.getTransactionIsolation());
    }

    final Dbcp.Connection connection = dbcp.getConnection();
    if (connection != null) {
        if (connection.getProperties() != null)
            for (final Dbcp.Connection.Properties.Property property : connection.getProperties().getProperty())
                if (property.getName() != null && property.getValue() != null)
                    dataSource.addConnectionProperty(property.getName(), property.getValue());

        if (connection.getInitSqls() != null) {
            final List<String> initSqls = new ArrayList<>();
            for (final String initSql : connection.getInitSqls().getInitSql())
                initSqls.add(initSql);

            dataSource.setConnectionInitSqls(initSqls);
        }
    }

    final Dbcp.Size size = dbcp.getSize();
    dataSource.setInitialSize(size == null || size.getInitialSize() == null ? 0 : size.getInitialSize());
    dataSource.setMaxTotal(size == null || size.getMaxTotal() == null ? 8
            : INDEFINITE.equals(size.getMaxTotal()) ? -1 : Integer.parseInt(size.getMaxTotal()));
    dataSource.setMaxIdle(size == null || size.getMaxIdle() == null ? 8
            : INDEFINITE.equals(size.getMaxIdle()) ? -1 : Integer.parseInt(size.getMaxIdle()));
    dataSource.setMinIdle(size == null || size.getMinIdle() == null ? 9 : size.getMinIdle());
    if (size == null || size.getMaxOpenPreparedStatements() == null
            || INDEFINITE.equals(size.getMaxOpenPreparedStatements())) {
        dataSource.setPoolPreparedStatements(false);
    } else {
        dataSource.setPoolPreparedStatements(true);
        dataSource.setMaxOpenPreparedStatements(Integer.parseInt(size.getMaxOpenPreparedStatements()));
    }

    final Dbcp.Pool pool = dbcp.getPool();
    if (pool == null || pool.getQueue() == null || "lifo".equals(pool.getQueue()))
        dataSource.setLifo(true);
    else if ("fifo".equals(pool.getQueue()))
        dataSource.setLifo(false);
    else
        throw new UnsupportedOperationException("Unsupported queue spec: " + pool.getQueue());

    dataSource.setCacheState(pool != null && pool.getCacheState() != null && pool.getCacheState());
    dataSource.setMaxWaitMillis(
            pool == null || pool.getMaxWait() != null || INDEFINITE.equals(pool.getMaxWait()) ? -1
                    : Long.parseLong(pool.getMaxWait()));
    dataSource.setMaxConnLifetimeMillis(pool == null || pool.getMaxConnectionLifetime() == null
            || INDEFINITE.equals(pool.getMaxConnectionLifetime()) ? 0
                    : Long.parseLong(pool.getMaxConnectionLifetime()));
    dataSource.setEnableAutoCommitOnReturn(_default == null || pool.getEnableAutoCommitOnReturn() == null
            || pool.getEnableAutoCommitOnReturn());
    dataSource.setRollbackOnReturn(
            pool == null || pool.getRollbackOnReturn() == null || pool.getRollbackOnReturn());
    if (pool != null && pool.getRemoveAbandoned() != null) {
        if ("borrow".equals(pool.getRemoveAbandoned().getOn()))
            dataSource.setRemoveAbandonedOnBorrow(true);
        else if ("maintenance".equals(pool.getRemoveAbandoned().getOn()))
            dataSource.setRemoveAbandonedOnMaintenance(true);
        else
            throw new UnsupportedOperationException(
                    "Unsupported remove abandoned spec: " + pool.getRemoveAbandoned().getOn());

        dataSource.setRemoveAbandonedTimeout(pool.getRemoveAbandoned().getTimeout());
    }

    dataSource.setAbandonedUsageTracking(
            pool != null && pool.getAbandonedUsageTracking() != null && pool.getAbandonedUsageTracking());
    dataSource.setAccessToUnderlyingConnectionAllowed(
            pool != null && pool.getAllowAccessToUnderlyingConnection() != null
                    && pool.getAllowAccessToUnderlyingConnection());

    final Dbcp.Pool.Eviction evictor = pool != null && pool.getEviction() != null ? pool.getEviction() : null;
    if (evictor != null) {
        dataSource.setTimeBetweenEvictionRunsMillis(evictor.getTimeBetweenRuns());
        dataSource.setNumTestsPerEvictionRun(evictor.getNumTestsPerRun());
        dataSource.setMinEvictableIdleTimeMillis(
                evictor.getMinIdleTime() == null ? 1800000 : evictor.getMinIdleTime());
        dataSource.setSoftMinEvictableIdleTimeMillis(
                evictor.getSoftMinIdleTime() == null || INDEFINITE.equals(evictor.getSoftMinIdleTime()) ? -1
                        : Long.parseLong(evictor.getSoftMinIdleTime()));
        if (evictor.getPolicyClassName() != null)
            dataSource.setEvictionPolicyClassName(evictor.getPolicyClassName());
    }

    final Dbcp.Validation validation = dbcp.getValidation();
    if (validation != null && validation.getQuery() != null)
        dataSource.setValidationQuery(validation.getQuery());

    dataSource.setTestOnBorrow(
            validation == null || validation.getTestOnBorrow() == null || validation.getTestOnBorrow());
    dataSource.setTestOnReturn(
            validation != null && validation.getTestOnReturn() != null && validation.getTestOnReturn());
    dataSource.setTestWhileIdle(
            validation != null && validation.getTestWhileIdle() != null && validation.getTestWhileIdle());
    if (validation != null && validation.getFastFail() != null) {
        dataSource.setFastFailValidation(true);
        if (validation.getFastFail().getDisconnectionSqlCodes() != null)
            dataSource.setDisconnectionSqlCodes(
                    Arrays.asList(validation.getFastFail().getDisconnectionSqlCodes().split(" ")));
    }

    final Dbcp.Logging logging = dbcp.getLogging();
    if (logging != null) {
        final Logger logger = LoggerFactory.getLogger(DataSources.class);
        final LoggerPrintWriter loggerPrintWriter = new LoggerPrintWriter(logger,
                Level.valueOf(logging.getLevel().toString()));
        dataSource.setLogWriter(loggerPrintWriter);
        dataSource.setLogExpiredConnections(logging.isLogExpiredConnections());
        if (logging.isLogAbandoned()) {
            dataSource.setAbandonedLogWriter(loggerPrintWriter);
            dataSource.setLogAbandoned(true);
        }
    }

    return dataSource;
}