| package org.apache.aries.tx.control.jdbc.xa.impl; |
| |
| import static java.util.Optional.ofNullable; |
| import static java.util.concurrent.TimeUnit.HOURS; |
| import static java.util.concurrent.TimeUnit.SECONDS; |
| import static org.osgi.service.jdbc.DataSourceFactory.JDBC_URL; |
| |
| import java.sql.Driver; |
| import java.sql.SQLException; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.util.concurrent.TimeUnit; |
| |
| import javax.sql.DataSource; |
| import javax.sql.XADataSource; |
| |
| import org.apache.aries.tx.control.jdbc.common.impl.DriverDataSource; |
| import org.apache.aries.tx.control.jdbc.xa.connection.impl.XADataSourceMapper; |
| import org.osgi.service.jdbc.DataSourceFactory; |
| import org.osgi.service.transaction.control.TransactionException; |
| import org.osgi.service.transaction.control.jdbc.JDBCConnectionProvider; |
| import org.osgi.service.transaction.control.jdbc.JDBCConnectionProviderFactory; |
| |
| import com.zaxxer.hikari.HikariConfig; |
| import com.zaxxer.hikari.HikariDataSource; |
| |
| public class JDBCConnectionProviderFactoryImpl implements JDBCConnectionProviderFactory { |
| |
| @Override |
| public JDBCConnectionProvider getProviderFor(DataSourceFactory dsf, Properties jdbcProperties, |
| Map<String, Object> resourceProviderProperties) { |
| |
| boolean xaEnabled = toBoolean(resourceProviderProperties, XA_ENLISTMENT_ENABLED, true); |
| boolean localEnabled = toBoolean(resourceProviderProperties, LOCAL_ENLISTMENT_ENABLED, true); |
| boolean useDriver = toBoolean(resourceProviderProperties, USE_DRIVER, false); |
| |
| checkEnlistment(xaEnabled, localEnabled, !useDriver); |
| |
| DataSource unpooled; |
| try { |
| if (useDriver) { |
| unpooled = new DriverDataSource(dsf.createDriver(null), jdbcProperties.getProperty(JDBC_URL), |
| jdbcProperties); |
| } else if (xaEnabled) { |
| unpooled = new XADataSourceMapper(dsf.createXADataSource(jdbcProperties)); |
| } else { |
| unpooled = dsf.createDataSource(jdbcProperties); |
| } |
| } catch (SQLException sqle) { |
| throw new TransactionException("Unable to create the JDBC resource provider", sqle); |
| } |
| |
| DataSource toUse = poolIfNecessary(resourceProviderProperties, unpooled); |
| |
| return new JDBCConnectionProviderImpl(toUse, xaEnabled, localEnabled); |
| } |
| |
| @Override |
| public JDBCConnectionProvider getProviderFor(DataSource ds, Map<String, Object> resourceProviderProperties) { |
| boolean xaEnabled = toBoolean(resourceProviderProperties, XA_ENLISTMENT_ENABLED, true); |
| boolean localEnabled = toBoolean(resourceProviderProperties, LOCAL_ENLISTMENT_ENABLED, true); |
| |
| try { |
| checkEnlistment(xaEnabled, localEnabled, ds.isWrapperFor(XADataSource.class)); |
| DataSource toUse = poolIfNecessary(resourceProviderProperties, xaEnabled ? |
| new XADataSourceMapper(ds.unwrap(XADataSource.class)) : ds); |
| |
| return new JDBCConnectionProviderImpl(toUse, xaEnabled, localEnabled); |
| } catch (SQLException sqle) { |
| throw new TransactionException("Unable to create the JDBC resource provider", sqle); |
| } |
| } |
| |
| @Override |
| public JDBCConnectionProvider getProviderFor(Driver driver, Properties jdbcProperties, |
| Map<String, Object> resourceProviderProperties) { |
| |
| boolean xaEnabled = toBoolean(resourceProviderProperties, XA_ENLISTMENT_ENABLED, false); |
| boolean localEnabled = toBoolean(resourceProviderProperties, LOCAL_ENLISTMENT_ENABLED, true); |
| |
| checkEnlistment(xaEnabled, localEnabled, false); |
| |
| DataSource toUse = poolIfNecessary(resourceProviderProperties, |
| new DriverDataSource(driver, jdbcProperties.getProperty(JDBC_URL), jdbcProperties)); |
| |
| return new JDBCConnectionProviderImpl(toUse, xaEnabled, localEnabled); |
| } |
| |
| @Override |
| public JDBCConnectionProvider getProviderFor(XADataSource ds, Map<String, Object> resourceProviderProperties) { |
| |
| boolean xaEnabled = toBoolean(resourceProviderProperties, XA_ENLISTMENT_ENABLED, true); |
| boolean localEnabled = toBoolean(resourceProviderProperties, LOCAL_ENLISTMENT_ENABLED, true); |
| |
| checkEnlistment(xaEnabled, localEnabled, true); |
| |
| DataSource unpooled = new XADataSourceMapper(ds); |
| |
| return new JDBCConnectionProviderImpl(poolIfNecessary(resourceProviderProperties, unpooled), |
| xaEnabled, localEnabled); |
| } |
| |
| private void checkEnlistment(boolean xaEnabled, boolean localEnabled, boolean isXA) { |
| |
| if (!xaEnabled && !localEnabled) { |
| throw new TransactionException("The configuration supports neither local nor XA transactions"); |
| } |
| |
| if(xaEnabled && !isXA) { |
| throw new TransactionException("The configuration is XA enabled but the resource is not suitable for XA enlistment"); |
| } |
| } |
| |
| private DataSource poolIfNecessary(Map<String, Object> resourceProviderProperties, DataSource unpooled) { |
| DataSource toUse; |
| |
| if (toBoolean(resourceProviderProperties, CONNECTION_POOLING_ENABLED, true)) { |
| HikariConfig hcfg = new HikariConfig(); |
| hcfg.setDataSource(unpooled); |
| |
| // Sizes |
| hcfg.setMaximumPoolSize(toInt(resourceProviderProperties, MAX_CONNECTIONS, 10)); |
| hcfg.setMinimumIdle(toInt(resourceProviderProperties, MIN_CONNECTIONS, 10)); |
| |
| // Timeouts |
| hcfg.setConnectionTimeout(toLong(resourceProviderProperties, CONNECTION_TIMEOUT, SECONDS.toMillis(30))); |
| hcfg.setIdleTimeout(toLong(resourceProviderProperties, IDLE_TIMEOUT, TimeUnit.MINUTES.toMillis(3))); |
| hcfg.setMaxLifetime(toLong(resourceProviderProperties, CONNECTION_LIFETIME, HOURS.toMillis(3))); |
| |
| toUse = new HikariDataSource(hcfg); |
| |
| } else { |
| toUse = unpooled; |
| } |
| return toUse; |
| } |
| |
| private boolean toBoolean(Map<String, Object> props, String key, boolean defaultValue) { |
| Object o = ofNullable(props) |
| .map(m -> m.get(key)) |
| .orElse(defaultValue); |
| |
| if (o instanceof Boolean) { |
| return ((Boolean) o).booleanValue(); |
| } else if(o instanceof String) { |
| return Boolean.parseBoolean((String) o); |
| } else { |
| throw new IllegalArgumentException("The property " + key + " cannot be converted to a boolean"); |
| } |
| } |
| |
| private int toInt(Map<String, Object> props, String key, int defaultValue) { |
| |
| Object o = ofNullable(props) |
| .map(m -> m.get(key)) |
| .orElse(defaultValue); |
| |
| if (o instanceof Number) { |
| return ((Number) o).intValue(); |
| } else if(o instanceof String) { |
| return Integer.parseInt((String) o); |
| } else { |
| throw new IllegalArgumentException("The property " + key + " cannot be converted to an int"); |
| } |
| } |
| |
| private long toLong(Map<String, Object> props, String key, long defaultValue) { |
| |
| Object o = ofNullable(props) |
| .map(m -> m.get(key)) |
| .orElse(defaultValue); |
| |
| if (o instanceof Number) { |
| return ((Number) o).longValue(); |
| } else if(o instanceof String) { |
| return Long.parseLong((String) o); |
| } else { |
| throw new IllegalArgumentException("The property " + key + " cannot be converted to a long"); |
| } |
| } |
| |
| } |