@Test
public void testGetJdbcCompliant() throws SQLException {
when(driver.jdbcCompliant()).thenReturn(true).thenReturn(false);
assertTrue(lazyDelegatingDriver.acceptsURL(testUrl));
assertTrue(lazyDelegatingDriver.jdbcCompliant());
assertFalse(lazyDelegatingDriver.jdbcCompliant());
}
/** {@inheritDoc} */
@Override
public void deploy(final DeploymentPhaseContext phaseContext)
throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final Module module = deploymentUnit.getAttachment(Attachments.MODULE);
final ServicesAttachment servicesAttachment =
deploymentUnit.getAttachment(Attachments.SERVICES);
if (module != null && servicesAttachment != null) {
final ModuleClassLoader classLoader = module.getClassLoader();
final List<String> driverNames =
servicesAttachment.getServiceImplementations(Driver.class.getName());
for (String driverClassName : driverNames) {
try {
final Class<? extends Driver> driverClass =
classLoader.loadClass(driverClassName).asSubclass(Driver.class);
final Constructor<? extends Driver> constructor = driverClass.getConstructor();
final Driver driver = constructor.newInstance();
final int majorVersion = driver.getMajorVersion();
final int minorVersion = driver.getMinorVersion();
final boolean compliant = driver.jdbcCompliant();
if (compliant) {
log.infof(
"Deploying JDBC-compliant driver %s (version %d.%d)",
driverClass, Integer.valueOf(majorVersion), Integer.valueOf(minorVersion));
} else {
log.infof(
"Deploying non-JDBC-compliant driver %s (version %d.%d)",
driverClass, Integer.valueOf(majorVersion), Integer.valueOf(minorVersion));
}
String driverName = deploymentUnit.getName();
InstalledDriver driverMetadata =
new InstalledDriver(
driverName, driverClass.getName(), null, majorVersion, minorVersion, compliant);
DriverService driverService = new DriverService(driverMetadata, driver);
phaseContext
.getServiceTarget()
.addService(
ServiceName.JBOSS.append("jdbc-driver", driverName.replaceAll(".", "_")),
driverService)
.addDependency(
ConnectorServices.JDBC_DRIVER_REGISTRY_SERVICE,
DriverRegistry.class,
driverService.getDriverRegistryServiceInjector())
.setInitialMode(Mode.ACTIVE)
.install();
} catch (Exception e) {
log.warnf("Unable to instantiate driver class \"%s\": %s", driverClassName, e);
}
}
}
}
/**
* Report whether the underlying driver is JDBC compliant. If there is no underlying driver, false
* will be returned, because the driver cannot actually do any work without an underlying driver.
*
* @return <code>true</code> if the underlying driver is JDBC Compliant; <code>false</code>
* otherwise.
*/
public boolean jdbcCompliant() {
return lastUnderlyingDriverRequested != null && lastUnderlyingDriverRequested.jdbcCompliant();
}
/** �����������Ƿ���һ������� JDBC CompliantTM ����� */
public boolean jdbcCompliant() {
return driver.jdbcCompliant();
}
@Test
public void testJdbcCompliant() {
when(delegate.jdbcCompliant()).thenReturn(true).thenReturn(false);
assertTrue(hiveDriver.jdbcCompliant());
assertFalse(hiveDriver.jdbcCompliant());
}
@Test
public void testJdbcCompliantException() {
when(delegate.jdbcCompliant()).thenThrow(new RuntimeException());
assertFalse(hiveDriver.jdbcCompliant());
}
@Override
public boolean jdbcCompliant() {
return delegate.jdbcCompliant();
}