public void testAddRemoveType() {
epService = EPServiceProviderManager.getProvider("TestSchemaXML", getConfig(false));
epService.initialize();
updateListener = new SupportUpdateListener();
ConfigurationOperations configOps = epService.getEPAdministrator().getConfiguration();
// test remove type with statement used (no force)
configOps.addEventType("MyXMLEvent", getConfigTestType("p01", false));
EPStatement stmt =
epService.getEPAdministrator().createEPL("select p01 from MyXMLEvent", "stmtOne");
EPAssertionUtil.assertEqualsExactOrder(
configOps.getEventTypeNameUsedBy("MyXMLEvent").toArray(), new String[] {"stmtOne"});
try {
configOps.removeEventType("MyXMLEvent", false);
} catch (ConfigurationException ex) {
assertTrue(ex.getMessage().contains("MyXMLEvent"));
}
// destroy statement and type
stmt.destroy();
assertTrue(configOps.getEventTypeNameUsedBy("MyXMLEvent").isEmpty());
assertTrue(configOps.isEventTypeExists("MyXMLEvent"));
assertTrue(configOps.removeEventType("MyXMLEvent", false));
assertFalse(configOps.removeEventType("MyXMLEvent", false)); // try double-remove
assertFalse(configOps.isEventTypeExists("MyXMLEvent"));
try {
epService.getEPAdministrator().createEPL("select p01 from MyXMLEvent");
fail();
} catch (EPException ex) {
// expected
}
// add back the type
configOps.addEventType("MyXMLEvent", getConfigTestType("p20", false));
assertTrue(configOps.isEventTypeExists("MyXMLEvent"));
assertTrue(configOps.getEventTypeNameUsedBy("MyXMLEvent").isEmpty());
// compile
epService.getEPAdministrator().createEPL("select p20 from MyXMLEvent", "stmtTwo");
EPAssertionUtil.assertEqualsExactOrder(
configOps.getEventTypeNameUsedBy("MyXMLEvent").toArray(), new String[] {"stmtTwo"});
try {
epService.getEPAdministrator().createEPL("select p01 from MyXMLEvent");
fail();
} catch (EPException ex) {
// expected
}
// remove with force
try {
configOps.removeEventType("MyXMLEvent", false);
} catch (ConfigurationException ex) {
assertTrue(ex.getMessage().contains("MyXMLEvent"));
}
assertTrue(configOps.removeEventType("MyXMLEvent", true));
assertFalse(configOps.isEventTypeExists("MyXMLEvent"));
assertTrue(configOps.getEventTypeNameUsedBy("MyXMLEvent").isEmpty());
// add back the type
configOps.addEventType("MyXMLEvent", getConfigTestType("p03", false));
assertTrue(configOps.isEventTypeExists("MyXMLEvent"));
// compile
epService.getEPAdministrator().createEPL("select p03 from MyXMLEvent");
try {
epService.getEPAdministrator().createEPL("select p20 from MyXMLEvent");
fail();
} catch (EPException ex) {
// expected
}
}
