/** Execute the DDL if required. */
private void executeDDL(SpiEbeanServer server, boolean online) {
server.getDdlGenerator().execute(online);
}
protected void removeDDL() {
SpiEbeanServer serv = (SpiEbeanServer) getDatabase();
DdlGenerator gen = serv.getDdlGenerator();
gen.runScript(true, gen.generateDropDdl());
}
private void installDatabase(boolean rebuild) {
// Check if the database already (partially) exists
boolean databaseExists = false;
List<Class<?>> classes = getDatabaseClasses();
for (int i = 0; i < classes.size(); i++) {
try {
// Do a simple query which only throws an exception if the table does not exist
ebeanServer.find(classes.get(i)).findRowCount();
// Query passed without throwing an exception, a database therefore already exists
databaseExists = true;
break;
} catch (Exception ex) {
// Do nothing
}
}
// Check if the database has to be created or rebuilt
if (!rebuild && databaseExists) {
return;
}
// Create a DDL generator
SpiEbeanServer serv = (SpiEbeanServer) ebeanServer;
DdlGenerator gen = serv.getDdlGenerator();
// Fire "before drop" event
try {
beforeDropDatabase();
} catch (Exception ex) {
// If the database exists, dropping has to be canceled to prevent data-loss
if (databaseExists) {
throw new RuntimeException("An unexpected exception occured", ex);
}
}
// Generate a DropDDL-script
gen.runScript(true, gen.generateDropDdl());
// If SQLite is being used, the database has to reloaded to release all resources
if (usingSQLite) {
loadDatabase();
}
// Generate a CreateDDL-script
if (usingSQLite) {
// If SQLite is being used, the CreateDLL-script has to be validated and potentially fixed to
// be valid
gen.runScript(false, validateCreateDDLSqlite(gen.generateCreateDdl()));
} else {
gen.runScript(false, gen.generateCreateDdl());
}
// Fire "after create" event
try {
afterCreateDatabase();
} catch (Exception ex) {
throw new RuntimeException("An unexpected exception occured", ex);
}
}
protected void installDDL() {
SpiEbeanServer serv = (SpiEbeanServer) getDatabase();
DdlGenerator gen = serv.getDdlGenerator();
gen.runScript(false, gen.generateCreateDdl());
}
