/**
* A helper method for creating an implicit transaction is it is required.
*
* <p>A transaction may have been passed in or active in the thread local. If not then create one
* implicitly to handle the request.
*/
public void createImplicitTransIfRequired(boolean readOnlyTransaction) {
if (transaction == null) {
transaction = ebeanServer.getCurrentServerTransaction();
if (transaction == null || !transaction.isActive()) {
// create an implicit transaction to execute this query
transaction = ebeanServer.createServerTransaction(false, -1);
createdTransaction = true;
}
}
}
public DLoadContext(
SpiEbeanServer ebeanServer,
BeanDescriptor<?> rootDescriptor,
Boolean readOnly,
boolean excludeBeanCache,
ObjectGraphNode parentNode,
boolean useAutofetchManager) {
this.ebeanServer = ebeanServer;
this.hardRefs = GlobalProperties.getBoolean("ebean.hardrefs", false);
this.defaultBatchSize = ebeanServer.getLazyLoadBatchSize();
this.rootDescriptor = rootDescriptor;
this.rootBeanContext =
new DLoadBeanContext(
this, rootDescriptor, null, defaultBatchSize, null, createBeanLoadList());
this.readOnly = readOnly;
this.excludeBeanCache = excludeBeanCache;
this.useAutofetchManager = useAutofetchManager;
if (parentNode != null) {
this.origin = parentNode.getOriginQueryPoint();
this.relativePath = parentNode.getPath();
} else {
this.origin = null;
this.relativePath = null;
}
}
protected void executeDerivedRelationships() {
List<DerivedRelationshipData> derivedRelationships = persistRequest.getDerivedRelationships();
if (derivedRelationships != null) {
SpiEbeanServer ebeanServer = (SpiEbeanServer) persistRequest.getEbeanServer();
for (int i = 0; i < derivedRelationships.size(); i++) {
DerivedRelationshipData derivedRelationshipData = derivedRelationships.get(i);
BeanDescriptor<?> beanDescriptor =
ebeanServer.getBeanDescriptor(derivedRelationshipData.getBean().getClass());
BeanProperty prop =
beanDescriptor.getBeanProperty(derivedRelationshipData.getLogicalName());
EntityBean entityBean = (EntityBean) derivedRelationshipData.getBean();
entityBean._ebean_getIntercept().markPropertyAsChanged(prop.getPropertyIndex());
ebeanServer.update(entityBean, transaction);
}
}
}
/** Load the query tuning information from it's data store. */
@Override
public void startup() {
if (queryTuning) {
loadTuningFile();
if (isRuntimeTuningUpdates()) {
// periodically gather and update query tuning
server
.getBackgroundExecutor()
.executePeriodically(new ProfilingUpdate(), profilingUpdateFrequency, TimeUnit.SECONDS);
}
}
}
public DefaultAutoTuneService(SpiEbeanServer server, ServerConfig serverConfig) {
AutoTuneConfig config = serverConfig.getAutoTuneConfig();
this.server = server;
this.queryTuning = config.isQueryTuning();
this.profiling = config.isProfiling();
this.tuningFile = config.getQueryTuningFile();
this.profilingFile = config.getProfilingFile();
this.profilingUpdateFrequency = config.getProfilingUpdateFrequency();
this.serverName = server.getName();
this.profileManager = new ProfileManager(config, server);
this.queryTuner = new BaseQueryTuner(config, server, profileManager);
this.skipGarbageCollectionOnShutdown = config.isSkipGarbageCollectionOnShutdown();
this.skipProfileReportingOnShutdown = config.isSkipProfileReportingOnShutdown();
this.defaultGarbageCollectionWait = (long) config.getGarbageCollectionWait();
}
/** Execute the DDL if required. */
private void executeDDL(SpiEbeanServer server, boolean online) {
server.getDdlGenerator().execute(online);
}
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);
}
}
private DdlHandler handler() {
return server.getDatabasePlatform().createDdlHandler();
}
protected void removeDDL() {
SpiEbeanServer serv = (SpiEbeanServer) getDatabase();
DdlGenerator gen = serv.getDdlGenerator();
gen.runScript(true, gen.generateDropDdl());
}
protected void installDDL() {
SpiEbeanServer serv = (SpiEbeanServer) getDatabase();
DdlGenerator gen = serv.getDdlGenerator();
gen.runScript(false, gen.generateCreateDdl());
}
public BeanRequest(SpiEbeanServer ebeanServer, SpiTransaction t) {
this.ebeanServer = ebeanServer;
this.serverName = ebeanServer.getName();
this.transaction = t;
}