void Awake()
{
// Configure the Logger with your desired prefix and log level.
DLogger.Configure("My Game", DLogger.LogLevels.Info);
// Log at the Debug Log Level (Less).
DLogger.Debug("script1 - This debug message will not recorded.");
// Log at the Info Log Level (Equal).
DLogger.Info("script1 - I configured my logger in script1");
}
/// <summary>
/// Adds a write action to the transaction
/// </summary>
/// <param name="writeAction"> The write action to be added </param>
/// <param name="persistWriteAction"> To indicate if write action must be persisted </param>
private void AddWriteAction(WriteAction writeAction, bool persistWriteAction)
{
if (OdbConfiguration.IsLoggingEnabled())
{
DLogger.Info(string.Format("OdbTransaction: Adding WriteAction in Transaction of session {0}", _session.GetId()));
}
if (writeAction.IsEmpty())
{
return;
}
CheckRollback();
if (!_hasBeenPersisted && persistWriteAction)
{
Persist();
}
if (persistWriteAction)
{
writeAction.PersistMeTo(_fsi);
}
// Only adds the write action to the list if the transaction keeps all in
// memory
if (_hasAllWriteActionsInMemory)
{
_writeActions.Add(writeAction);
}
_numberOfWriteActions++;
if (_hasAllWriteActionsInMemory &&
_numberOfWriteActions > StorageEngineConstant.MaxNumberOfWriteObjectPerTransaction)
{
_hasAllWriteActionsInMemory = false;
foreach (var defaultWriteAction in _writeActions)
{
defaultWriteAction.Clear();
}
_writeActions.Clear();
if (OdbConfiguration.IsLoggingEnabled())
{
var numberOfWriteActions = _numberOfWriteActions.ToString();
var maxNumberOfWriteObjectPerTransactionAsString =
StorageEngineConstant.MaxNumberOfWriteObjectPerTransaction.ToString();
DLogger.Info("OdbTransaction: Number of objects has exceeded the max number " + numberOfWriteActions + "/" +
maxNumberOfWriteObjectPerTransactionAsString +
": switching to persistent transaction managment");
}
}
}
void Start()
{
// No level will log.
DLogger.All("I will not show up in the console because logging is off.");
DLogger.Trace("I will not show up in the console because logging is off.");
DLogger.Debug("I will not show up in the console because logging is off.");
DLogger.Info("I will not show up in the console because logging is off.");
DLogger.Warn("I will not show up in the console because logging is off.");
DLogger.Error("I will not show up in the console because logging is off.");
DLogger.Fatal("I will not show up in the console because logging is off.");
}
public virtual NeoDatis.Odb.Objects <T> GetObjects <T>(NeoDatis.Odb.Core.Query.IQuery
query, bool inMemory, int startIndex, int endIndex)
{
try
{
return(storageEngine.GetObjects <T>(query, inMemory, startIndex, endIndex));
}
catch (ODBRuntimeException e)
{
DLogger.Info(e);
throw e;
}
}
// Use this for initialization
void Awake()
{
// Configure the Logger with your desired prefix and log level.
DLogger.Configure("My Game", DLogger.LogLevels.Debug);
// Log at the Debug Log Level (Equal).
DLogger.Debug("This debug message will be recorded.");
// Log at the Trace Log Level (Lower).
DLogger.Trace("This trace message will not be recorded.");
// Log at the Info Log Level (Higher).
DLogger.Info("This info message will be recored.");
// Log at the Info Log Level (Higher).
DLogger.Log("This general log (info) message will be recorded.");
}
/// <summary>
/// Receive the current class info (loaded from current classes present on runtime and check against the persisted meta model
/// </summary>
public bool Check(IDictionary <Type, ClassInfo> currentCIs, IMetaModelService metaModelService)
{
foreach (var persistedCI in metaModelService.GetAllClasses())
{
CheckClass(currentCIs, persistedCI);
}
foreach (var result in _results)
{
DLogger.Info(string.Format("MetaModelCompabilityChecker: Class {0} has changed :", result.GetFullClassName()));
DLogger.Info("MetaModelCompabilityChecker: " + result);
}
return(_results.Count != 0);
}
/// <summary>
/// Used to rebuild an index
/// </summary>
public void RebuildIndex(string className, string indexName)
{
if (OdbConfiguration.IsLoggingEnabled())
{
DLogger.Info(string.Format("StorageEngine: Rebuilding index {0} on class {1}", indexName, className));
}
var classInfo = GetMetaModel().GetClassInfo(className, true);
var classInfoIndex = GetClassInfoIndex(className, indexName, classInfo);
DeleteIndex(className, indexName);
AddIndexOn(className, indexName, classInfo.GetAttributeNames(classInfoIndex.AttributeIds),
!classInfoIndex.IsUnique);
}
private void UpdateMetaModel()
{
if (OdbConfiguration.IsLoggingEnabled())
{
DLogger.Info("StorageEngine: Automatic refactoring : updating meta model");
}
var metaModel = GetMetaModel();
var storedClasses = metaModel.GetAllClasses().ToList();
foreach (var userClass in storedClasses)
{
_objectWriter.UpdateClassInfo(userClass, true);
}
}
public void Register_logger_and_check_logged_messages()
{
var logger = new FakeLogger();
OdbConfiguration.RegisterLogger(logger);
DLogger.Info("info");
DLogger.Debug("debug");
DLogger.Warning("warning");
DLogger.Error("error");
Assert.That(logger.GetInfoMessage(), Is.EqualTo("info"));
Assert.That(logger.GetDebugMessage(), Is.EqualTo("debug"));
Assert.That(logger.GetWarningMessage(), Is.EqualTo("warning"));
Assert.That(logger.GetErrorMessage(), Is.EqualTo("error"));
}
public void DeleteIndex(string className, string indexName)
{
var classInfo = GetMetaModel().GetClassInfo(className, true);
var classInfoIndex = GetClassInfoIndex(className, indexName, classInfo);
if (OdbConfiguration.IsLoggingEnabled())
{
DLogger.Info(string.Format("StorageEngine: Deleting index {0} on class {1}", indexName, className));
}
Delete(classInfoIndex);
classInfo.RemoveIndex(classInfoIndex);
if (OdbConfiguration.IsLoggingEnabled())
{
DLogger.Info(string.Format("StorageEngine: Index {0} deleted", indexName));
}
}
public override void DefragmentTo(string newFileName)
{
var start = OdbTime.GetCurrentTimeInMs();
var totalNbObjects = 0L;
var newStorageEngine = new StorageEngine(new FileIdentification(newFileName));
var j = 0;
var criteriaQuery = new SodaQuery(typeof(object));
var defragObjects = GetObjects <object>(criteriaQuery, true, -1, -1);
foreach (var defragObject in defragObjects)
{
newStorageEngine.Store(defragObject);
totalNbObjects++;
if (OdbConfiguration.IsLoggingEnabled())
{
if (j % 10000 == 0)
{
DLogger.Info(string.Concat("\nStorageEngine: ", totalNbObjects.ToString(), " objects saved."));
}
}
j++;
}
newStorageEngine.Close();
var time = OdbTime.GetCurrentTimeInMs() - start;
if (!OdbConfiguration.IsLoggingEnabled())
{
return;
}
var nbObjectsAsString = totalNbObjects.ToString();
var timeAsString = time.ToString();
DLogger.Info(string.Format("StorageEngine: New storage {0} created with {1} objects in {2} ms.", newFileName,
nbObjectsAsString, timeAsString));
}
private void LoadWriteActions(string filename, bool apply)
{
if (OdbConfiguration.IsLoggingEnabled())
{
DLogger.Debug(string.Format("OdbTransaction: Load write actions of {0}", filename));
}
CheckFileAccess(filename);
_fsi.SetReadPosition(0);
_isCommited = _fsi.ReadByte() == 1;
_creationDateTime = _fsi.ReadLong();
var totalNumberOfWriteActions = _fsi.ReadLong();
if (OdbConfiguration.IsLoggingEnabled())
{
DLogger.Info(string.Concat("OdbTransaction: ", _writeActions.Count.ToString(), " write actions in file"));
}
for (var i = 0; i < totalNumberOfWriteActions; i++)
{
var defaultWriteAction = WriteAction.Read(_fsi);
if (apply)
{
defaultWriteAction.ApplyTo(_fsiToApplyWriteActions);
defaultWriteAction.Clear();
}
else
{
AddWriteAction(defaultWriteAction, false);
}
}
if (apply)
{
_fsiToApplyWriteActions.Flush();
}
}
private void ApplyTo()
{
if (!_isCommited)
{
DLogger.Info("OdbTransaction: can not execute a transaction that is not confirmed");
return;
}
if (_hasAllWriteActionsInMemory)
{
foreach (var wa in _writeActions)
{
wa.ApplyTo(_fsiToApplyWriteActions);
wa.Clear();
}
_fsiToApplyWriteActions.Flush();
}
else
{
LoadWriteActions(GetName(), true);
_fsiToApplyWriteActions.Flush();
}
}
public virtual object BuildOneInstance(NonNativeObjectInfo objectInfo)
{
ICache cache = GetSession().GetCache();
// verify if the object is check to delete
if (objectInfo.IsDeletedObject())
{
throw new ODBRuntimeException(NeoDatisError.ObjectIsMarkedAsDeletedForOid.AddParameter(objectInfo.GetOid()));
}
// Then check if object is in cache
object o = cache.GetObjectWithOid(objectInfo.GetOid());
if (o != null)
{
return(o);
}
Type instanceClazz = null;
instanceClazz = classPool.GetClass(objectInfo.GetClassInfo().GetFullClassName());
try
{
o = classIntrospector.NewInstanceOf(instanceClazz);
}
catch (System.Exception e)
{
throw new ODBRuntimeException(NeoDatisError.InstanciationError.AddParameter(objectInfo.GetClassInfo().GetFullClassName()), e);
}
// This can happen if ODB can not create the instance
// TODO Check if returning null is correct
if (o == null)
{
return(null);
}
// Keep the initial hash code. In some cases, when the class redefines
// the hash code method
// Hash code can return wrong values when attributes are not set (when
// hash code depends on attribute values)
// Hash codes are used as the key of the map,
// So at the end of this method, if hash codes are different, object
// will be removed from the cache and inserted back
bool hashCodeIsOk = true;
int initialHashCode = 0;
try
{
initialHashCode = o.GetHashCode();
}
catch (System.Exception)
{
hashCodeIsOk = false;
}
// Adds this incomplete instance in the cache to manage cyclic reference
if (hashCodeIsOk)
{
cache.AddObject(objectInfo.GetOid(), o, objectInfo.GetHeader());
}
ClassInfo ci = objectInfo.GetClassInfo();
IOdbList <FieldInfo> fields = classIntrospector.GetAllFields(ci.GetFullClassName());
FieldInfo field = null;
AbstractObjectInfo aoi = null;
object value = null;
for (int i = 0; i < fields.Count; i++)
{
field = fields[i];
// Gets the id of this field
int attributeId = ci.GetAttributeId(field.Name);
if (OdbConfiguration.IsDebugEnabled(LogIdDebug))
{
DLogger.Debug("getting field with name " + field.Name + ", attribute id is " + attributeId);
}
aoi = objectInfo.GetAttributeValueFromId(attributeId);
// Check consistency
// ensureClassCompatibily(field,
// instanceInfo.getClassInfo().getAttributeinfo(i).getFullClassname());
if (aoi != null && (!aoi.IsNull()))
{
if (aoi.IsNative())
{
if (aoi.IsAtomicNativeObject())
{
if (aoi.IsNull())
{
value = null;
}
else
{
value = aoi.GetObject();
}
}
if (aoi.IsCollectionObject())
{
value = BuildCollectionInstance((CollectionObjectInfo)aoi);
// Manage a specific case of Set
/*
* if (typeof(Java.Util.Set).IsAssignableFrom(field.GetType()) && typeof(ICollection).IsAssignableFrom(value.GetType()))
* {
* Java.Util.Set s = new Java.Util.HashSet();
* s.AddAll((System.Collections.ICollection)value);
* value = s;
* }*/
}
if (aoi.IsArrayObject())
{
value = BuildArrayInstance((ArrayObjectInfo)aoi);
}
if (aoi.IsMapObject())
{
value = BuildMapInstance((MapObjectInfo)aoi);
}
if (aoi.IsEnumObject())
{
value = BuildEnumInstance((EnumNativeObjectInfo)aoi, field.FieldType);
}
}
else
{
if (aoi.IsNonNativeObject())
{
if (aoi.IsDeletedObject())
{
if (NeoDatis.Odb.OdbConfiguration.DisplayWarnings())
{
IError warning = NeoDatisError.AttributeReferencesADeletedObject
.AddParameter(objectInfo.GetClassInfo().GetFullClassName())
.AddParameter(objectInfo.GetOid()).AddParameter(field.Name);
DLogger.Info(warning.ToString());
}
value = null;
}
else
{
value = BuildOneInstance((NonNativeObjectInfo)aoi);
}
}
}
if (value != null)
{
if (OdbConfiguration.IsDebugEnabled(LogIdDebug))
{
DLogger.Debug("Setting field " + field.Name + "(" + field.GetType().FullName + ") to " + value + " / " + value.GetType().FullName);
}
try
{
field.SetValue(o, value);
}
catch (System.Exception e)
{
throw new ODBRuntimeException(NeoDatisError.InstanceBuilderWrongObjectContainerType
.AddParameter(objectInfo.GetClassInfo().GetFullClassName())
.AddParameter(value.GetType().FullName).AddParameter(field.GetType().FullName), e);
}
}
}
}
if (o != null && !OdbClassUtil.GetFullName(o.GetType()).Equals(objectInfo.GetClassInfo().GetFullClassName()))
{
new ODBRuntimeException(NeoDatisError.InstanceBuilderWrongObjectType
.AddParameter(objectInfo.GetClassInfo().GetFullClassName())
.AddParameter(o.GetType().FullName));
}
if (hashCodeIsOk || initialHashCode != o.GetHashCode())
{
// Bug (sf bug id=1875544 )detected by glsender
// This can happen when an object has redefined its own hashcode
// method and depends on the field values
// Then, we have to remove object from the cache and re-insert to
// correct map hash code
cache.RemoveObjectWithOid(objectInfo.GetOid());
// re-Adds instance in the cache
cache.AddObject(objectInfo.GetOid(), o, objectInfo.GetHeader());
}
if (triggerManager != null)
{
triggerManager.ManageSelectTriggerAfter(objectInfo.GetClassInfo().GetFullClassName
(), objectInfo, objectInfo.GetOid());
}
if (OdbConfiguration.ReconnectObjectsToSession())
{
ICrossSessionCache crossSessionCache = CacheFactory.GetCrossSessionCache(engine.GetBaseIdentification().GetIdentification());
crossSessionCache.AddObject(o, objectInfo.GetOid());
}
return(o);
}
public void Commit()
{
if (OdbConfiguration.IsLoggingEnabled())
{
var numberOfWriteActionsAsString = _numberOfWriteActions.ToString();
var hasAllWriteActionsInMemoryAsString = _hasAllWriteActionsInMemory.ToString();
DLogger.Info("OdbTransaction: Commiting " + numberOfWriteActionsAsString + " write actions - In Memory : " +
hasAllWriteActionsInMemoryAsString + string.Format(" - sid={0}", _session.GetId()));
}
// Check if database has been rollbacked
CheckRollback();
// call the commit listeners
ManageCommitListenersBefore();
if (_currentWriteAction != null && !_currentWriteAction.IsEmpty())
{
AddWriteAction(_currentWriteAction, true);
_currentWriteAction = null;
}
if (_fsi == null && _numberOfWriteActions != 0)
{
throw new OdbRuntimeException(NDatabaseError.TransactionAlreadyCommitedOrRollbacked);
}
if (_numberOfWriteActions == 0)
{
// FIXME call commitMetaModel in realOnlyMode?
CommitMetaModel();
// Nothing to do
if (_fsi != null)
{
_fsi.Close();
_fsi = null;
}
if (_session != null)
{
_session.GetCache().ClearOnCommit();
}
return;
}
// Marks the transaction as committed
SetCommited();
// Apply the write actions the main database file
ApplyTo();
// Commit Meta Model changes
CommitMetaModel();
if (_fsi != null)
{
_fsi.Close();
_fsi = null;
}
if (_session != null)
{
_session.GetCache().ClearOnCommit();
}
ManageCommitListenersAfter();
}
public void AddIndexOn(string className, string indexName, string[] indexFields,
bool acceptMultipleValuesForSameKey)
{
var classInfo = GetMetaModel().GetClassInfo(className, true);
if (classInfo.HasIndex(indexName))
{
throw new OdbRuntimeException(
NDatabaseError.IndexAlreadyExist.AddParameter(indexName).AddParameter(className));
}
var classInfoIndex = classInfo.AddIndexOn(indexName, indexFields, acceptMultipleValuesForSameKey);
IBTree btree;
var lazyOdbBtreePersister = new LazyOdbBtreePersister(this);
if (acceptMultipleValuesForSameKey)
{
btree = new OdbBtreeMultiple(OdbConfiguration.GetIndexBTreeDegree(), lazyOdbBtreePersister);
}
else
{
btree = new OdbBtreeSingle(OdbConfiguration.GetIndexBTreeDegree(), lazyOdbBtreePersister);
}
classInfoIndex.BTree = btree;
Store(classInfoIndex);
// Now The index must be updated with all existing objects.
if (classInfo.NumberOfObjects == 0)
{
// There are no objects. Nothing to do
return;
}
if (OdbConfiguration.IsLoggingEnabled())
{
var numberOfObjectsAsString = classInfo.NumberOfObjects.ToString();
DLogger.Info(
string.Format(
"StorageEngine: Creating index {0} on class {1} - Class has already {2} Objects. Updating index",
indexName, className, numberOfObjectsAsString));
DLogger.Info(string.Format("StorageEngine: {0} : loading {1} objects from database", indexName,
numberOfObjectsAsString));
}
// We must load all objects and insert them in the index!
var criteriaQuery = new SodaQuery(classInfo.UnderlyingType);
var objects = GetObjectInfos(criteriaQuery);
if (OdbConfiguration.IsLoggingEnabled())
{
var numberOfObjectsAsString = classInfo.NumberOfObjects.ToString();
DLogger.Info(string.Format("StorageEngine: {0} : {1} objects loaded", indexName, numberOfObjectsAsString));
}
while (objects.HasNext())
{
var nnoi = (NonNativeObjectInfo)objects.Next();
var odbComparable = IndexTool.BuildIndexKey(classInfoIndex.Name, nnoi, classInfoIndex.AttributeIds);
btree.Insert(odbComparable, nnoi.GetOid());
}
if (OdbConfiguration.IsLoggingEnabled())
{
DLogger.Info(string.Format("StorageEngine: {0} created!", indexName));
}
}
