/* This file is part of the db4o object database http://www.db4o.com
Copyright (C) 2004 - 2011 Versant Corporation http://www.versant.com
db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.
db4o is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with this program. If not, see http://www.gnu.org/licenses/. */
package com.db4o.internal.diagnostic;
import com.db4o.diagnostic.*;
import com.db4o.diagnostic.DefragmentRecommendation.*;
import com.db4o.foundation.*;
import com.db4o.internal.*;
import com.db4o.query.*;
/**
* @exclude
*
* FIXME: remove me from the core and make me a facade over Events
*/
public class DiagnosticProcessor implements DiagnosticConfiguration, DeepClone{
private Collection4 _listeners;
public DiagnosticProcessor() {
}
private DiagnosticProcessor(Collection4 listeners) {
_listeners = listeners;
}
public void addListener(DiagnosticListener listener) {
if(_listeners == null){
_listeners = new Collection4();
}
_listeners.add(listener);
}
public void checkClassHasFields(ClassMetadata classMetadata){
if( classMetadata.aspectsAreNull() || classMetadata.declaredAspectCount() == 0){
String name = classMetadata.getName();
String[] ignoredPackages = new String[]{
"java.util."
};
for (int i = 0; i < ignoredPackages.length; i++) {
if (name.indexOf(ignoredPackages[i]) == 0){
return;
}
}
if(isDb4oClass(classMetadata)){
return;
}
onDiagnostic(new ClassHasNoFields(name));
}
}
public void checkUpdateDepth(int depth) {
if (depth > 1) {
onDiagnostic(new UpdateDepthGreaterOne(depth));
}
}
public Object deepClone(Object context) {
return new DiagnosticProcessor(cloneListeners());
}
public void deletionFailed() {
onDiagnostic(new DeletionFailed());
}
public void defragmentRecommended(DefragmentRecommendationReason reason) {
onDiagnostic(new DefragmentRecommendation(reason));
}
private Collection4 cloneListeners() {
return _listeners != null
? new Collection4(_listeners)
: null;
}
public boolean enabled(){
return _listeners != null;
}
private boolean isDb4oClass(ClassMetadata classMetadata){
return classMetadata.isInternal();
}
public void loadedFromClassIndex(ClassMetadata classMetadata) {
if(isDb4oClass(classMetadata)){
return;
}
onDiagnostic(new LoadedFromClassIndex(classMetadata.getName()));
}
public void descendIntoTranslator(ClassMetadata parent,String fieldName) {
onDiagnostic(new DescendIntoTranslator(parent.getName(),fieldName));
}
public void nativeQueryUnoptimized(Predicate predicate, Exception exception) {
onDiagnostic(new NativeQueryNotOptimized(predicate, exception));
}
public void nativeQueryOptimizerNotLoaded(int reason, Exception e) {
onDiagnostic(new NativeQueryOptimizerNotLoaded(reason, e));
}
public void objectFieldDoesNotExist(String className, String fieldName){
onDiagnostic(new ObjectFieldDoesNotExist(className, fieldName));
}
public void classMissed(String className) {
onDiagnostic(new MissingClass(className));
}
public void onDiagnostic(Diagnostic d) {
if(_listeners == null){
return;
}
Iterator4 i = _listeners.iterator();
while(i.moveNext()){
((DiagnosticListener)i.current()).onDiagnostic(d);
}
}
public void removeAllListeners() {
_listeners = null;
}
}