// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License. Citrix Systems, Inc.
// reserves all rights not expressly granted by the License.
// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.event;
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Method;
import net.sf.cglib.proxy.Callback;
import net.sf.cglib.proxy.MethodInterceptor;
import net.sf.cglib.proxy.MethodProxy;
import com.cloud.user.UserContext;
import com.cloud.utils.component.AnnotationInterceptor;
public class ActionEventCallback implements MethodInterceptor, AnnotationInterceptor<EventVO> {
@Override
public Object intercept(Object object, Method method, Object[] args, MethodProxy methodProxy) throws Throwable {
EventVO event = interceptStart(method);
boolean success = true;
try {
return methodProxy.invokeSuper(object, args);
} catch (Exception e){
success = false;
interceptException(method, event);
throw e;
} finally {
if(success){
interceptComplete(method, event);
}
}
}
@Override
public boolean needToIntercept(AnnotatedElement element) {
if (!(element instanceof Method)) {
return false;
}
Method method = (Method)element;
ActionEvent actionEvent = method.getAnnotation(ActionEvent.class);
if (actionEvent != null) {
return true;
}
return false;
}
@Override
public EventVO interceptStart(AnnotatedElement element) {
EventVO event = null;
Method method = (Method)element;
ActionEvent actionEvent = method.getAnnotation(ActionEvent.class);
if (actionEvent != null) {
boolean async = actionEvent.async();
if(async){
UserContext ctx = UserContext.current();
long userId = ctx.getCallerUserId();
long accountId = ctx.getAccountId();
long startEventId = ctx.getStartEventId();
String eventDescription = actionEvent.eventDescription();
if(ctx.getEventDetails() != null){
eventDescription += ". "+ctx.getEventDetails();
}
EventUtils.saveStartedEvent(userId, accountId, actionEvent.eventType(), eventDescription, startEventId);
}
}
return event;
}
@Override
public void interceptComplete(AnnotatedElement element, EventVO event) {
Method method = (Method)element;
ActionEvent actionEvent = method.getAnnotation(ActionEvent.class);
if (actionEvent != null) {
UserContext ctx = UserContext.current();
long userId = ctx.getCallerUserId();
long accountId = ctx.getAccountId();
long startEventId = ctx.getStartEventId();
String eventDescription = actionEvent.eventDescription();
if(ctx.getEventDetails() != null){
eventDescription += ". "+ctx.getEventDetails();
}
if(actionEvent.create()){
//This start event has to be used for subsequent events of this action
startEventId = EventUtils.saveCreatedEvent(userId, accountId, EventVO.LEVEL_INFO, actionEvent.eventType(), "Successfully created entity for "+eventDescription);
ctx.setStartEventId(startEventId);
} else {
EventUtils.saveEvent(userId, accountId, EventVO.LEVEL_INFO, actionEvent.eventType(), "Successfully completed "+eventDescription, startEventId);
}
}
}
@Override
public void interceptException(AnnotatedElement element, EventVO event) {
Method method = (Method)element;
ActionEvent actionEvent = method.getAnnotation(ActionEvent.class);
if (actionEvent != null) {
UserContext ctx = UserContext.current();
long userId = ctx.getCallerUserId();
long accountId = ctx.getAccountId();
long startEventId = ctx.getStartEventId();
String eventDescription = actionEvent.eventDescription();
if(ctx.getEventDetails() != null){
eventDescription += ". "+ctx.getEventDetails();
}
if(actionEvent.create()){
long eventId = EventUtils.saveCreatedEvent(userId, accountId, EventVO.LEVEL_ERROR, actionEvent.eventType(), "Error while creating entity for "+eventDescription);
ctx.setStartEventId(eventId);
} else {
EventUtils.saveEvent(userId, accountId, EventVO.LEVEL_ERROR, actionEvent.eventType(), "Error while "+eventDescription, startEventId);
}
}
}
@Override
public Callback getCallback() {
return this;
}
}