/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with 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.
*/
package org.apache.isis.applib.services.metrics;
import java.sql.Timestamp;
import java.util.UUID;
import javax.enterprise.context.RequestScoped;
import javax.jdo.listener.InstanceLifecycleEvent;
import org.apache.isis.applib.annotation.Programmatic;
import org.apache.isis.applib.services.bookmark.Bookmark;
import org.apache.isis.applib.services.iactn.InteractionContext;
import org.apache.isis.schema.ixn.v1.MemberExecutionDto;
@RequestScoped
public interface MetricsService {
/**
* The number of objects that have, so far in this request, been loaded from the database.
*
* <p>
* Corresponds to the number of times that {@link javax.jdo.listener.LoadLifecycleListener#postLoad(InstanceLifecycleEvent)} is fired.
* </p>
*
* <p>
* Is captured within {@link MemberExecutionDto#getMetrics()} (accessible from {@link InteractionContext#getInteraction()}).
* </p>
*/
@Programmatic
int numberObjectsLoaded();
/**
* The number of objects that have, so far in this request, been dirtied/will need updating in the database); a
* good measure of the footprint of the interaction.
*
* <p>
* Corresponds to the number of times that {@link javax.jdo.listener.DirtyLifecycleListener#preDirty(InstanceLifecycleEvent)} callback is fired.
* </p>
*
* <p>
* Is captured within {@link MemberExecutionDto#getMetrics()} (accessible from {@link InteractionContext#getInteraction()}).
* </p>
*/
@Programmatic
int numberObjectsDirtied();
}