/*
* Copyright 2010 Google Inc.
*
* Licensed 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 com.google.speedtracer.latencydashboard.server;
import com.google.appengine.api.datastore.DatastoreServiceFactory;
import com.google.gwt.user.server.rpc.RemoteServiceServlet;
import com.google.speedtracer.latencydashboard.client.TimelineService;
import com.google.speedtracer.latencydashboard.shared.CustomDashboardRecord;
import com.google.speedtracer.latencydashboard.shared.DashboardRecord;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* AppEngine hosted service that sends timeline data to the client.
*/
@SuppressWarnings("serial")
public class TimelineServiceImpl extends RemoteServiceServlet implements
TimelineService {
/**
* Retrieve the latest custom records from the dashboard in the datastore.
*/
public CustomDashboardRecord[] getCustomDashboardLatestRecords(int n) {
Iterator<CustomDashboardRecord> origResults = CustomDashboardRecordStore.getLatest(
DatastoreServiceFactory.getDatastoreService(), n);
List<CustomDashboardRecord> listResults = new ArrayList<CustomDashboardRecord>();
while (origResults.hasNext()) {
CustomDashboardRecord item = origResults.next();
listResults.add(item);
}
// Copy the list into an array to pass over RPC
CustomDashboardRecord arrayResults[] = null;
arrayResults = listResults.toArray(new CustomDashboardRecord[listResults.size()]);
return arrayResults;
}
/**
* Retrieve the latest records from the dashboard in the datastore.
*/
public DashboardRecord[] getDashboardLatestRecords(int n) {
Iterator<DashboardRecord> origResults = DashboardRecordStore.getLatest(
DatastoreServiceFactory.getDatastoreService(), n);
List<DashboardRecord> listResults = new ArrayList<DashboardRecord>();
while (origResults.hasNext()) {
DashboardRecord item = origResults.next();
listResults.add(item);
}
// Copy the list into an array to pass over RPC
DashboardRecord arrayResults[] = null;
arrayResults = listResults.toArray(new DashboardRecord[listResults.size()]);
return arrayResults;
}
}