/*
* 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.olio.workload.loader;
import com.sun.faban.driver.util.Random;
import org.apache.olio.workload.util.ScaleFactors;
import org.apache.olio.workload.util.UserName;
import org.apache.olio.workload.loader.framework.Loadable;
import org.apache.olio.workload.loader.framework.ThreadConnection;
import org.apache.olio.workload.loader.framework.ThreadResource;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.LinkedHashSet;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Attendees Loader
*/
public class Attendees extends Loadable {
// We use on average of 55 attendees per event. Random 10..100 Attendees.
private static final String STATEMENT = "insert into " +
"PERSON_SOCIALEVENT " +
"(username, socialeventid) values (?, ?)";
static Logger logger = Logger.getLogger(Attendees.class.getName());
int eventId;
String[] userNames;
public String getClearStatement() {
return "truncate table PERSON_SOCIALEVENT";
}
public void prepare() {
eventId = getSequence();
++eventId;
ThreadResource tr = ThreadResource.getInstance();
Random r = tr.getRandom();
int attendees = r.random(10, 100);
LinkedHashSet<Integer> userIdSet =
new LinkedHashSet<Integer>(attendees);
for (int i = 0; i <attendees; i++)
while(!userIdSet.add(r.random(1, ScaleFactors.users)));
userNames = new String[userIdSet.size()];
int idx = 0;
for (int userId : userIdSet)
userNames[idx++] = UserName.getUserName(userId);
}
public void load() {
ThreadConnection c = ThreadConnection.getInstance();
try {
for (String userName : userNames) {
PreparedStatement s = c.prepareStatement(STATEMENT);
s.setString(1, userName);
s.setInt(2, eventId);
c.addBatch();
}
} catch (SQLException e) {
logger.log(Level.SEVERE, e.getMessage(), e);
}
}
}