/*
* 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.tomcat.jdbc.pool.interceptor;
import java.lang.reflect.Method;
import java.security.SecureRandom;
/**
* @author fhanik
*
*/
public class InduceSlowQuery extends AbstractQueryReport {
public static SecureRandom random = new SecureRandom();
public InduceSlowQuery() {
// TODO Auto-generated constructor stub
}
public void doWait() {
try {
int b = random.nextInt(10);
if (b == 0) {
Thread.sleep(random.nextInt(2000));
}
} catch (InterruptedException x) {
}
}
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
// TODO Auto-generated method stub
Object result = super.invoke(proxy, method, args);
return result;
}
@Override
protected void prepareCall(String query, long time) {
}
@Override
protected void prepareStatement(String sql, long time) {
}
@Override
public void closeInvoked() {
}
@Override
protected String reportQuery(String query, Object[] args, String name, long start, long delta) {
doWait();
return super.reportQuery(query, args, name, start, delta);
}
@Override
protected String reportSlowQuery(String query, Object[] args, String name, long start, long delta) {
doWait();
return super.reportSlowQuery(query, args, name, start, delta);
}
}