com.sun.gjc.util.SQLTrace Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
// Portions Copyright [2016] [Payara Foundation and/or its affiliates]
package com.sun.gjc.util;
import java.util.Comparator;
/**
* Store the sql queries executed by applications along with the number of
* times executed and the time stamp of the last usage.
* Used for monitoring information.
*
* @author Shalini M
*/
public class SQLTrace {
private String queryName;
private int numExecutions;
private long lastUsageTime;
public SQLTrace(String query, int numExecutions, long time) {
this.queryName = query;
this.numExecutions = numExecutions;
this.lastUsageTime = time;
}
/**
* Get the value of queryName
*
* @return the value of queryName
*/
public String getQueryName() {
return queryName;
}
/**
* Set the value of queryName
*
* @param queryName new value of queryName
*/
public void setQueryName(String queryName) {
this.queryName = queryName;
}
/**
* Get the value of numExecutions
*
* @return the value of numExecutions
*/
public int getNumExecutions() {
return numExecutions;
}
/**
* Set the value of numExecutions
*
* @param numExecutions new value of numExecutions
*/
public void setNumExecutions(int numExecutions) {
this.numExecutions = numExecutions;
}
/**
* Get the value of lastUsageTime
*
* @return the value of lastUsageTime
*/
public long getLastUsageTime() {
return lastUsageTime;
}
/**
* Set the value of lastUsageTime
*
* @param lastUsageTime new value of lastUsageTime
*/
public void setLastUsageTime(long lastUsageTime) {
this.lastUsageTime = lastUsageTime;
}
// Comparator that orders based upon the number of executions and the last usage time.
public static Comparator SQLTraceFrequencyComparator = new Comparator() {
@Override
public int compare(SQLTrace sqlTrace1, SQLTrace sqlTrace2) {
final int sqlTrace1Frequency = sqlTrace1.getNumExecutions();
final int sqlTrace2Frequency = sqlTrace2.getNumExecutions();
// Initialise the comparison variable to be equal
int compare = 0;
// Compare the number of executions
if (sqlTrace1Frequency < sqlTrace2Frequency) {
compare = 1;
} else if (sqlTrace1Frequency > sqlTrace2Frequency) {
compare = -1;
}
// If the number of executions are the same, compare the last usage time
if (compare == 0) {
final long sqlTrace1LastUsageTime = sqlTrace1.getLastUsageTime();
final long sqlTrace2LastUsageTime = sqlTrace2.getLastUsageTime();
if (sqlTrace1LastUsageTime < sqlTrace2LastUsageTime) {
compare = 1;
} else if (sqlTrace1LastUsageTime > sqlTrace2LastUsageTime) {
compare = -1;
}
}
return compare;
}
};
}