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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2017-2018 Payara Foundation 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://github.com/payara/Payara/blob/master/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 glassfish/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * The Payara Foundation designates this particular file as subject to the "Classpath"
 * exception as provided by the Payara Foundation 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]"
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 * 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
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package fish.payara.nucleus.requesttracing;

import fish.payara.notification.requesttracing.RequestTrace;
import fish.payara.nucleus.requesttracing.store.RequestTraceStoreInterface;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.Collection;

/**
 * @author mertcaliskan
 */
final public class RequestTraceStoreCleanupTask implements Runnable {

    /**
     * Limit for how long traces can remain in store in seconds
     */
    private final long timeLimit;
    private final RequestTraceStoreInterface requestTraceStore;

    RequestTraceStoreCleanupTask(long timeLimit, RequestTraceStoreInterface requestTraceStore) {
        this.timeLimit = timeLimit;
        this.requestTraceStore = requestTraceStore;
    }

    @Override
    public void run() {
        Collection traces = requestTraceStore.getTraces();
        
        for (RequestTrace event: traces){
            long upTimeInSeconds = event.getStartTime().until(Instant.now(), ChronoUnit.SECONDS);
            if (upTimeInSeconds > timeLimit){
                traces.remove(event);
            }
        }
    }  
}