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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) [2016-2020] 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]"
 *
 * 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.
 */
package fish.payara.nucleus.healthcheck;

import fish.payara.notification.healthcheck.HealthCheckResultEntry;
import fish.payara.notification.healthcheck.HealthCheckResultStatus;

import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

/**
 * @author mertcaliskan
 */
public class HealthCheckResult implements Iterable {

    private List entries = new LinkedList<>();
    private HealthCheckResultStatus cumulativeStatus;

    @Override
    public Iterator iterator() {
        return this.entries.iterator();
    }

    public void add(HealthCheckResultEntry e) {
        if (entries.isEmpty()) {
            cumulativeStatus = HealthCheckResultStatus.FINE;
        }
        entries.add(e);
        if (e.getStatus().getLevel() < cumulativeStatus.getLevel()) {
            cumulativeStatus = e.getStatus();
        }
    }

    public HealthCheckResultStatus getCumulativeStatus() {
        return cumulativeStatus;
    }

    public List getEntries() {
        return entries;
    }
}