/*
 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 */
package gc.g1.unloading.check;

import gc.g1.unloading.check.cleanup.CleanupAction;

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

/**
 * Superclass for assertion.
 */
public abstract class Assertion {

    public abstract void check();

    private List<Object> storage = new LinkedList<>();

    public void keepLink(Object object) {
        storage.add(object);
    }

    public void cleanup() {
        try {
            for (Object o : storage) {
                if (o instanceof CleanupAction) {
                    ((CleanupAction) o).cleanup();
                }
            }
        } catch (Exception e) {
            throw new RuntimeException("Something bad happened while cleaning after checked assertion", e);
        }
    }

}