/*
 * Copyright 2012-2017 Red Hat, Inc.
 *
 * This file is part of Thermostat.
 *
 * Thermostat is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2, or (at your
 * option) any later version.
 *
 * Thermostat 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Thermostat; see the file COPYING.  If not see
 * <http://www.gnu.org/licenses/>.
 *
 * Linking this code with other modules is making a combined work
 * based on this code.  Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this code give
 * you permission to link this code with independent modules to
 * produce an executable, regardless of the license terms of these
 * independent modules, and to copy and distribute the resulting
 * executable under terms of your choice, provided that you also
 * meet, for each linked independent module, the terms and conditions
 * of the license of that module.  An independent module is a module
 * which is not derived from or based on this code.  If you modify
 * this code, you may extend this exception to your version of the
 * library, but you are not obligated to do so.  If you do not wish
 * to do so, delete this exception statement from your version.
 */

package com.redhat.thermostat.vm.heap.analysis.client.core;

import java.util.Collection;

import com.redhat.thermostat.client.core.views.BasicView;
import com.redhat.thermostat.client.core.views.UIComponent;
import com.redhat.thermostat.common.ActionListener;
import com.sun.tools.hat.internal.model.JavaHeapObject;

public abstract class ObjectDetailsView extends BasicView implements UIComponent {

    // TODO this should be some sort of aggregate view
    // showing users 1000 instances of a class is not very useful unless we
    // allow the user some aggregate results or allow additional sorting or
    // filtering

    public enum ObjectAction {
        SEARCH,
        GET_OBJECT_DETAIL,
        SHOW_ROOT_TO_GC,
    }

    public static interface ObjectReferenceCallback {
        /** get a list of objects that refers to this object */
        Collection<HeapObjectUI> getReferrers(HeapObjectUI obj);

        /** get a list of objects that this object refers to */
        Collection<HeapObjectUI> getReferences(HeapObjectUI obj);
    }

    public abstract void addObjectActionListener(ActionListener<ObjectAction> listener);
    public abstract void removeObjectActionListnener(ActionListener<ObjectAction> listener);

    public abstract void addObjectReferenceCallback(ObjectReferenceCallback callback);
    public abstract void removeObjectReferenceCallback(ObjectReferenceCallback callback);

    public abstract String getSearchText();

    public abstract void setMatchingObjects(Collection<HeapObjectUI> objects);

    public abstract HeapObjectUI getSelectedMatchingObject();

    public abstract void setObjectDetails(JavaHeapObject object);

}

