GBNode.java

/*******************************************************************************
 * Copyright (c) 2012-present Jakub Kováč, Jozef Brandýs, Katarína Kotrlová,
 * Pavol Lukča, Ladislav Pápay, Viktor Tomkovič, Tatiana Tóthová
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package algvis.ds.dictionaries.scapegoattree;

import java.util.Hashtable;

import algvis.core.DataStructure;
import algvis.core.history.HashtableStoreSupport;
import algvis.ds.dictionaries.bst.BSTNode;

public class GBNode extends BSTNode {
    private boolean deleted = false;

    public GBNode(DataStructure D, int key, int zDepth) {
        super(D, key, zDepth);
    }

    public boolean isDeleted() {
        return deleted;
    }

    public void setDeleted(boolean deleted) {
        this.deleted = deleted;
    }

    @Override
    public GBNode getLeft() {
        return (GBNode) super.getLeft();
    }

    @Override
    public GBNode getRight() {
        return (GBNode) super.getRight();
    }

    @Override
    public GBNode getParent() {
        return (GBNode) super.getParent();
    }

    @Override
    public void storeState(Hashtable<Object, Object> state) {
        super.storeState(state);
        HashtableStoreSupport.store(state, hash + "deleted", deleted);
    }

    @Override
    public void restoreState(Hashtable<?, ?> state) {
        super.restoreState(state);
        final Object deleted = state.get(hash + "deleted");
        if (deleted != null) {
            this.deleted = (Boolean) HashtableStoreSupport.restore(deleted);
        }
    }
}