CollectFullSetOfNodes.java

/*
 * Copyright (c) [2016] [ <ether.camp> ]
 * This file is part of the ethereumJ library.
 *
 * The ethereumJ library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * The ethereumJ library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the ethereumJ library. If not, see <http://www.gnu.org/licenses/>.
 */
package org.ethereum.trie;

import org.ethereum.db.ByteArrayWrapper;
import org.ethereum.util.Value;

import java.util.HashSet;
import java.util.Set;

/**
 * @author Roman Mandeleil
 * @since 29.08.2014
 */
public class CollectFullSetOfNodes implements TrieImpl.ScanAction {
    Set<ByteArrayWrapper> nodes = new HashSet<>();

    @Override
    public void doOnNode(byte[] hash, TrieImpl.Node node) {
        nodes.add(new ByteArrayWrapper(hash));
    }

    @Override
    public void doOnValue(byte[] nodeHash, TrieImpl.Node node, byte[] key, byte[] value) {}

    public Set<ByteArrayWrapper> getCollectedHashes() {
        return nodes;
    }
}