/* * GSC (Global Social Chain), a blockchain fit for mass adoption and * a sustainable token economy model, is the decentralized global social * chain with highly secure, low latency, and near-zero fee transactional system. * * gsc-core 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. * * License GSC-Core is under the GNU General Public License v3. See LICENSE. */ package org.gsc.db; import java.io.Serializable; import java.util.Arrays; import org.spongycastle.util.encoders.Hex; import org.gsc.utils.FastByteComparisons; public class ByteArrayWrapper implements Comparable<ByteArrayWrapper>, Serializable { private static final long serialVersionUID = -8645797230368480951L; private final byte[] data; private int hashCode = 0; /** * constructor. */ public ByteArrayWrapper(byte[] data) { if (data == null) { throw new IllegalArgumentException("Data must not be null"); } this.data = data; this.hashCode = Arrays.hashCode(data); } /** * equals Objects. */ public boolean equals(Object other) { if (other == null || this.getClass() != other.getClass()) { return false; } byte[] otherData = ((ByteArrayWrapper) other).getData(); return FastByteComparisons.compareTo( data, 0, data.length, otherData, 0, otherData.length) == 0; } @Override public int hashCode() { return hashCode; } @Override public int compareTo(ByteArrayWrapper o) { return FastByteComparisons.compareTo( data, 0, data.length, o.getData(), 0, o.getData().length); } public byte[] getData() { return data; } @Override public String toString() { return Hex.toHexString(data); } }