/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.cassandra.utils; import java.nio.ByteBuffer; import java.util.zip.Checksum; import java.util.zip.CRC32; import java.util.zip.Adler32; public enum ChecksumType { Adler32() { @Override public Checksum newInstance() { return new Adler32(); } @Override public void update(Checksum checksum, ByteBuffer buf) { ((Adler32)checksum).update(buf); } }, CRC32() { @Override public Checksum newInstance() { return new CRC32(); } @Override public void update(Checksum checksum, ByteBuffer buf) { ((CRC32)checksum).update(buf); } }; public abstract Checksum newInstance(); public abstract void update(Checksum checksum, ByteBuffer buf); }