| /* |
| * 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.ignite.client.proto; |
| |
| import java.io.IOException; |
| |
| import org.apache.ignite.internal.tostring.S; |
| |
| /** Thin client protocol version. */ |
| public final class ProtocolVersion implements Comparable<ProtocolVersion> { |
| /** Protocol version: 3.0.0. */ |
| public static final ProtocolVersion V3_0_0 = new ProtocolVersion((short)3, (short)0, (short)0); |
| |
| /** The most actual version. */ |
| public static final ProtocolVersion LATEST_VER = V3_0_0; |
| |
| /** Major. */ |
| private final short major; |
| |
| /** Minor. */ |
| private final short minor; |
| |
| /** Patch. */ |
| private final short patch; |
| |
| /** |
| * Constructor. |
| * |
| * @param major Major part. |
| * @param minor Minor part. |
| * @param patch Patch part. |
| */ |
| public ProtocolVersion(short major, short minor, short patch) { |
| this.major = major; |
| this.minor = minor; |
| this.patch = patch; |
| } |
| |
| /** |
| * Reads version from unpacker. |
| * |
| * @param unpacker Unpacker. |
| * @return Version. |
| * @throws IOException when underlying input throws IOException. |
| */ |
| public static ProtocolVersion unpack(ClientMessageUnpacker unpacker) throws IOException { |
| return new ProtocolVersion(unpacker.unpackShort(), unpacker.unpackShort(), unpacker.unpackShort()); |
| } |
| |
| /** |
| * Writes this instance to the specified packer. |
| * |
| * @param packer Packer. |
| * @throws IOException when underlying output throws IOException. |
| */ |
| public void pack(ClientMessagePacker packer) throws IOException { |
| packer.packShort(major).packShort(minor).packShort(patch); |
| } |
| |
| /** |
| * Gets the major part. |
| * |
| * @return Major. |
| */ |
| public short major() { |
| return major; |
| } |
| |
| /** |
| * Gets the minor part. |
| * |
| * @return Minor. |
| */ |
| public short minor() { |
| return minor; |
| } |
| |
| /** |
| * Gets the patch part. |
| * |
| * @return Patch. |
| */ |
| public short patch() { |
| return patch; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean equals(Object obj) { |
| if (!(obj instanceof ProtocolVersion)) |
| return false; |
| |
| ProtocolVersion other = (ProtocolVersion)obj; |
| |
| return major == other.major && |
| minor == other.minor && |
| patch == other.patch; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int hashCode() { |
| int res = 31 * major; |
| res += ((minor & 0xFFFF) << 16) & (patch & 0xFFFF); |
| |
| return res; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int compareTo(ProtocolVersion other) { |
| int diff = major - other.major; |
| |
| if (diff != 0) |
| return diff; |
| |
| diff = minor - other.minor; |
| |
| if (diff != 0) |
| return diff; |
| |
| return patch - other.patch; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(ProtocolVersion.class, this); |
| } |
| } |