| /* |
| * 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.spi.discovery.tcp.messages; |
| |
| import java.util.UUID; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| |
| /** |
| * Handshake request. |
| */ |
| public class TcpDiscoveryHandshakeRequest extends TcpDiscoveryAbstractMessage { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| private UUID prevNodeId; |
| |
| /** |
| * Constructor. |
| * |
| * @param creatorNodeId Creator node ID. |
| */ |
| public TcpDiscoveryHandshakeRequest(UUID creatorNodeId) { |
| super(creatorNodeId); |
| } |
| |
| /** |
| * Gets topology change flag.<br> |
| * {@code True} means node intent to fail nodes in a ring. |
| * |
| * @return Change topology flag. |
| */ |
| public boolean changeTopology() { |
| return getFlag(CHANGE_TOPOLOGY_FLAG_POS); |
| } |
| |
| /** |
| * Gets expected previous node ID to check. |
| * |
| * @return Previous node ID to check. |
| */ |
| public UUID checkPreviousNodeId() { |
| return prevNodeId; |
| } |
| |
| /** |
| * Sets topology change flag and previous node ID to check.<br> |
| * |
| * @param prevNodeId If not {@code null}, will set topology check flag and set node ID to check. |
| */ |
| public void changeTopology(UUID prevNodeId) { |
| setFlag(CHANGE_TOPOLOGY_FLAG_POS, prevNodeId != null); |
| |
| this.prevNodeId = prevNodeId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(TcpDiscoveryHandshakeRequest.class, this, "super", super.toString(), |
| "isChangeTopology", changeTopology()); |
| } |
| } |