| /* |
| * 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.internal.events; |
| |
| import org.apache.ignite.events.DiscoveryEvent; |
| import org.apache.ignite.internal.managers.discovery.DiscoveryCustomMessage; |
| import org.apache.ignite.internal.managers.discovery.GridDiscoveryManager; |
| import org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion; |
| import org.apache.ignite.internal.processors.cache.persistence.snapshot.SnapshotDiscoveryMessage; |
| import org.apache.ignite.internal.processors.cluster.ChangeGlobalStateMessage; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Custom event. |
| */ |
| public class DiscoveryCustomEvent extends DiscoveryEvent { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** |
| * Built-in event type: custom event sent. |
| * <br> |
| * Generated when someone invoke {@link GridDiscoveryManager#sendCustomEvent(DiscoveryCustomMessage)}. |
| * <p> |
| * |
| * @see DiscoveryCustomEvent |
| */ |
| public static final int EVT_DISCOVERY_CUSTOM_EVT = 18; |
| |
| /** */ |
| private DiscoveryCustomMessage customMsg; |
| |
| /** Affinity topology version. */ |
| private AffinityTopologyVersion affTopVer; |
| |
| /** |
| * Default constructor. |
| */ |
| public DiscoveryCustomEvent() { |
| type(EVT_DISCOVERY_CUSTOM_EVT); |
| } |
| |
| /** |
| * @return Data. |
| */ |
| public DiscoveryCustomMessage customMessage() { |
| return customMsg; |
| } |
| |
| /** |
| * @param customMsg New customMessage. |
| */ |
| public void customMessage(DiscoveryCustomMessage customMsg) { |
| this.customMsg = customMsg; |
| } |
| |
| /** |
| * @return Affinity topology version. |
| */ |
| public AffinityTopologyVersion affinityTopologyVersion() { |
| return affTopVer; |
| } |
| |
| /** |
| * @param affTopVer Affinity topology version. |
| */ |
| public void affinityTopologyVersion(AffinityTopologyVersion affTopVer) { |
| this.affTopVer = affTopVer; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(DiscoveryCustomEvent.class, this, super.toString()); |
| } |
| |
| /** |
| * @param evt Discovery event. |
| * @return {@code True} if event is DiscoveryCustomEvent that requires centralized affinity assignment. |
| */ |
| public static boolean requiresCentralizedAffinityAssignment(DiscoveryEvent evt) { |
| if (!(evt instanceof DiscoveryCustomEvent)) |
| return false; |
| |
| return requiresCentralizedAffinityAssignment(((DiscoveryCustomEvent)evt).customMessage()); |
| } |
| |
| /** |
| * @param msg Discovery custom message. |
| * @return {@code True} if message belongs to event that requires centralized affinity assignment. |
| */ |
| public static boolean requiresCentralizedAffinityAssignment(@Nullable DiscoveryCustomMessage msg) { |
| if (msg == null) |
| return false; |
| |
| if (msg instanceof ChangeGlobalStateMessage && ((ChangeGlobalStateMessage)msg).activate()) |
| return true; |
| |
| if (msg instanceof SnapshotDiscoveryMessage) { |
| SnapshotDiscoveryMessage snapMsg = (SnapshotDiscoveryMessage) msg; |
| |
| return snapMsg.needExchange() && snapMsg.needAssignPartitions(); |
| } |
| |
| return false; |
| } |
| } |