| /* |
| * 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; |
| |
| import java.io.Serializable; |
| import java.util.HashMap; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.UUID; |
| import org.apache.ignite.internal.GridComponent; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Provides interface for {@link GridComponent} to collect and exchange discovery data both on |
| * joining node and on cluster nodes. |
| * |
| * It only organizes interaction with components and doesn't provide any capabilities of converting collected data |
| * into formats eligible for transmitting over media (like marshalling, compressing and so on). |
| */ |
| public class DiscoveryDataBag { |
| /** |
| * Facade interface representing {@link DiscoveryDataBag} object with discovery data from joining node. |
| */ |
| public interface JoiningNodeDiscoveryData { |
| /** */ |
| UUID joiningNodeId(); |
| |
| /** */ |
| boolean hasJoiningNodeData(); |
| |
| /** */ |
| Serializable joiningNodeData(); |
| } |
| |
| /** |
| * Facade interface representing {@link DiscoveryDataBag} object with discovery data collected in the grid. |
| */ |
| public interface GridDiscoveryData { |
| /** */ |
| UUID joiningNodeId(); |
| |
| /** */ |
| Serializable commonData(); |
| |
| /** */ |
| Map<UUID, Serializable> nodeSpecificData(); |
| } |
| |
| /** |
| * |
| */ |
| private final class JoiningNodeDiscoveryDataImpl implements JoiningNodeDiscoveryData { |
| /** */ |
| private int cmpId; |
| |
| /** {@inheritDoc} */ |
| @Override public UUID joiningNodeId() { |
| return joiningNodeId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean hasJoiningNodeData() { |
| return joiningNodeData.containsKey(cmpId); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override @Nullable public Serializable joiningNodeData() { |
| return joiningNodeData.get(cmpId); |
| } |
| |
| /** |
| * @param cmpId Cmp id. |
| */ |
| private void setComponentId(int cmpId) { |
| this.cmpId = cmpId; |
| } |
| } |
| |
| /** |
| * |
| */ |
| private final class GridDiscoveryDataImpl implements GridDiscoveryData { |
| /** */ |
| private int cmpId; |
| |
| /** */ |
| private Map<UUID, Serializable> nodeSpecificData |
| = new LinkedHashMap<>(DiscoveryDataBag.this.nodeSpecificData.size()); |
| |
| /** {@inheritDoc} */ |
| @Override public UUID joiningNodeId() { |
| return joiningNodeId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override @Nullable public Serializable commonData() { |
| if (commonData != null) |
| return commonData.get(cmpId); |
| |
| return null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Map<UUID, Serializable> nodeSpecificData() { |
| return nodeSpecificData; |
| } |
| |
| /** |
| * @param cmpId component ID. |
| */ |
| private void componentId(int cmpId) { |
| this.cmpId = cmpId; |
| |
| reinitNodeSpecData(cmpId); |
| } |
| |
| /** |
| * @param cmpId component ID. |
| */ |
| private void reinitNodeSpecData(int cmpId) { |
| nodeSpecificData.clear(); |
| |
| for (Map.Entry<UUID, Map<Integer, Serializable>> e : DiscoveryDataBag.this.nodeSpecificData.entrySet()) { |
| if (e.getValue() != null && e.getValue().containsKey(cmpId)) |
| nodeSpecificData.put(e.getKey(), e.getValue().get(cmpId)); |
| } |
| } |
| } |
| |
| /** Used for collecting node-specific data from component. |
| * As component may not know about nodeId it is running on, when component adds node-specific data, |
| * it is firstly collected under this key and then moved to another map with a correct UUID key. |
| */ |
| private static final UUID DEFAULT_KEY = null; |
| |
| /** */ |
| private UUID joiningNodeId; |
| |
| /** |
| * Component IDs with already initialized common discovery data. |
| */ |
| private Set<Integer> cmnDataInitializedCmps; |
| |
| /** */ |
| private Map<Integer, Serializable> joiningNodeData = new HashMap<>(); |
| |
| /** */ |
| private Map<Integer, Serializable> commonData = new HashMap<>(); |
| |
| /** */ |
| private Map<UUID, Map<Integer, Serializable>> nodeSpecificData = new LinkedHashMap<>(); |
| |
| /** */ |
| private JoiningNodeDiscoveryDataImpl newJoinerData; |
| |
| /** */ |
| private GridDiscoveryDataImpl gridData; |
| |
| /** */ |
| private final boolean isJoiningNodeClient; |
| |
| /** |
| * @param joiningNodeId Joining node id. |
| * @param isJoiningNodeClient Flag indicates the joining node is client. |
| */ |
| public DiscoveryDataBag(UUID joiningNodeId, boolean isJoiningNodeClient) { |
| this.joiningNodeId = joiningNodeId; |
| this.isJoiningNodeClient = isJoiningNodeClient; |
| } |
| |
| /** |
| * @param joiningNodeId Joining node id. |
| * @param cmnDataInitializedCmps Component IDs with already initialized common discovery data. |
| * @param isJoiningNodeClient Flag indicates the joining node is client. |
| */ |
| public DiscoveryDataBag(UUID joiningNodeId, Set<Integer> cmnDataInitializedCmps, boolean isJoiningNodeClient) { |
| this.joiningNodeId = joiningNodeId; |
| this.cmnDataInitializedCmps = cmnDataInitializedCmps; |
| this.isJoiningNodeClient = isJoiningNodeClient; |
| } |
| |
| /** |
| * @return ID of joining node. |
| */ |
| public UUID joiningNodeId() { |
| return joiningNodeId; |
| } |
| |
| /** |
| * @return {@code true} if the joining node is client node. Return {@code false} otherwise. |
| */ |
| public boolean isJoiningNodeClient() { |
| return isJoiningNodeClient; |
| } |
| |
| /** |
| * @param cmpId Component ID. |
| * @return Discovery data for given component. |
| */ |
| public GridDiscoveryData gridDiscoveryData(int cmpId) { |
| if (gridData == null) |
| gridData = new GridDiscoveryDataImpl(); |
| |
| gridData.componentId(cmpId); |
| |
| return gridData; |
| } |
| |
| /** |
| * @param cmpId Component ID. |
| * @return Joining node discovery data. |
| */ |
| public JoiningNodeDiscoveryData newJoinerDiscoveryData(int cmpId) { |
| if (newJoinerData == null) |
| newJoinerData = new JoiningNodeDiscoveryDataImpl(); |
| |
| newJoinerData.setComponentId(cmpId); |
| |
| return newJoinerData; |
| } |
| |
| /** |
| * @param cmpId Component ID. |
| * @param data Data. |
| */ |
| public void addJoiningNodeData(Integer cmpId, Serializable data) { |
| joiningNodeData.put(cmpId, data); |
| } |
| |
| /** |
| * @param cmpId Component ID. |
| * @param data Data. |
| */ |
| public void addGridCommonData(Integer cmpId, Serializable data) { |
| commonData.put(cmpId, data); |
| } |
| |
| /** |
| * @param cmpId Component ID. |
| * @param data Data. |
| */ |
| public void addNodeSpecificData(Integer cmpId, Serializable data) { |
| if (!nodeSpecificData.containsKey(DEFAULT_KEY)) |
| nodeSpecificData.put(DEFAULT_KEY, new HashMap<Integer, Serializable>()); |
| |
| nodeSpecificData.get(DEFAULT_KEY).put(cmpId, data); |
| } |
| |
| /** |
| * @param cmpId Component ID. |
| * @return {@code True} if common data collected for given component. |
| */ |
| public boolean commonDataCollectedFor(Integer cmpId) { |
| assert cmnDataInitializedCmps != null; |
| |
| return cmnDataInitializedCmps.contains(cmpId); |
| } |
| |
| /** |
| * @param joinNodeData Joining node data. |
| */ |
| public void joiningNodeData(Map<Integer, Serializable> joinNodeData) { |
| joiningNodeData.putAll(joinNodeData); |
| } |
| |
| /** |
| * @param cmnData Cmn data. |
| */ |
| public void commonData(Map<Integer, Serializable> cmnData) { |
| commonData.putAll(cmnData); |
| } |
| |
| /** |
| * @param nodeSpecData Node specific data. |
| */ |
| public void nodeSpecificData(Map<UUID, Map<Integer, Serializable>> nodeSpecData) { |
| nodeSpecificData.putAll(nodeSpecData); |
| } |
| |
| /** |
| * |
| */ |
| public Map<Integer, Serializable> joiningNodeData() { |
| return joiningNodeData; |
| } |
| |
| /** |
| * |
| */ |
| public Map<Integer, Serializable> commonData() { |
| return commonData; |
| } |
| |
| /** |
| * |
| */ |
| @Nullable public Map<Integer, Serializable> localNodeSpecificData() { |
| return nodeSpecificData.get(DEFAULT_KEY); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(DiscoveryDataBag.class, this); |
| } |
| } |