| /* |
| * 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.processors.cache; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.IgniteException; |
| import org.apache.ignite.binary.BinaryField; |
| import org.apache.ignite.binary.BinaryObject; |
| import org.apache.ignite.cache.CacheKeyConfiguration; |
| import org.apache.ignite.internal.IgniteKernal; |
| import org.apache.ignite.internal.binary.BinaryObjectEx; |
| import org.apache.ignite.internal.processors.cache.binary.CacheObjectBinaryProcessorImpl; |
| import org.apache.ignite.internal.util.typedef.F; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * |
| */ |
| public class CacheDefaultBinaryAffinityKeyMapper extends GridCacheDefaultAffinityKeyMapper { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| private CacheObjectBinaryProcessorImpl proc; |
| |
| /** Mapping from type name to affinity field name. */ |
| private Map<String, String> typeNameAffFields = new HashMap<>(); |
| |
| /** Mapping from type ID to affinity field name. */ |
| private transient volatile Map<Integer, BinaryField> typeIdAffFields; |
| |
| /** |
| * Constructor. |
| * |
| * @param cacheKeyCfgs Cache key configurations. |
| */ |
| public CacheDefaultBinaryAffinityKeyMapper(@Nullable CacheKeyConfiguration[] cacheKeyCfgs) { |
| if (!F.isEmpty(cacheKeyCfgs)) { |
| for (CacheKeyConfiguration cacheKeyCfg : cacheKeyCfgs) |
| typeNameAffFields.put(cacheKeyCfg.getTypeName(), cacheKeyCfg.getAffinityKeyFieldName()); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Object affinityKey(Object key) { |
| try { |
| key = proc.toBinary(key, false); |
| } |
| catch (IgniteException e) { |
| U.error(log, "Failed to marshal key to binary: " + key, e); |
| } |
| |
| if (key instanceof BinaryObject) { |
| assert key instanceof BinaryObjectEx : "All BinaryObject implementations must implement " + |
| BinaryObjectEx.class.getName() + ": " + key.getClass().getName(); |
| |
| BinaryObjectEx key0 = (BinaryObjectEx)key; |
| |
| BinaryField affField = affinityKeyField(key0.typeId()); |
| |
| if (affField != null) { |
| Object res = affField.value(key0); |
| |
| if (res != null) |
| return res; |
| } |
| |
| return key; |
| } |
| else |
| return super.affinityKey(key); |
| } |
| |
| /** |
| * Get affinity field override for type. |
| * |
| * @param typeName Type name. |
| * @return Affinity field override if any. |
| */ |
| @Nullable public BinaryField affinityKeyField(String typeName) { |
| int typeId = proc.typeId(typeName); |
| |
| return affinityKeyField(typeId); |
| } |
| |
| /** |
| * Get affinity field override for type. |
| * |
| * @param typeId Type ID. |
| * @return Affinity field override if any. |
| */ |
| @Nullable public BinaryField affinityKeyField(int typeId) { |
| Map<Integer, BinaryField> typeIdAffFields0 = typeIdAffFields; |
| |
| if (typeIdAffFields0 == null) { |
| typeIdAffFields0 = new HashMap<>(); |
| |
| for (Map.Entry<String, String> entry : typeNameAffFields.entrySet()) { |
| String typeName = entry.getKey(); |
| String affFieldName = entry.getValue(); |
| |
| int curTypeId = proc.typeId(typeName); |
| |
| BinaryField field = proc.binaryContext().createField(curTypeId, affFieldName); |
| |
| typeIdAffFields0.put(curTypeId, field); |
| } |
| |
| typeIdAffFields = typeIdAffFields0; |
| } |
| |
| BinaryField res = typeIdAffFields0.get(typeId); |
| |
| if (res == null) |
| res = proc.affinityKeyField(typeId); |
| |
| return res; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void ignite(Ignite ignite) { |
| super.ignite(ignite); |
| |
| if (ignite != null) { |
| IgniteKernal kernal = (IgniteKernal)ignite; |
| |
| proc = (CacheObjectBinaryProcessorImpl)kernal.context().cacheObjects(); |
| } |
| } |
| } |