| /* |
| * 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.samza.storage.kv.inmemory.descriptors; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.samza.config.Config; |
| import org.apache.samza.config.StorageConfig; |
| import org.apache.samza.serializers.KVSerde; |
| import org.apache.samza.storage.kv.LocalTableProviderFactory; |
| import org.apache.samza.storage.kv.inmemory.InMemoryKeyValueStorageEngineFactory; |
| import org.apache.samza.table.descriptors.LocalTableDescriptor; |
| |
| /** |
| * Table descriptor for in-memory tables |
| * |
| * @param <K> the type of the key |
| * @param <V> the type of the value |
| */ |
| public class InMemoryTableDescriptor<K, V> extends LocalTableDescriptor<K, V, InMemoryTableDescriptor<K, V>> { |
| |
| /** |
| * Constructs a table descriptor instance |
| * @param tableId Id of the table, it must conform to pattern {@literal [\\d\\w-_]+} |
| * @param serde the serde for key and value |
| */ |
| public InMemoryTableDescriptor(String tableId, KVSerde<K, V> serde) { |
| super(tableId, serde); |
| } |
| |
| @Override |
| public String getProviderFactoryClassName() { |
| return LocalTableProviderFactory.class.getName(); |
| } |
| |
| @Override |
| public Map<String, String> toConfig(Config jobConfig) { |
| Map<String, String> tableConfig = new HashMap<>(super.toConfig(jobConfig)); |
| // Store factory configuration |
| tableConfig.put(String.format(StorageConfig.FACTORY, tableId), |
| InMemoryKeyValueStorageEngineFactory.class.getName()); |
| return Collections.unmodifiableMap(tableConfig); |
| } |
| } |