| /* |
| * 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; |
| |
| import java.util.List; |
| import java.util.concurrent.CompletableFuture; |
| |
| import org.apache.samza.container.SamzaContainerContext; |
| import org.apache.samza.table.ReadWriteTable; |
| import org.apache.samza.table.utils.DefaultTableWriteMetrics; |
| import org.apache.samza.task.TaskContext; |
| |
| |
| /** |
| * A store backed readable and writable table |
| * |
| * @param <K> the type of the key in this table |
| * @param <V> the type of the value in this table |
| */ |
| public class LocalStoreBackedReadWriteTable<K, V> extends LocalStoreBackedReadableTable<K, V> |
| implements ReadWriteTable<K, V> { |
| |
| protected DefaultTableWriteMetrics writeMetrics; |
| |
| /** |
| * Constructs an instance of {@link LocalStoreBackedReadWriteTable} |
| * @param tableId the table Id |
| * @param kvStore the backing store |
| */ |
| public LocalStoreBackedReadWriteTable(String tableId, KeyValueStore kvStore) { |
| super(tableId, kvStore); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void init(SamzaContainerContext containerContext, TaskContext taskContext) { |
| super.init(containerContext, taskContext); |
| writeMetrics = new DefaultTableWriteMetrics(containerContext, taskContext, this, tableId); |
| } |
| |
| @Override |
| public void put(K key, V value) { |
| if (value != null) { |
| writeMetrics.numPuts.inc(); |
| long startNs = System.nanoTime(); |
| kvStore.put(key, value); |
| writeMetrics.putNs.update(System.nanoTime() - startNs); |
| } else { |
| delete(key); |
| } |
| } |
| |
| @Override |
| public CompletableFuture<Void> putAsync(K key, V value) { |
| CompletableFuture<Void> future = new CompletableFuture(); |
| try { |
| put(key, value); |
| future.complete(null); |
| } catch (Exception e) { |
| future.completeExceptionally(e); |
| } |
| return future; |
| } |
| |
| @Override |
| public void putAll(List<Entry<K, V>> entries) { |
| writeMetrics.numPutAlls.inc(); |
| long startNs = System.nanoTime(); |
| kvStore.putAll(entries); |
| writeMetrics.putAllNs.update(System.nanoTime() - startNs); |
| } |
| |
| @Override |
| public CompletableFuture<Void> putAllAsync(List<Entry<K, V>> entries) { |
| CompletableFuture<Void> future = new CompletableFuture(); |
| try { |
| putAll(entries); |
| future.complete(null); |
| } catch (Exception e) { |
| future.completeExceptionally(e); |
| } |
| return future; |
| } |
| |
| @Override |
| public void delete(K key) { |
| writeMetrics.numDeletes.inc(); |
| long startNs = System.nanoTime(); |
| kvStore.delete(key); |
| writeMetrics.deleteNs.update(System.nanoTime() - startNs); |
| } |
| |
| @Override |
| public CompletableFuture<Void> deleteAsync(K key) { |
| CompletableFuture<Void> future = new CompletableFuture(); |
| try { |
| delete(key); |
| future.complete(null); |
| } catch (Exception e) { |
| future.completeExceptionally(e); |
| } |
| return future; |
| } |
| |
| @Override |
| public void deleteAll(List<K> keys) { |
| writeMetrics.numDeleteAlls.inc(); |
| long startNs = System.nanoTime(); |
| kvStore.deleteAll(keys); |
| writeMetrics.deleteAllNs.update(System.nanoTime() - startNs); |
| } |
| |
| @Override |
| public CompletableFuture<Void> deleteAllAsync(List<K> keys) { |
| CompletableFuture<Void> future = new CompletableFuture(); |
| try { |
| deleteAll(keys); |
| future.complete(null); |
| } catch (Exception e) { |
| future.completeExceptionally(e); |
| } |
| return future; |
| } |
| |
| @Override |
| public void flush() { |
| writeMetrics.numFlushes.inc(); |
| long startNs = System.nanoTime(); |
| kvStore.flush(); |
| writeMetrics.flushNs.update(System.nanoTime() - startNs); |
| } |
| |
| } |