| /* |
| * 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.sql.util; |
| |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.CompletableFuture; |
| import org.apache.samza.config.Config; |
| import org.apache.samza.sql.serializers.SamzaSqlRelMessageSerdeFactory; |
| import org.apache.samza.sql.serializers.SamzaSqlRelRecordSerdeFactory; |
| import org.apache.samza.table.descriptors.RemoteTableDescriptor; |
| import org.apache.samza.table.descriptors.TableDescriptor; |
| import org.apache.samza.serializers.KVSerde; |
| import org.apache.samza.sql.interfaces.SqlIOConfig; |
| import org.apache.samza.sql.interfaces.SqlIOResolver; |
| import org.apache.samza.sql.interfaces.SqlIOResolverFactory; |
| import org.apache.samza.storage.kv.descriptors.RocksDbTableDescriptor; |
| import org.apache.samza.table.remote.BaseTableFunction; |
| import org.apache.samza.table.remote.TableReadFunction; |
| import org.apache.samza.table.remote.TableWriteFunction; |
| |
| import static org.apache.samza.sql.runner.SamzaSqlApplicationConfig.CFG_METADATA_TOPIC_PREFIX; |
| import static org.apache.samza.sql.runner.SamzaSqlApplicationConfig.DEFAULT_METADATA_TOPIC_PREFIX; |
| |
| |
| public class RemoteStoreIOResolverTestFactory implements SqlIOResolverFactory { |
| public static final String TEST_REMOTE_STORE_SYSTEM = "testRemoteStore"; |
| public static final String TEST_TABLE_ID = "testTableId"; |
| |
| public static transient Map<Object, Object> records = new HashMap<>(); |
| |
| @Override |
| public SqlIOResolver create(Config config, Config fullConfig) { |
| return new TestRemoteStoreIOResolver(config); |
| } |
| |
| public static class InMemoryWriteFunction extends BaseTableFunction |
| implements TableWriteFunction<Object, Object> { |
| |
| @Override |
| public CompletableFuture<Void> putAsync(Object key, Object record) { |
| records.put(key.toString(), record); |
| return CompletableFuture.completedFuture(null); |
| } |
| |
| @Override |
| public CompletableFuture<Void> deleteAsync(Object key) { |
| records.remove(key.toString()); |
| return CompletableFuture.completedFuture(null); |
| } |
| |
| @Override |
| public boolean isRetriable(Throwable exception) { |
| return false; |
| } |
| } |
| |
| static class InMemoryReadFunction extends BaseTableFunction |
| implements TableReadFunction<Object, Object> { |
| |
| @Override |
| public CompletableFuture<Object> getAsync(Object key) { |
| return CompletableFuture.completedFuture(records.get(key.toString())); |
| } |
| |
| @Override |
| public boolean isRetriable(Throwable exception) { |
| return false; |
| } |
| } |
| |
| private class TestRemoteStoreIOResolver implements SqlIOResolver { |
| private static final String SAMZA_SQL_QUERY_TABLE_KEYWORD = "$table"; |
| private final Config config; |
| private final Map<String, TableDescriptor> tableDescMap = new HashMap<>(); |
| private final String changeLogStorePrefix; |
| |
| public TestRemoteStoreIOResolver(Config config) { |
| this.config = config; |
| String metadataTopicPrefix = config.get(CFG_METADATA_TOPIC_PREFIX, DEFAULT_METADATA_TOPIC_PREFIX); |
| this.changeLogStorePrefix = metadataTopicPrefix + (metadataTopicPrefix.isEmpty() ? "" : "_"); |
| } |
| |
| private SqlIOConfig fetchIOInfo(String ioName, boolean isSink) { |
| String[] sourceComponents = ioName.split("\\."); |
| int systemIdx = 0; |
| int endIdx = sourceComponents.length - 1; |
| int streamIdx = endIdx; |
| TableDescriptor tableDescriptor = null; |
| |
| if (sourceComponents[endIdx].equalsIgnoreCase(SAMZA_SQL_QUERY_TABLE_KEYWORD)) { |
| streamIdx = endIdx - 1; |
| |
| tableDescriptor = tableDescMap.get(ioName); |
| |
| if (tableDescriptor == null) { |
| if (isSink) { |
| tableDescriptor = new RemoteTableDescriptor<>(TEST_TABLE_ID + "-" + ioName.replace(".", "-").replace("$", "-")) |
| .withReadFunction(new InMemoryReadFunction()) |
| .withWriteFunction(new InMemoryWriteFunction()) |
| .withRateLimiterDisabled(); |
| } else if (sourceComponents[systemIdx].equals(TEST_REMOTE_STORE_SYSTEM)) { |
| tableDescriptor = new RemoteTableDescriptor<>(TEST_TABLE_ID + "-" + ioName.replace(".", "-").replace("$", "-")) |
| .withReadFunction(new InMemoryReadFunction()) |
| .withRateLimiterDisabled(); |
| } else { |
| // A local table |
| String tableId = changeLogStorePrefix + "InputTable-" + ioName.replace(".", "-").replace("$", "-"); |
| SamzaSqlRelRecordSerdeFactory.SamzaSqlRelRecordSerde keySerde = |
| (SamzaSqlRelRecordSerdeFactory.SamzaSqlRelRecordSerde) new SamzaSqlRelRecordSerdeFactory().getSerde(null, null); |
| SamzaSqlRelMessageSerdeFactory.SamzaSqlRelMessageSerde valueSerde = |
| (SamzaSqlRelMessageSerdeFactory.SamzaSqlRelMessageSerde) new SamzaSqlRelMessageSerdeFactory().getSerde(null, null); |
| tableDescriptor = new RocksDbTableDescriptor(tableId, KVSerde.of(keySerde, valueSerde)).withChangelogEnabled(); |
| } |
| tableDescMap.put(ioName, tableDescriptor); |
| } |
| } |
| |
| Config systemConfigs = config.subset(sourceComponents[systemIdx] + "."); |
| return new SqlIOConfig(sourceComponents[systemIdx], sourceComponents[streamIdx], |
| Arrays.asList(sourceComponents), systemConfigs, tableDescriptor); |
| } |
| |
| @Override |
| public SqlIOConfig fetchSourceInfo(String sourceName) { |
| return fetchIOInfo(sourceName, false); |
| } |
| |
| @Override |
| public SqlIOConfig fetchSinkInfo(String sinkName) { |
| return fetchIOInfo(sinkName, true); |
| } |
| } |
| } |