| /* |
| * 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.flink.statefun.flink.core.translation; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.apache.flink.api.common.typeinfo.TypeInformation; |
| import org.apache.flink.statefun.flink.core.StatefulFunctionsUniverse; |
| import org.apache.flink.statefun.flink.core.types.StaticallyRegisteredTypes; |
| import org.apache.flink.statefun.sdk.io.EgressIdentifier; |
| import org.apache.flink.util.OutputTag; |
| |
| final class SideOutputTranslator { |
| private final StaticallyRegisteredTypes types; |
| private final Iterable<EgressIdentifier<?>> egressIdentifiers; |
| |
| SideOutputTranslator(StatefulFunctionsUniverse universe) { |
| this(universe.types(), universe.egress().keySet()); |
| } |
| |
| SideOutputTranslator( |
| StaticallyRegisteredTypes types, Iterable<EgressIdentifier<?>> egressIdentifiers) { |
| this.types = types; |
| this.egressIdentifiers = egressIdentifiers; |
| } |
| |
| Map<EgressIdentifier<?>, OutputTag<Object>> translate() { |
| Map<EgressIdentifier<?>, OutputTag<Object>> outputTags = new HashMap<>(); |
| |
| for (EgressIdentifier<?> id : egressIdentifiers) { |
| outputTags.put(id, outputTagFromId(id, types)); |
| } |
| |
| return outputTags; |
| } |
| |
| private static OutputTag<Object> outputTagFromId( |
| EgressIdentifier<?> id, StaticallyRegisteredTypes types) { |
| @SuppressWarnings("unchecked") |
| EgressIdentifier<Object> casted = (EgressIdentifier<Object>) id; |
| String name = String.format("%s.%s", id.namespace(), id.name()); |
| TypeInformation<Object> typeInformation = types.registerType(casted.consumedType()); |
| return new OutputTag<>(name, typeInformation); |
| } |
| } |