| /** |
| * 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.storm.trident.operation; |
| |
| import java.util.Map; |
| import java.util.Set; |
| import org.apache.storm.generated.SharedMemory; |
| |
| /** |
| * This interface is implemented by various Trident classes in order to gather and propogate resources that have been set on them. |
| * |
| * @see ResourceDeclarer |
| */ |
| public interface ITridentResource { |
| /** |
| * Get resource. |
| * @return a name of resource name -> amount of that resource. *Return should never be null!* |
| */ |
| Map<String, Number> getResources(); |
| |
| /** |
| * Get shared memory. |
| * @return the shared memory region requests |
| */ |
| Set<SharedMemory> getSharedMemory(); |
| } |