| // Copyright 2016 Twitter. All rights reserved. |
| // |
| // Licensed 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 backtype.storm; |
| |
| import java.util.Map; |
| |
| import com.twitter.heron.api.HeronSubmitter; |
| |
| import backtype.storm.generated.AlreadyAliveException; |
| import backtype.storm.generated.InvalidTopologyException; |
| import backtype.storm.generated.StormTopology; |
| import backtype.storm.utils.ConfigUtils; |
| |
| /** |
| * Use this class to submit topologies to run on the Storm cluster. You should run your program |
| * with the "storm jar" command from the command-line, and then use this class to |
| * submit your topologies. |
| */ |
| public final class StormSubmitter { |
| |
| private StormSubmitter() { |
| } |
| |
| /** |
| * Submits a topology to run on the cluster. A topology runs forever or until |
| * explicitly killed. |
| * |
| * @param name the name of the storm. |
| * @param stormConfig the topology-specific configuration. See {@link Config}. |
| * @param topology the processing to execute. |
| * @throws AlreadyAliveException if a topology with this name is already running |
| * @throws InvalidTopologyException if an invalid topology was submitted |
| */ |
| public static void submitTopology( |
| String name, |
| Map<String, Object> stormConfig, |
| StormTopology topology) throws AlreadyAliveException, InvalidTopologyException { |
| |
| // First do config translation |
| com.twitter.heron.api.Config heronConfig = ConfigUtils.translateConfig(stormConfig); |
| |
| // Now submit a heron topology |
| try { |
| HeronSubmitter.submitTopology(name, heronConfig, topology.getStormTopology()); |
| } catch (com.twitter.heron.api.exception.AlreadyAliveException e) { |
| throw new AlreadyAliveException(); |
| } catch (com.twitter.heron.api.exception.InvalidTopologyException e) { |
| throw new InvalidTopologyException(); |
| } |
| } |
| } |