org.apache.storm.kafka.StaticCoordinator Maven / Gradle / Ivy
/**
* 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.kafka;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.storm.kafka.trident.GlobalPartitionInformation;
public class StaticCoordinator implements PartitionCoordinator {
private Map managers = new HashMap<>();
private List allManagers = new ArrayList<>();
public StaticCoordinator(DynamicPartitionConnections connections,
Map stormConf,
SpoutConfig config,
ZkState state,
int taskIndex,
int totalTasks,
String topologyInstanceId) {
StaticHosts hosts = (StaticHosts) config.hosts;
List partitions = new ArrayList();
partitions.add(hosts.getPartitionInformation());
List myPartitions =
KafkaUtils.calculatePartitionsForTask(partitions, totalTasks, taskIndex);
for (Partition myPartition : myPartitions) {
managers.put(myPartition,
new PartitionManager(connections, topologyInstanceId,
state, stormConf, config, myPartition));
}
allManagers = new ArrayList<>(managers.values());
}
@Override
public List getMyManagedPartitions() {
return allManagers;
}
public PartitionManager getManager(Partition partition) {
return managers.get(partition);
}
@Override
public void refresh() {
return;
}
}