/*
* 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.storm.wrappers;
import org.apache.storm.generated.StormTopology;
import org.apache.storm.hooks.ITaskHook;
import org.apache.storm.metric.api.CombinedMetric;
import org.apache.storm.metric.api.ICombiner;
import org.apache.storm.metric.api.IMetric;
import org.apache.storm.metric.api.IReducer;
import org.apache.storm.metric.api.ReducedMetric;
import org.apache.storm.state.ISubscribedState;
import org.apache.storm.task.TopologyContext;
import org.apache.storm.tuple.Fields;
import clojure.lang.Atom;
import java.util.Collection;
import java.util.List;
import java.util.Map;
/**
* {@link FlinkTopologyContext} is a {@link TopologyContext} that overwrites certain method that are not applicable when
* a Storm topology is executed within Flink.
*/
final class FlinkTopologyContext extends TopologyContext {
/**
* Instantiates a new {@link FlinkTopologyContext} for a given Storm topology. The context object is instantiated
* for each parallel task
*/
FlinkTopologyContext(final StormTopology topology,
@SuppressWarnings("rawtypes") final Map stormConf,
final Map<Integer, String> taskToComponent, final Map<String, List<Integer>> componentToSortedTasks,
final Map<String, Map<String, Fields>> componentToStreamToFields, final String stormId, final String codeDir,
final String pidDir, final Integer taskId, final Integer workerPort, final List<Integer> workerTasks,
final Map<String, Object> defaultResources, final Map<String, Object> userResources,
final Map<String, Object> executorData, @SuppressWarnings("rawtypes") final Map registeredMetrics,
final Atom openOrPrepareWasCalled) {
super(topology, stormConf, taskToComponent, componentToSortedTasks, componentToStreamToFields, stormId,
codeDir, pidDir, taskId, workerPort, workerTasks, defaultResources, userResources, executorData,
registeredMetrics, openOrPrepareWasCalled);
}
/**
* Not supported by Flink.
*
* @throws UnsupportedOperationException
* at every invocation
*/
@Override
public void addTaskHook(final ITaskHook hook) {
throw new UnsupportedOperationException("Task hooks are not supported by Flink");
}
/**
* Not supported by Flink.
*
* @throws UnsupportedOperationException
* at every invocation
*/
@Override
public Collection<ITaskHook> getHooks() {
throw new UnsupportedOperationException("Task hooks are not supported by Flink");
}
/**
* Not supported by Flink.
*
* @throws UnsupportedOperationException
* at every invocation
*/
@Override
public IMetric getRegisteredMetricByName(final String name) {
throw new UnsupportedOperationException("Metrics are not supported by Flink");
}
/**
* Not supported by Flink.
*
* @throws UnsupportedOperationException
* at every invocation
*/
@SuppressWarnings("rawtypes")
@Override
public CombinedMetric registerMetric(final String name, final ICombiner combiner, final int timeBucketSizeInSecs) {
throw new UnsupportedOperationException("Metrics are not supported by Flink");
}
/**
* Not supported by Flink.
*
* @throws UnsupportedOperationException
* at every invocation
*/
@SuppressWarnings("rawtypes")
@Override
public ReducedMetric registerMetric(final String name, final IReducer combiner, final int timeBucketSizeInSecs) {
throw new UnsupportedOperationException("Metrics are not supported by Flink");
}
/**
* Not supported by Flink.
*
* @throws UnsupportedOperationException
* at every invocation
*/
@Override
public <T extends IMetric> T registerMetric(final String name, final T metric, final int timeBucketSizeInSecs) {
throw new UnsupportedOperationException("Metrics are not supported by Flink");
}
/**
* Not supported by Flink.
*
* @throws UnsupportedOperationException
* at every invocation
*/
@Override
public <T extends ISubscribedState> T setAllSubscribedState(final T obj) {
throw new UnsupportedOperationException("Not supported by Flink");
}
/**
* Not supported by Flink.
*
* @throws UnsupportedOperationException
* at every invocation
*/
@Override
public <T extends ISubscribedState> T setSubscribedState(final String componentId, final T obj) {
throw new UnsupportedOperationException("Not supported by Flink");
}
/**
* Not supported by Flink.
*
* @throws UnsupportedOperationException
* at every invocation
*/
@Override
public <T extends ISubscribedState> T setSubscribedState(final String componentId, final String streamId, final T
obj) {
throw new UnsupportedOperationException("Not supported by Flink");
}
}