Adding an ability to use a default implementation for sending history. #5347
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| /* Copyright 2023 Telstra Open Source | ||
| * | ||
| * 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. | ||
| */ | ||
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| package org.openkilda.wfm; | ||
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| import org.apache.storm.tuple.Tuple; | ||
| import org.apache.storm.tuple.Values; | ||
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| /** | ||
| * This interface represents something that has CommandContext and | ||
| * knows how to emit the payload via the given Storm stream. | ||
| */ | ||
| public interface ContextEmittable { | ||
| CommandContext getCommandContext(); | ||
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| void emitWithContext(String stream, Tuple input, Values payload); | ||
| } |
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| @@ -0,0 +1,40 @@ | ||
| /* Copyright 2023 Telstra Open Source | ||
| * | ||
| * 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. | ||
| */ | ||
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| package org.openkilda.wfm; | ||
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| import org.openkilda.messaging.info.InfoMessage; | ||
| import org.openkilda.wfm.share.history.model.FlowHistoryHolder; | ||
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| import lombok.NonNull; | ||
| import org.apache.storm.tuple.Values; | ||
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| /** | ||
| * This is a default implementation for sending history updates that are accessible later via HistoryService. | ||
| * A topology that uses the bolt implementing this interface must register a path to history bolt. | ||
| * That is, in a topology that extends AbstractTopology, declare a Kafka bolt and specify a component ID | ||
| * that is a source of history updates in the fields grouping and declare a stream. | ||
| * TODO add a readme.md with the details and example. | ||
| */ | ||
| public interface DefaultHistoryUpdateCarrier extends HistoryUpdateCarrier, TupleIdentifiable, ContextEmittable { | ||
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| @Override | ||
| default void sendHistoryUpdate(@NonNull FlowHistoryHolder historyHolder) { | ||
| InfoMessage message = new InfoMessage(historyHolder, getCommandContext().getCreateTime(), | ||
| getCommandContext().getCorrelationId()); | ||
| emitWithContext(getHistoryStreamName(), getCurrentTuple(), | ||
| new Values(historyHolder.getTaskId(), message)); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| /* Copyright 2023 Telstra Open Source | ||
| * | ||
| * 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. | ||
| */ | ||
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| package org.openkilda.wfm; | ||
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| import org.apache.storm.tuple.Tuple; | ||
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| /** | ||
| * This interface represents something that has a distinct tuple that can be used as an anchor in Storm. | ||
| */ | ||
| public interface TupleIdentifiable { | ||
| Tuple getCurrentTuple(); | ||
| } |
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Just out of curiosity, you decided to point out explicitly AccessLevel.PUBLIC only to keep the common behaviour here, like as it is in the cases for AccessLevel.PROTECTED?
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It is a part of an interface now, so it has to be public