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103 changes: 103 additions & 0 deletions
103
...tsdb-storm-topology/src/main/java/org/openkilda/wfm/topology/opentsdb/models/Storage.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| /* 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.topology.opentsdb.models; | ||
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| import org.openkilda.messaging.info.Datapoint; | ||
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| import com.google.common.annotations.VisibleForTesting; | ||
| import lombok.ToString; | ||
| import lombok.Value; | ||
|
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| import java.io.Serializable; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.Map.Entry; | ||
| import java.util.Optional; | ||
| import java.util.SortedMap; | ||
| import java.util.TreeMap; | ||
|
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| @ToString | ||
| public class Storage implements Serializable { | ||
| public static final String NULL_KEY = "null"; | ||
| public static final char TAG_KEY_DELIMITER = '_'; | ||
| public static final char TAG_VALUE_DELIMITER = ':'; | ||
| public static final String NULL_TAG = "NULL_TAG"; | ||
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| private final Map<String, DatapointValue> map; | ||
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| public Storage() { | ||
| this.map = new HashMap<>(); | ||
| } | ||
|
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| public void add(Datapoint datapoint) { | ||
| map.put(createKey(datapoint), createValue(datapoint)); | ||
| } | ||
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| public DatapointValue get(Datapoint datapoint) { | ||
| return map.get(createKey(datapoint)); | ||
| } | ||
|
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| public void removeOutdated(long ttlInMillis) { | ||
| long now = System.currentTimeMillis(); | ||
| map.entrySet().removeIf(entry -> now - entry.getValue().getTime() > ttlInMillis); | ||
| } | ||
|
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| public int size() { | ||
| return map.size(); | ||
| } | ||
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| @VisibleForTesting | ||
| static String createKey(Datapoint datapoint) { | ||
| if (datapoint == null) { | ||
| return NULL_KEY; | ||
| } | ||
| StringBuilder key = new StringBuilder(); | ||
| key.append(datapoint.getMetric()); | ||
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| if (datapoint.getTags() != null) { | ||
| SortedMap<String, String> sortedTags = getSortedTags(datapoint); | ||
| for (Entry<String, String> entry : sortedTags.entrySet()) { | ||
| key.append(TAG_KEY_DELIMITER); | ||
| key.append(entry.getKey()); | ||
| key.append(TAG_VALUE_DELIMITER); | ||
| key.append(entry.getValue()); | ||
| } | ||
| } | ||
| return key.toString(); | ||
| } | ||
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| private static DatapointValue createValue(Datapoint datapoint) { | ||
| if (datapoint == null) { | ||
| return null; | ||
| } | ||
| return new DatapointValue(datapoint.getValue(), datapoint.getTime()); | ||
| } | ||
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| private static SortedMap<String, String> getSortedTags(Datapoint datapoint) { | ||
| SortedMap<String, String> sortedTags = new TreeMap<>(); | ||
| for (Entry<String, String> entry : datapoint.getTags().entrySet()) { | ||
| String key = Optional.ofNullable(entry.getKey()).orElse(NULL_TAG); | ||
| sortedTags.put(key, entry.getValue()); | ||
| } | ||
| return sortedTags; | ||
| } | ||
|
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| @Value | ||
| public static class DatapointValue implements Serializable { | ||
| Number value; | ||
| Long time; | ||
| } | ||
| } |
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