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Refactoring for TelemetrySubscriptionUpdate

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This commit is contained in:
ViacheslavKlimov 2025-05-28 20:24:48 +03:00
parent c93a82a627
commit 69c9c4616c
5 changed files with 61 additions and 49 deletions
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12
application/src/main/java/org/thingsboard/server/service/subscription/TbAbstractEntityQuerySubCtx.java
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@ -44,6 +44,7 @@ import org.thingsboard.server.service.ws.WebSocketSessionRef;
import org.thingsboard.server.service.ws.telemetry.sub.TelemetrySubscriptionUpdate;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@ -154,9 +155,8 @@ public abstract class TbAbstractEntityQuerySubCtx<T extends EntityCountQuery> ex
private void dynamicValueSubUpdate(String sessionId, TelemetrySubscriptionUpdate subscriptionUpdate,
Map<String, DynamicValueKeySub> dynamicValueKeySubMap) {
Map<String, TsValue> latestUpdate = new HashMap<>();
subscriptionUpdate.getData().forEach((k, v) -> {
Object[] data = (Object[]) v.get(0);
latestUpdate.put(k, new TsValue((Long) data[0], (String) data[1]));
subscriptionUpdate.getData().forEach((key, values) -> {
latestUpdate.put(key, getLatest(values));
});
boolean invalidateFilter = false;
@ -283,6 +283,12 @@ public abstract class TbAbstractEntityQuerySubCtx<T extends EntityCountQuery> ex
}
}
protected TsValue getLatest(List<TsValue> values) {
return values.stream()
.max(Comparator.comparing(TsValue::getTs))
.orElse(null);
}
@Data
public static class DynamicValueKey {
@Getter

6
application/src/main/java/org/thingsboard/server/service/subscription/TbAlarmDataSubCtx.java
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@ -38,7 +38,6 @@ import org.thingsboard.server.common.data.query.TsValue;
import org.thingsboard.server.dao.alarm.AlarmService;
import org.thingsboard.server.dao.attributes.AttributesService;
import org.thingsboard.server.dao.entity.EntityService;
import org.thingsboard.server.dao.model.ModelConstants;
import org.thingsboard.server.dao.sql.query.EntityKeyMapping;
import org.thingsboard.server.service.ws.WebSocketService;
import org.thingsboard.server.service.ws.WebSocketSessionRef;
@ -191,9 +190,8 @@ public class TbAlarmDataSubCtx extends TbAbstractDataSubCtx<AlarmDataQuery> {
EntityId entityId = subToEntityIdMap.get(subscriptionUpdate.getSubscriptionId());
if (entityId != null) {
Map<String, TsValue> latestUpdate = new HashMap<>();
subscriptionUpdate.getData().forEach((k, v) -> {
Object[] data = (Object[]) v.get(0);
latestUpdate.put(k, new TsValue((Long) data[0], (String) data[1]));
subscriptionUpdate.getData().forEach((key, values) -> {
latestUpdate.put(key, getLatest(values));
});
EntityData entityData = entitiesMap.get(entityId);
entityData.getLatest().computeIfAbsent(keyType, tmp -> new HashMap<>()).putAll(latestUpdate);

40
application/src/main/java/org/thingsboard/server/service/subscription/TbEntityDataSubCtx.java
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@ -43,7 +43,6 @@ import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
@ -94,16 +93,12 @@ public class TbEntityDataSubCtx extends TbAbstractDataSubCtx<EntityDataQuery> {
private void sendLatestWsMsg(EntityId entityId, String sessionId, TelemetrySubscriptionUpdate subscriptionUpdate, EntityKeyType keyType) {
Map<String, TsValue> latestUpdate = new HashMap<>();
subscriptionUpdate.getData().forEach((key, data) -> data.stream()
.filter(o -> o instanceof Object[] && ((Object[]) o).length > 0 && ((Object[]) o)[0] instanceof Long)
.max(Comparator.comparingLong(o -> (Long) ((Object[]) o)[0]))
.ifPresent(max -> {
Object[] arr = (Object[]) max;
latestUpdate.put(key, new TsValue((Long) arr[0], (String) arr[1]));
}));
subscriptionUpdate.getData().forEach((key, values) -> {
latestUpdate.put(key, getLatest(values));
});
EntityData entityData = getDataForEntity(entityId);
if (entityData != null && entityData.getLatest() != null) {
Map<String, TsValue> latestCtxValues = entityData.getLatest().computeIfAbsent(keyType, key -> new HashMap<>());
Map<String, TsValue> latestCtxValues = entityData.getLatest().computeIfAbsent(keyType, __ -> new HashMap<>());
log.trace("[{}][{}][{}] Going to compare update with {}", sessionId, cmdId, subscriptionUpdate.getSubscriptionId(), latestCtxValues);
latestCtxValues.forEach((k, v) -> {
TsValue update = latestUpdate.get(k);
@ -134,40 +129,39 @@ public class TbEntityDataSubCtx extends TbAbstractDataSubCtx<EntityDataQuery> {
private void sendTsWsMsg(EntityId entityId, String sessionId, TelemetrySubscriptionUpdate subscriptionUpdate, EntityKeyType keyType) {
Map<String, List<TsValue>> tsUpdate = new HashMap<>();
subscriptionUpdate.getData().forEach((k, v) -> {
Object[] data = (Object[]) v.get(0);
tsUpdate.computeIfAbsent(k, key -> new ArrayList<>()).add(new TsValue((Long) data[0], (String) data[1]));
subscriptionUpdate.getData().forEach((key, values) -> {
tsUpdate.put(key, new ArrayList<>(values));
});
Map<String, TsValue> latestCtxValues = getLatestTsValuesForEntity(entityId);
log.trace("[{}][{}][{}] Going to compare update with {}", sessionId, cmdId, subscriptionUpdate.getSubscriptionId(), latestCtxValues);
if (latestCtxValues != null) {
latestCtxValues.forEach((k, v) -> {
List<TsValue> updateList = tsUpdate.get(k);
latestCtxValues.forEach((key, latest) -> {
List<TsValue> updateList = tsUpdate.get(key);
if (updateList != null) {
for (TsValue update : new ArrayList<>(updateList)) {
if (update.getTs() < v.getTs()) {
log.trace("[{}][{}][{}] Removed stale update for key: {} and ts: {}", sessionId, cmdId, subscriptionUpdate.getSubscriptionId(), k, update.getTs());
if (update.getTs() < latest.getTs()) {
log.trace("[{}][{}][{}] Removed stale update for key: {} and ts: {}", sessionId, cmdId, subscriptionUpdate.getSubscriptionId(), key, update.getTs());
// Looks like this is redundant feature and our UI is ready to merge the updates.
//updateList.remove(update);
} else if ((update.getTs() == v.getTs() && update.getValue().equals(v.getValue()))) {
log.trace("[{}][{}][{}] Removed duplicate update for key: {} and ts: {}", sessionId, cmdId, subscriptionUpdate.getSubscriptionId(), k, update.getTs());
} else if ((update.getTs() == latest.getTs() && update.getValue().equals(latest.getValue()))) {
log.trace("[{}][{}][{}] Removed duplicate update for key: {} and ts: {}", sessionId, cmdId, subscriptionUpdate.getSubscriptionId(), key, update.getTs());
updateList.remove(update);
}
if (updateList.isEmpty()) {
tsUpdate.remove(k);
tsUpdate.remove(key);
}
}
}
});
//Setting new values
tsUpdate.forEach((k, v) -> {
Optional<TsValue> maxValue = v.stream().max(Comparator.comparingLong(TsValue::getTs));
maxValue.ifPresent(max -> latestCtxValues.put(k, max));
tsUpdate.forEach((key, values) -> {
values.stream().max(Comparator.comparingLong(TsValue::getTs))
.ifPresent(latest -> latestCtxValues.put(key, latest));
});
}
if (!tsUpdate.isEmpty()) {
Map<String, TsValue[]> tsMap = new HashMap<>();
tsUpdate.forEach((key, tsValue) -> tsMap.put(key, tsValue.toArray(new TsValue[tsValue.size()])));
tsUpdate.forEach((key, values) -> tsMap.put(key, values.toArray(new TsValue[0])));
EntityData entityData = new EntityData(entityId, null, tsMap);
sendWsMsg(new EntityDataUpdate(cmdId, null, Collections.singletonList(entityData), maxEntitiesPerDataSubscription));
}

2
application/src/main/java/org/thingsboard/server/service/ws/DefaultWebSocketService.java
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@ -274,7 +274,7 @@ public class DefaultWebSocketService implements WebSocketService {
@Override
public void sendUpdate(String sessionId, int cmdId, TelemetrySubscriptionUpdate update) {
// We substitute the subscriptionId with cmdId for old-style subscriptions.
doSendUpdate(sessionId, cmdId, update.copyWithNewSubscriptionId(cmdId));
doSendUpdate(sessionId, cmdId, update.withSubscriptionId(cmdId));
}
@Override

48
application/src/main/java/org/thingsboard/server/service/ws/telemetry/sub/TelemetrySubscriptionUpdate.java
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@ -16,12 +16,16 @@
package org.thingsboard.server.service.ws.telemetry.sub;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.With;
import org.thingsboard.server.common.data.kv.TsKvEntry;
import org.thingsboard.server.common.data.query.TsValue;
import org.thingsboard.server.service.subscription.SubscriptionErrorCode;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
@ -29,8 +33,13 @@ import java.util.stream.Collectors;
@AllArgsConstructor
public class TelemetrySubscriptionUpdate {
@Getter
@With
private final int subscriptionId;
@Getter
private int errorCode;
@Getter
private String errorMsg;
private Map<String, List<Object>> data;
@ -66,11 +75,27 @@ public class TelemetrySubscriptionUpdate {
this.errorMsg = errorMsg != null ? errorMsg : errorCode.getDefaultMsg();
}
public int getSubscriptionId() {
return subscriptionId;
public Map<String, List<TsValue>> getData() {
if (data == null || data.isEmpty()) {
return Collections.emptyMap();
}
public Map<String, List<Object>> getData() {
Map<String, List<TsValue>> data = new HashMap<>();
this.data.forEach((key, entries) -> {
if (entries.isEmpty()) {
return;
}
List<TsValue> values = new ArrayList<>(entries.size());
entries.forEach(object -> {
if (!(object instanceof Object[] entry) || entry.length < 2) {
return;
}
TsValue tsValue = new TsValue((Long) entry[0], (String) entry[1]);
values.add(tsValue);
});
data.put(key, values);
});
return data;
}
@ -86,28 +111,17 @@ public class TelemetrySubscriptionUpdate {
}
}
public int getErrorCode() {
return errorCode;
}
public String getErrorMsg() {
return errorMsg;
}
public TelemetrySubscriptionUpdate copyWithNewSubscriptionId(int subscriptionId){
return new TelemetrySubscriptionUpdate(subscriptionId, errorCode, errorMsg, data);
}
@Override
public String toString() {
StringBuilder result = new StringBuilder("TelemetrySubscriptionUpdate [subscriptionId=" + subscriptionId + ", errorCode=" + errorCode + ", errorMsg=" + errorMsg + ", data=");
data.forEach((k, v) -> {
result.append(k).append("=[");
for(Object a : v){
result.append(Arrays.toString((Object[])a)).append("|");
for (Object a : v) {
result.append(Arrays.toString((Object[]) a)).append("|");
}
result.append("]");
});
return result.toString();
}
}