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cache hashcode for UUIDBased and TbSubscription

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This commit is contained in:
Sergey Matvienko 2024-09-17 14:11:07 +02:00
parent 1f518cddbe
commit 6a726a8c56
2 changed files with 16 additions and 5 deletions
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8
application/src/main/java/org/thingsboard/server/service/subscription/TbSubscription.java
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@ -27,6 +27,9 @@ import java.util.function.BiConsumer;
@AllArgsConstructor @AllArgsConstructor
public abstract class TbSubscription<T> { public abstract class TbSubscription<T> {
/** Cache the hash code */
private transient int hash; // Default to 0. The hash code calculated for this object likely never be zero
private final String serviceId; private final String serviceId;
private final String sessionId; private final String sessionId;
private final int subscriptionId; private final int subscriptionId;
@ -49,7 +52,10 @@ public abstract class TbSubscription<T> {
@Override @Override
public int hashCode() { public int hashCode() {
return Objects.hash(sessionId, subscriptionId, tenantId, entityId, type); if (hash == 0) {
hash = Objects.hash(sessionId, subscriptionId, tenantId, entityId, type);
}
return hash;
} }
} }

13
common/data/src/main/java/org/thingsboard/server/common/data/id/UUIDBased.java
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@ -25,6 +25,9 @@ public abstract class UUIDBased implements HasUUID, Serializable {
private static final long serialVersionUID = 1L; private static final long serialVersionUID = 1L;
/** Cache the hash code */
private transient int hash; // Default to 0. The hash code calculated for this object likely never be zero
private final UUID id; private final UUID id;
public UUIDBased() { public UUIDBased() {
@ -43,10 +46,12 @@ public abstract class UUIDBased implements HasUUID, Serializable {
@Override @Override
public int hashCode() { public int hashCode() {
final int prime = 31; if (hash == 0) {
int result = 1; final int prime = 31;
result = prime * result + ((id == null) ? 0 : id.hashCode()); int result = 1;
return result; hash = prime * result + ((id == null) ? 0 : id.hashCode());
}
return hash;
} }
@Override @Override