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💥 Use ActivitySerializationContext when starting and getting result of Standalone Activity #3063

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💥 Use ActivitySerializationContext when starting and getting result of Standalone Activity #3063

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afc5c28
Use ActivitySerializationContext when starting and getting result of …
maciejdudko Sep 10, 2026
edc2379
Fixed NPE
maciejdudko Sep 10, 2026
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20 changes: 18 additions & 2 deletions temporal-sdk/src/main/java/io/temporal/internal/client/RootActivityClientInvoker.java
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@
import io.temporal.internal.nexus.CurrentNexusOperationContext;
import io.temporal.internal.nexus.InternalNexusOperationContext;
import io.temporal.internal.nexus.NexusOperationMetadata;
import io.temporal.payload.context.ActivitySerializationContext;
import io.temporal.serviceclient.StatusUtils;
import java.lang.reflect.Type;
import java.util.*;
Expand Down Expand Up @@ -63,7 +64,18 @@ public StartActivityOutput startActivity(StartActivityInput input) {
if (Strings.isNullOrEmpty(options.getTaskQueue())) {
throw new IllegalArgumentException("taskQueue must not be null or empty");
}
DataConverter dc = clientOptions.getDataConverter();
DataConverter dc =
clientOptions
.getDataConverter()
.withContext(
new ActivitySerializationContext(
clientOptions.getNamespace(),
null,
null,
input.getActivityType(),
options.getTaskQueue(),
false));

InternalNexusOperationContext nexusContext =
CurrentNexusOperationContext.isNexusContext() ? CurrentNexusOperationContext.get() : null;
NexusOperationMetadata nexusOperationMetadata =
Expand Down Expand Up @@ -185,7 +197,11 @@ public StartActivityOutput startActivity(StartActivityInput input) {
public <R> GetActivityResultOutput<R> getActivityResult(GetActivityResultInput<R> input)
throws TimeoutException {
String namespace = clientOptions.getNamespace();
DataConverter dc = clientOptions.getDataConverter();
DataConverter dc =
clientOptions
.getDataConverter()
.withContext(
new ActivitySerializationContext(namespace, null, null, null, null, false));
Deadline deadline = Deadline.after(input.getTimeout(), input.getTimeoutUnit());

while (true) {
Expand Down
26 changes: 14 additions & 12 deletions temporal-sdk/src/main/java/io/temporal/payload/context/ActivitySerializationContext.java
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Original file line number Diff line number Diff line change
Expand Up @@ -11,32 +11,34 @@ public class ActivitySerializationContext implements HasWorkflowSerializationCon
private final @Nonnull String namespace;
private final @Nullable String workflowId;
private final @Nullable String workflowType;
private final @Nonnull String activityType;
private final @Nonnull String activityTaskQueue;
private final @Nullable String activityType;
private final @Nullable String activityTaskQueue;
private final boolean local;

/**
* @param namespace the activity's namespace; must not be {@code null}
* @param workflowId the workflow ID that scheduled the activity, or {@code null} for standalone
* activities (stored as an empty string)
* activities
* @param workflowType the workflow type that scheduled the activity, or {@code null} for
* standalone activities (stored as an empty string)
* @param activityType the activity type name; must not be {@code null}
* @param activityTaskQueue the task queue for this activity; must not be {@code null}
* standalone activities
* @param activityType the activity type name, or {@code null} if unknown. Activity type is
* unknown when getting a Standalone Activity result.
* @param activityTaskQueue the task queue for this activity, or {@code null} if unknown. Task
* queue is unknown when getting a Standalone Activity result.
* @param local {@code true} if this is a local activity
*/
public ActivitySerializationContext(
@Nonnull String namespace,
@Nullable String workflowId,
@Nullable String workflowType,
@Nonnull String activityType,
@Nonnull String activityTaskQueue,
@Nullable String activityType,
@Nullable String activityTaskQueue,
boolean local) {
this.namespace = Objects.requireNonNull(namespace);
this.workflowId = workflowId;
this.workflowType = workflowType;
this.activityType = Objects.requireNonNull(activityType);
this.activityTaskQueue = Objects.requireNonNull(activityTaskQueue);
this.activityType = activityType;
this.activityTaskQueue = activityTaskQueue;
this.local = local;
}

Expand Down Expand Up @@ -67,12 +69,12 @@ public String getWorkflowType() {
return workflowType;
}

@Nonnull
@Nullable
public String getActivityType() {
return activityType;
}

@Nonnull
@Nullable
public String getActivityTaskQueue() {
return activityTaskQueue;
}
Expand Down
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