robinyqiu commented on a change in pull request #12237:
URL: https://github.com/apache/beam/pull/12237#discussion_r453821984
##########
File path:
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/pubsub/PubsubSchemaCapableIOProvider.java
##########
@@ -116,11 +116,21 @@ public Schema configurationSchema() {
public PubsubSchemaIO from(String location, Row configuration, Schema
dataSchema) {
validateConfigurationSchema(configuration);
validateDlq(configuration.getValue("deadLetterQueue"));
- validateEventTimestamp(dataSchema);
+ validateDataSchema(dataSchema);
return new PubsubSchemaIO(location, configuration, dataSchema);
}
- private void validateEventTimestamp(Schema schema) {
+ @Override
+ public Boolean requiresDataSchema() {
+ return true;
+ }
+
+ private void validateDataSchema(Schema schema) {
+ if (requiresDataSchema() && schema == null) {
Review comment:
Consider removing `requiresDataSchema()` because it is always true here?
I know this is the general logic but in this specific provider this call is
not necessary.
##########
File path:
sdks/java/core/src/main/java/org/apache/beam/sdk/schemas/io/SchemaIOProvider.java
##########
@@ -47,5 +48,8 @@
* resides there, and some IO-specific configuration object. Can throw a
{@link
* InvalidConfigurationException} or a {@link InvalidSchemaException}.
*/
- SchemaIO from(String location, Row configuration, Schema dataSchema);
+ SchemaIO from(String location, Row configuration, @Nullable Schema
dataSchema);
+
+ /** Indicates whether the dataSchema value is necessary. */
+ Boolean requiresDataSchema();
Review comment:
Prefer return primitive `boolean` type?
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