merlimat commented on a change in pull request #3752: revise the schema default
type not null
URL: https://github.com/apache/pulsar/pull/3752#discussion_r263035591
##########
File path:
pulsar-client-api/src/main/java/org/apache/pulsar/client/api/Schema.java
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@@ -167,49 +167,95 @@ default T decode(byte[] bytes, byte[] schemaVersion) {
}
/**
- * Create a Avro schema type by extracting the fields of the specified
class.
+ * Create a allow null Avro schema type by extracting the fields of the
specified class.
*
* @param clazz the POJO class to be used to extract the Avro schema
* @return a Schema instance
*/
static <T> Schema<T> AVRO(Class<T> clazz) {
- return DefaultImplementation.newAvroSchema(clazz);
+ return DefaultImplementation.newAvroSchema(clazz, true);
}
/**
- * Create a JSON schema type by extracting the fields of the specified
class.
+ * Create a Avro schema type by extracting the fields of the specified
class.
+ *
+ * @param clazz the POJO class to be used to extract the Avro schema
+ * allowNull the create a allow null or not null Avro schema
+ * @return a Schema instance
+ */
+ static <T> Schema<T> AVRO(Class<T> clazz, Boolean allowNull) {
+ return DefaultImplementation.newAvroSchema(clazz, allowNull);
+ }
+
+
+ /**
+ * Create a allow null JSON schema type by extracting the fields of the
specified class.
*
* @param clazz the POJO class to be used to extract the JSON schema
* @return a Schema instance
*/
static <T> Schema<T> JSON(Class<T> clazz) {
- return DefaultImplementation.newJSONSchema(clazz);
+ return DefaultImplementation.newJSONSchema(clazz, true);
+ }
+
+ /**
+ * Create a allow null JSON schema type by extracting the fields of the
specified class.
+ *
+ * @param clazz the POJO class to be used to extract the JSON schema
+ * allowNull the create a allow null or not null JSON schema
+ * @return a Schema instance
+ */
+ static <T> Schema<T> JSON(Class<T> clazz, Boolean allowNull) {
+ return DefaultImplementation.newJSONSchema(clazz, allowNull);
}
+
/**
* Key Value Schema using passed in schema type, support JSON and AVRO
currently.
*/
static <K, V> Schema<KeyValue<K, V>> KeyValue(Class<K> key, Class<V>
value, SchemaType type) {
- return DefaultImplementation.newKeyValueSchema(key, value, type);
+ return DefaultImplementation.newKeyValueSchema(key, value, type, true);
}
+ /**
+ * Key Value Schema using passed in schema type, support JSON and AVRO
currently.
+ */
+ static <K, V> Schema<KeyValue<K, V>> KeyValue(Class<K> key, Class<V>
value, SchemaType type, Boolean allowNull) {
Review comment:
This becomes even more confusing, because `allowNull` here would be applied
to, say, a protobuf schema for which it will not make sense.
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