public SchemaId getSchemaId() {
        return this.schemaId;
    }
<p>
A structure that contains schema identity fields. Either this or the <code>SchemaVersionId</code> has to be
provided.
</p>

@return A structure that contains schema identity fields. Either this or the <code>SchemaVersionId</code> has to
        be provided.
aws-java-sdk-glue/src/main/java/com/amazonaws/services/glue/model/SchemaReference.java