feat: add ResourceExhausted to retryable error for Write API unary calls (#2178)

* feat: add ResourceExhausted to retryable error for Write API unary calls
docs: add multiplexing documentation

PiperOrigin-RevId: 545839491

Source-Link: googleapis/googleapis@2b006af

Source-Link: https://github.com/googleapis/googleapis-gen/commit/0d52d385bd4e78c7b2c83755013fe103e804c384
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google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/stub/BigQueryWriteStubSettings.java

@@ -259,7 +259,9 @@ public static class Builder extends StubSettings.Builder<BigQueryWriteStubSettin
           "retry_policy_4_codes",
           ImmutableSet.copyOf(
               Lists.<StatusCode.Code>newArrayList(
-                  StatusCode.Code.DEADLINE_EXCEEDED, StatusCode.Code.UNAVAILABLE)));
+                  StatusCode.Code.DEADLINE_EXCEEDED,
+                  StatusCode.Code.UNAVAILABLE,
+                  StatusCode.Code.RESOURCE_EXHAUSTED)));
       RETRYABLE_CODE_DEFINITIONS = definitions.build();
     }
 

google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1/MockBigQueryWriteImpl.java

@@ -174,8 +174,7 @@ public void batchCommitWriteStreams(
       responseObserver.onError(
           new IllegalArgumentException(
               String.format(
-                  "Unrecognized response type %s for method BatchCommitWriteStreams, expected %s or"
-                      + " %s",
+                  "Unrecognized response type %s for method BatchCommitWriteStreams, expected %s or %s",
                   response == null ? "null" : response.getClass().getName(),
                   BatchCommitWriteStreamsResponse.class.getName(),
                   Exception.class.getName())));

google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1beta1/MockBigQueryStorageImpl.java

@@ -117,8 +117,7 @@ public void batchCreateReadSessionStreams(
       responseObserver.onError(
           new IllegalArgumentException(
               String.format(
-                  "Unrecognized response type %s for method BatchCreateReadSessionStreams, expected"
-                      + " %s or %s",
+                  "Unrecognized response type %s for method BatchCreateReadSessionStreams, expected %s or %s",
                   response == null ? "null" : response.getClass().getName(),
                   Storage.BatchCreateReadSessionStreamsResponse.class.getName(),
                   Exception.class.getName())));

google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1beta2/MockBigQueryWriteImpl.java

@@ -174,8 +174,7 @@ public void batchCommitWriteStreams(
       responseObserver.onError(
           new IllegalArgumentException(
               String.format(
-                  "Unrecognized response type %s for method BatchCommitWriteStreams, expected %s or"
-                      + " %s",
+                  "Unrecognized response type %s for method BatchCommitWriteStreams, expected %s or %s",
                   response == null ? "null" : response.getClass().getName(),
                   BatchCommitWriteStreamsResponse.class.getName(),
                   Exception.class.getName())));