diff --git a/sdks/java/io/rrio/src/main/java/org/apache/beam/io/requestresponse/ThrottleRefreshQuota.java b/sdks/java/io/rrio/src/main/java/org/apache/beam/io/requestresponse/ThrottleRefreshQuota.java new file mode 100644 index 0000000000000..57e57528db4bc --- /dev/null +++ b/sdks/java/io/rrio/src/main/java/org/apache/beam/io/requestresponse/ThrottleRefreshQuota.java @@ -0,0 +1,55 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.beam.io.requestresponse; + +import com.google.auto.value.AutoValue; +import org.apache.beam.sdk.transforms.Create; +import org.apache.beam.sdk.transforms.PTransform; +import org.apache.beam.sdk.values.PCollection; +import org.apache.beam.sdk.values.TypeDescriptor; +import org.joda.time.Instant; + +/** + * {@link ThrottleRefreshQuota} refreshes a quota per {@link Instant} processing events emitting any + * errors into an {@link ApiIOError} {@link PCollection}. + */ +class ThrottleRefreshQuota extends PTransform, PCollection> { + + // TODO: remove suppress warnings after configuration utilized. + @SuppressWarnings({"unused"}) + private final Configuration configuration; + + private ThrottleRefreshQuota(Configuration configuration) { + this.configuration = configuration; + } + + @Override + public PCollection expand(PCollection input) { + // TODO(damondouglas): expand in a later PR. + return input.getPipeline().apply(Create.empty(TypeDescriptor.of(ApiIOError.class))); + } + + @AutoValue + abstract static class Configuration { + + @AutoValue.Builder + abstract static class Builder { + abstract Configuration build(); + } + } +}