/*
 * 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.sdk.extensions.gcp.util;

import java.io.IOException;
import org.apache.beam.sdk.util.BackOff;

/**
 * An adapter for converting between Apache Beam and Google API client representations of backoffs.
 */
public class BackOffAdapter {
  /**
   * Returns an adapter to convert from {@link BackOff} to {@link
   * com.google.api.client.util.BackOff}.
   */
  public static com.google.api.client.util.BackOff toGcpBackOff(final BackOff backOff) {
    return new com.google.api.client.util.BackOff() {
      @Override
      public void reset() throws IOException {
        backOff.reset();
      }

      @Override
      public long nextBackOffMillis() throws IOException {
        return backOff.nextBackOffMillis();
      }
    };
  }
}
