com.netflix.spectator.tdigest.TDigestReader Maven / Gradle / Ivy

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/**
 * Copyright 2015 Netflix, Inc.
 *
 * Licensed 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 com.netflix.spectator.tdigest;

import java.io.IOException;
import java.util.List;

/**
 * Reader for consuming T-Digest measurements.
 */
public interface TDigestReader extends AutoCloseable {
  /**
   * Return a list of measurments. If the stream is empty and closed then an empty list will
   * be returned.
   */
  List read() throws IOException;

  /** Release any resources associated with the reader. */
  void close() throws IOException;
}