ResourceEstimator.java

/*
 * 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 gobblin.util.request_allocation;

import com.typesafe.config.Config;


/**
 * Computes the {@link ResourceRequirement} for {@link Request}s. See {@link RequestAllocator}.
 * @param <T>
 */
public interface ResourceEstimator<T> {

  interface Factory<T> {
    ResourceEstimator<T> create(Config config);
  }

  /**
   * @return The {@link ResourceRequirement} for input {@link Request}.
   */
  ResourceRequirement estimateRequirement(T t, ResourcePool resourcePool);
}