src/main/java/org/apache/aurora/scheduler/scheduling/FirstFitOfferSelector.java

/**
 * 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 org.apache.aurora.scheduler.scheduling;

import java.util.Optional;

import com.google.common.collect.Iterables;

import org.apache.aurora.scheduler.filter.SchedulingFilter.ResourceRequest;
import org.apache.aurora.scheduler.offers.HostOffer;

public class FirstFitOfferSelector implements OfferSelector {

  @Override
  public Optional<HostOffer> select(Iterable<HostOffer> offers, ResourceRequest resourceRequest) {

    return Optional.ofNullable(Iterables.getFirst(offers, null));
  }
}