NullPacking.java

// Copyright 2016 Twitter. All rights reserved.
//
// 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.twitter.heron.packing;

import java.util.HashSet;

import com.twitter.heron.api.generated.TopologyAPI;
import com.twitter.heron.spi.common.Config;
import com.twitter.heron.spi.packing.IPacking;
import com.twitter.heron.spi.packing.PackingPlan;

public class NullPacking implements IPacking {

  @Override
  public void initialize(Config config, TopologyAPI.Topology topology) {
  }

  @Override
  public PackingPlan pack() {
    return new PackingPlan("", new HashSet<PackingPlan.ContainerPlan>());
  }

  @Override
  public void close() {
  }
}