BaseConfigurationDeclarer.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.api.topology;

import java.util.HashMap;
import java.util.Map;

import com.twitter.heron.api.Config;

public abstract class BaseConfigurationDeclarer<T extends ComponentConfigurationDeclarer<?>>
    implements ComponentConfigurationDeclarer<T> {
  @Override
  public T addConfiguration(String config, Object value) {
    Map<String, Object> configMap = new HashMap<>();
    configMap.put(config, value);
    return addConfigurations(configMap);
  }

  @Override
  public T setDebug(boolean debug) {
    return addConfiguration(Config.TOPOLOGY_DEBUG, debug);
  }

  @Override
  public T setMaxSpoutPending(Number val) {
    Integer intValue = null;
    if (val != null) {
      intValue = val.intValue();
    }
    return addConfiguration(Config.TOPOLOGY_MAX_SPOUT_PENDING, intValue);
  }
}