slider-core/src/main/java/org/apache/slider/core/registry/docstore/PublishedConfigSet.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 org.apache.slider.core.registry.docstore;

import org.codehaus.jackson.annotate.JsonIgnoreProperties;
import org.codehaus.jackson.map.annotate.JsonSerialize;

import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;

/**
 * Represents a set of configurations for an application, component, etc.
 * Json serialisable; accessors are synchronized
 */
@JsonIgnoreProperties(ignoreUnknown = true)
@JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL)
public class PublishedConfigSet {

  public Map<String, PublishedConfiguration> configurations =
      new HashMap<String, PublishedConfiguration>();

  public void put(String name, PublishedConfiguration conf) {
    configurations.put(name, conf);
  }

  public PublishedConfiguration get(String name) {
    return configurations.get(name);
  }
  
  public boolean contains(String name) {
    return configurations.containsKey(name);
  }
  
  public int size() {
    return configurations.size();
  }
  
  public Set<String> keys() {
    TreeSet<String> keys = new TreeSet<String>();
    keys.addAll(configurations.keySet());
    return keys;
  }
}