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/*
 *
 *  Copyright 2015 the original author or authors.
 *
 *  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 springfox.petstore.repository;

import com.google.common.base.Predicate;
import com.google.common.collect.FluentIterable;
import com.google.common.collect.Iterables;

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

public class MapBackedRepository> {
  Map service = new HashMap();

  public void delete(K key) {
    service.remove(key);
  }

  public boolean exists(K key) {
    return service.containsKey(key);
  }

  public void add(V model) {
    service.put(model.getIdentifier(), model);
  }

  public V get(K key) {
    return service.get(key);
  }

  public V first() {
    return Iterables.getFirst(service.values(), null);
  }
  
  public List where(Predicate criteria) {
    return FluentIterable
            .from(service.values())
            .filter(criteria).toList();
  }
}