com.github.tonivade.resp.StateHolder Maven / Gradle / Ivy

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/*
 * Copyright (c) 2015-2018, Antonio Gabriel Muñoz Conejo 
 * Distributed under the terms of the MIT License
 */
package com.github.tonivade.resp;

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

public class StateHolder {
  private final Map state = new HashMap<>();

  @SuppressWarnings("unchecked")
  public  Optional getValue(String key) {
    return (Optional) Optional.ofNullable(state.get(key));
  }

  @SuppressWarnings("unchecked")
  public  Optional removeValue(String key) {
    return (Optional) Optional.ofNullable(state.remove(key));
  }

  public void putValue(String key, Object value) {
    state.put(key, value);
  }

  public void clear() {
    state.clear();
  }
}