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

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Netty implementation of REdis Serialization Protocol, and a simple framework to implement command based protocols

There is a newer version: 0.24.0

/*
 * Copyright (c) 2015-2019, 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 com.github.tonivade.purefun.type.Option;

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

  @SuppressWarnings("unchecked")
  public  Option getValue(String key) {
    return (Option) Option.of(() -> state.get(key));
  }

  @SuppressWarnings("unchecked")
  public  Option removeValue(String key) {
    return (Option) Option.of(() -> state.remove(key));
  }

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

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