com.github.tonivade.resp.command.Session Maven / Gradle / Ivy

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/*
 * Copyright (c) 2015-2017, Antonio Gabriel Muñoz Conejo 
 * Distributed under the terms of the MIT License
 */
package com.github.tonivade.resp.command;

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

import com.github.tonivade.resp.protocol.RedisToken;

import io.netty.channel.ChannelHandlerContext;

public class Session implements ISession {

  private final String id;

  private final ChannelHandlerContext ctx;

  private final Map state = new HashMap<>();

  public Session(String id, ChannelHandlerContext ctx) {
    this.id = id;
    this.ctx = ctx;
  }

  @Override
  public String getId() {
    return id;
  }

  @Override
  public void publish(RedisToken msg) {
    ctx.writeAndFlush(msg);
  }

  @Override
  public void close() {
    ctx.close();
  }

  @Override
  public void destroy() {

  }

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

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

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

}