/*
 * Copyright (c) 2011-2016 The original author or authors
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Apache License v2.0 which accompanies this distribution.
 *
 *      The Eclipse Public License is available at
 *      http://www.eclipse.org/legal/epl-v10.html
 *
 *      The Apache License v2.0 is available at
 *      http://www.opensource.org/licenses/apache2.0.php
 *
 * You may elect to redistribute this code under either of these licenses.
 */

package io.vertx.circuitbreaker;

import io.vertx.codegen.annotations.VertxGen;

Circuit breaker states.
Author:
Clement Escoffier/**
 * Circuit breaker states.
 *
 * @author <a href="http://escoffier.me">Clement Escoffier</a>
 */
@VertxGen
public enum CircuitBreakerState {
  
The OPEN state. The circuit breaker is executing the fallback, and switches to the HALF_OPEN state after the specified time. /**
   * The {@code OPEN} state. The circuit breaker is executing the fallback, and switches to the {@link #HALF_OPEN}
   * state after the specified time.
   */
  OPEN,
  
The CLOSED state. The circuit breaker lets invocations pass and collects the failures. IF the number of failures reach the specified threshold, the cricuit breaker switches to the OPEN state. /**
   * The {@code CLOSED} state. The circuit breaker lets invocations pass and collects the failures. IF the number of
   * failures reach the specified threshold, the cricuit breaker switches to the {@link #OPEN} state.
   */
  CLOSED,
  
The HALF_OPEN state. The circuit breaker has been opened, and is now checking the current situation. It lets pass the next invocation and determines from the result (failure or success) if the circuit breaker can be switched to the CLOSED state again. /**
   * The {@code HALF_OPEN} state. The circuit breaker has been opened, and is now checking the current situation. It
   * lets pass the next invocation and determines from the result (failure or success) if the circuit breaker can
   * be switched to the {@link #CLOSED} state again.
   */
  HALF_OPEN
}