io.micronaut.retry.CircuitState Maven / Gradle / Ivy
/*
* Copyright 2017-2019 original 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 io.micronaut.retry;
/**
* State for Circuit breaker phases.
*
* @author graemerocher
* @since 1.0
*/
public enum CircuitState {
/**
* The circuit is open and downstream logic should not be invoked.
*/
OPEN,
/**
* The circuit is closed and downstream logic should proceed as normal.
*/
CLOSED,
/**
* The circuit has just closed to allow a single downstream call to check if it is backup.
*/
HALF_OPEN
}