LoadBalancedRetryContext.java

/*
 * Copyright 2012-present the original author or 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
 *
 *      https://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 org.springframework.cloud.client.loadbalancer;

import org.springframework.cloud.client.ServiceInstance;
import org.springframework.http.HttpRequest;
import org.springframework.retry.RetryContext;
import org.springframework.retry.context.RetryContextSupport;

/**
 * {@link RetryContext} for load-balanced retries.
 *
 * @author Ryan Baxter
 * @author Olga Maciaszek-Sharma
 */
public class LoadBalancedRetryContext extends RetryContextSupport {

	private HttpRequest request;

	private ServiceInstance serviceInstance;

	private ServiceInstance previousServiceInstance;

	/**
	 * Creates a new load-balanced context.
	 * @param parent The parent context.
	 * @param request The request that is being load-balanced.
	 */
	public LoadBalancedRetryContext(RetryContext parent, HttpRequest request) {
		super(parent);
		this.request = request;
	}

	/**
	 * Gets the request that is being load-balanced.
	 * @return The request that is being load-balanced.
	 */
	public HttpRequest getRequest() {
		return this.request;
	}

	/**
	 * Sets the request that is being load-balanced.
	 * @param request The request to be load balanced.
	 */
	public void setRequest(HttpRequest request) {
		this.request = request;
	}

	/**
	 * Gets the service instance used during the retry.
	 * @return The service instance used during the retry.
	 */
	public ServiceInstance getServiceInstance() {
		return this.serviceInstance;
	}

	/**
	 * Sets the service instance to use during the retry.
	 * @param serviceInstance The service instance to use during the retry.
	 */
	public void setServiceInstance(ServiceInstance serviceInstance) {
		setPreviousServiceInstance(this.serviceInstance);
		this.serviceInstance = serviceInstance;
	}

	public ServiceInstance getPreviousServiceInstance() {
		return previousServiceInstance;
	}

	public void setPreviousServiceInstance(ServiceInstance previousServiceInstance) {
		this.previousServiceInstance = previousServiceInstance;
	}

}