/*
 * Copyright 2013-2020 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.gateway.support;

import javax.validation.constraints.Min;
import javax.validation.constraints.NotEmpty;

import org.springframework.core.style.ToStringCreator;
import org.springframework.validation.annotation.Validated;

@Validated
public class WeightConfig {

	/**
	 * Configuration prefix for {@link WeightConfig}.
	 */
	public static final String CONFIG_PREFIX = "weight";

	@NotEmpty
	private String group;

	private String routeId;

	@Min(0)
	private int weight;

	private WeightConfig() {
	}

	public WeightConfig(String group, String routeId, int weight) {
		this.routeId = routeId;
		this.group = group;
		this.weight = weight;
	}

	public WeightConfig(String routeId) {
		this.routeId = routeId;
	}

	public String getGroup() {
		return group;
	}

	public WeightConfig setGroup(String group) {
		this.group = group;
		return this;
	}

	public String getRouteId() {
		return routeId;
	}

	public WeightConfig setRouteId(String routeId) {
		this.routeId = routeId;
		return this;
	}

	public int getWeight() {
		return weight;
	}

	public WeightConfig setWeight(int weight) {
		this.weight = weight;
		return this;
	}

	@Override
	public String toString() {
		return new ToStringCreator(this).append("group", group).append("routeId", routeId).append("weight", weight)
				.toString();
	}

}
