/*
* Copyright 2015 Netflix, Inc.
*
* 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 com.netflix.discovery.shared.transport.decorator;
import com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.RequestType;
/**
* @author Tomasz Bak
*/
public final class ServerStatusEvaluators {
private static final ServerStatusEvaluator LEGACY_EVALUATOR = new ServerStatusEvaluator() {
@Override
public boolean accept(int statusCode, RequestType requestType) {
if (statusCode >= 200 && statusCode < 300 || statusCode == 302) {
return true;
} else if (requestType == RequestType.Register && statusCode == 404) {
return true;
} else if (requestType == RequestType.SendHeartBeat && statusCode == 404) {
return true;
} else if (requestType == RequestType.Cancel) { // cancel is best effort
return true;
} else if (requestType == RequestType.GetDelta && (statusCode == 403 || statusCode == 404)) {
return true;
}
return false;
}
};
private static final ServerStatusEvaluator HTTP_SUCCESS_EVALUATOR = new ServerStatusEvaluator() {
@Override
public boolean accept(int statusCode, RequestType requestType) {
return statusCode >= 200 && statusCode < 300;
}
};
private ServerStatusEvaluators() {
}
/**
* Evaluation rules implemented in com.netflix.discovery.DiscoveryClient#isOk(...) method.
*/
public static ServerStatusEvaluator legacyEvaluator() {
return LEGACY_EVALUATOR;
}
/**
* An evaluator that only care about http 2xx responses
*/
public static ServerStatusEvaluator httpSuccessEvaluator() {
return HTTP_SUCCESS_EVALUATOR;
}
}