/*
* 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.appinfo.InstanceInfo;
import com.netflix.appinfo.InstanceInfo.InstanceStatus;
import com.netflix.discovery.shared.Application;
import com.netflix.discovery.shared.Applications;
import com.netflix.discovery.shared.transport.EurekaHttpClient;
import com.netflix.discovery.shared.transport.EurekaHttpResponse;
/**
* @author Tomasz Bak
*/
public abstract class EurekaHttpClientDecorator implements EurekaHttpClient {
public enum RequestType {
Register,
Cancel,
SendHeartBeat,
StatusUpdate,
DeleteStatusOverride,
GetApplications,
GetDelta,
GetVip,
GetSecureVip,
GetApplication,
GetInstance,
GetApplicationInstance
}
public interface RequestExecutor<R> {
EurekaHttpResponse<R> execute(EurekaHttpClient delegate);
RequestType getRequestType();
}
protected abstract <R> EurekaHttpResponse<R> execute(RequestExecutor<R> requestExecutor);
@Override
public EurekaHttpResponse<Void> register(final InstanceInfo info) {
return execute(new RequestExecutor<Void>() {
@Override
public EurekaHttpResponse<Void> execute(EurekaHttpClient delegate) {
return delegate.register(info);
}
@Override
public RequestType getRequestType() {
return RequestType.Register;
}
});
}
@Override
public EurekaHttpResponse<Void> cancel(final String appName, final String id) {
return execute(new RequestExecutor<Void>() {
@Override
public EurekaHttpResponse<Void> execute(EurekaHttpClient delegate) {
return delegate.cancel(appName, id);
}
@Override
public RequestType getRequestType() {
return RequestType.Cancel;
}
});
}
@Override
public EurekaHttpResponse<InstanceInfo> sendHeartBeat(final String appName,
final String id,
final InstanceInfo info,
final InstanceStatus overriddenStatus) {
return execute(new RequestExecutor<InstanceInfo>() {
@Override
public EurekaHttpResponse<InstanceInfo> execute(EurekaHttpClient delegate) {
return delegate.sendHeartBeat(appName, id, info, overriddenStatus);
}
@Override
public RequestType getRequestType() {
return RequestType.SendHeartBeat;
}
});
}
@Override
public EurekaHttpResponse<Void> statusUpdate(final String appName, final String id, final InstanceStatus newStatus, final InstanceInfo info) {
return execute(new RequestExecutor<Void>() {
@Override
public EurekaHttpResponse<Void> execute(EurekaHttpClient delegate) {
return delegate.statusUpdate(appName, id, newStatus, info);
}
@Override
public RequestType getRequestType() {
return RequestType.StatusUpdate;
}
});
}
@Override
public EurekaHttpResponse<Void> deleteStatusOverride(final String appName, final String id, final InstanceInfo info) {
return execute(new RequestExecutor<Void>() {
@Override
public EurekaHttpResponse<Void> execute(EurekaHttpClient delegate) {
return delegate.deleteStatusOverride(appName, id, info);
}
@Override
public RequestType getRequestType() {
return RequestType.DeleteStatusOverride;
}
});
}
@Override
public EurekaHttpResponse<Applications> getApplications(final String... regions) {
return execute(new RequestExecutor<Applications>() {
@Override
public EurekaHttpResponse<Applications> execute(EurekaHttpClient delegate) {
return delegate.getApplications(regions);
}
@Override
public RequestType getRequestType() {
return RequestType.GetApplications;
}
});
}
@Override
public EurekaHttpResponse<Applications> getDelta(final String... regions) {
return execute(new RequestExecutor<Applications>() {
@Override
public EurekaHttpResponse<Applications> execute(EurekaHttpClient delegate) {
return delegate.getDelta(regions);
}
@Override
public RequestType getRequestType() {
return RequestType.GetDelta;
}
});
}
@Override
public EurekaHttpResponse<Applications> getVip(final String vipAddress, final String... regions) {
return execute(new RequestExecutor<Applications>() {
@Override
public EurekaHttpResponse<Applications> execute(EurekaHttpClient delegate) {
return delegate.getVip(vipAddress, regions);
}
@Override
public RequestType getRequestType() {
return RequestType.GetVip;
}
});
}
@Override
public EurekaHttpResponse<Applications> getSecureVip(final String secureVipAddress, final String... regions) {
return execute(new RequestExecutor<Applications>() {
@Override
public EurekaHttpResponse<Applications> execute(EurekaHttpClient delegate) {
return delegate.getVip(secureVipAddress, regions);
}
@Override
public RequestType getRequestType() {
return RequestType.GetSecureVip;
}
});
}
@Override
public EurekaHttpResponse<Application> getApplication(final String appName) {
return execute(new RequestExecutor<Application>() {
@Override
public EurekaHttpResponse<Application> execute(EurekaHttpClient delegate) {
return delegate.getApplication(appName);
}
@Override
public RequestType getRequestType() {
return RequestType.GetApplication;
}
});
}
@Override
public EurekaHttpResponse<InstanceInfo> getInstance(final String id) {
return execute(new RequestExecutor<InstanceInfo>() {
@Override
public EurekaHttpResponse<InstanceInfo> execute(EurekaHttpClient delegate) {
return delegate.getInstance(id);
}
@Override
public RequestType getRequestType() {
return RequestType.GetInstance;
}
});
}
@Override
public EurekaHttpResponse<InstanceInfo> getInstance(final String appName, final String id) {
return execute(new RequestExecutor<InstanceInfo>() {
@Override
public EurekaHttpResponse<InstanceInfo> execute(EurekaHttpClient delegate) {
return delegate.getInstance(appName, id);
}
@Override
public RequestType getRequestType() {
return RequestType.GetApplicationInstance;
}
});
}
}