/*
* Copyright 2013-2015 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
*
* 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 org.springframework.cloud.netflix.turbine.stream;
import java.util.Map;
import javax.annotation.PostConstruct;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.config.BindingProperties;
import org.springframework.cloud.stream.config.ChannelBindingServiceProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import com.fasterxml.jackson.databind.ObjectMapper;
import rx.subjects.PublishSubject;
/**
* Autoconfiguration for a Spring Cloud Turbine using Spring Cloud Stream. Enabled by
* default if spring-cloud-stream is on the classpath, and can be switched off with
* <code>turbine.stream.enabled</code>.
*
* @author Spencer Gibb
* @author Dave Syer
*/
@Configuration
@ConditionalOnClass(EnableBinding.class)
@ConditionalOnProperty(value = "turbine.stream.enabled", matchIfMissing = true)
@EnableBinding(TurbineStreamClient.class)
public class TurbineStreamAutoConfiguration {
@Autowired
private ChannelBindingServiceProperties bindings;
@Autowired
private TurbineStreamProperties properties;
@PostConstruct
public void init() {
BindingProperties inputBinding = this.bindings.getBindings()
.get(TurbineStreamClient.INPUT);
if (inputBinding == null) {
this.bindings.getBindings().put(TurbineStreamClient.INPUT,
new BindingProperties());
}
BindingProperties input = this.bindings.getBindings()
.get(TurbineStreamClient.INPUT);
if (input.getDestination() == null) {
input.setDestination(this.properties.getDestination());
}
if (input.getContentType() == null) {
input.setContentType(this.properties.getContentType());
}
}
@Bean
public HystrixStreamAggregator hystrixStreamAggregator(ObjectMapper mapper,
PublishSubject<Map<String, Object>> publisher) {
return new HystrixStreamAggregator(mapper, publisher);
}
}