/**
* Copyright 2015-2016 The OpenZipkin 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 zipkin.autoconfigure.storage.cassandra;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import zipkin.storage.StorageComponent;
import zipkin.storage.cassandra.CassandraStorage;
import zipkin.storage.cassandra.SessionFactory;
/**
* This storage accepts Cassandra logs in a specified category. Each log entry is expected to contain
* a single span, which is TBinaryProtocol big-endian, then base64 encoded. Decoded spans are stored
* asynchronously.
*/
@Configuration
@EnableConfigurationProperties(ZipkinCassandraStorageProperties.class)
@ConditionalOnProperty(name = "zipkin.storage.type", havingValue = "cassandra")
@ConditionalOnMissingBean(StorageComponent.class)
public class ZipkinCassandraStorageAutoConfiguration {
@Autowired(required = false)
@Qualifier("tracingSessionFactory")
SessionFactory tracingSessionFactory;
@Bean StorageComponent storage(ZipkinCassandraStorageProperties properties,
@Value("${zipkin.storage.strict-trace-id:true}") boolean strictTraceId) {
CassandraStorage.Builder builder = properties.toBuilder().strictTraceId(strictTraceId);
return tracingSessionFactory == null
? builder.build()
: builder.sessionFactory(tracingSessionFactory).build();
}
}