package com.ctrip.framework.apollo.portal.service;
import com.google.common.collect.Maps;
import com.ctrip.framework.apollo.common.config.RefreshablePropertySource;
import com.ctrip.framework.apollo.portal.entity.po.ServerConfig;
import com.ctrip.framework.apollo.portal.repository.ServerConfigRepository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.util.Map;
import java.util.Objects;
/**
* @author Jason Song(song_s@ctrip.com)
*/
@Component
public class PortalDBPropertySource extends RefreshablePropertySource {
private static final Logger logger = LoggerFactory.getLogger(PortalDBPropertySource.class);
@Autowired
private ServerConfigRepository serverConfigRepository;
public PortalDBPropertySource(String name, Map<String, Object> source) {
super(name, source);
}
public PortalDBPropertySource() {
super("DBConfig", Maps.newConcurrentMap());
}
@Override
protected void refresh() {
Iterable<ServerConfig> dbConfigs = serverConfigRepository.findAll();
for (ServerConfig config: dbConfigs) {
String key = config.getKey();
Object value = config.getValue();
if (this.source.isEmpty()) {
logger.info("Load config from DB : {} = {}", key, value);
} else if (!Objects.equals(this.source.get(key), value)) {
logger.info("Load config from DB : {} = {}. Old value = {}", key,
value, this.source.get(key));
}
this.source.put(key, value);
}
}
}