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SOLR-13650: cache reload listener

This commit is contained in:
noble 2019-08-20 05:49:46 +10:00
parent 129231d4a7
commit ecfd0c14bc
1 changed files with 11 additions and 0 deletions
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11
solr/core/src/java/org/apache/solr/search/SolrCacheHolder.java
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@ -22,6 +22,7 @@ import java.util.Map;
import java.util.Set;
import com.codahale.metrics.MetricRegistry;
import org.apache.solr.core.RuntimeLib;
import org.apache.solr.metrics.SolrMetrics;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -38,6 +39,16 @@ public class SolrCacheHolder<K, V> implements SolrCache<K,V> {
public SolrCacheHolder(CacheConfig.CacheInfo cacheInfo) {
this.info = cacheInfo;
this.delegate = cacheInfo.cache;
if(info.pkg != null){
info.core.addPackageListener(info.pkg, lib -> reloadCache(lib));
}
}
private void reloadCache(RuntimeLib lib) {
if (lib.getZnodeVersion() > info.znodeVersion) {
info = new CacheConfig.CacheInfo(info.cfg, info.core);
delegate = info.cache;
}
}
public int size() {