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also allow other lucene codecs to be loaded

This commit is contained in:
Simon Willnauer 2016-01-18 13:17:07 +01:00
parent 5dc3e721e0
commit b5c326023f
1 changed files with 9 additions and 2 deletions
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11
core/src/main/java/org/elasticsearch/index/engine/EngineConfig.java
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@ -39,6 +39,8 @@ import org.elasticsearch.index.translog.TranslogConfig;
import org.elasticsearch.indices.IndexingMemoryController;
import org.elasticsearch.threadpool.ThreadPool;
import java.util.Set;
/*
* Holds all the configuration that is used to create an {@link Engine}.
* Once {@link Engine} has been created with this object, changes to this
@ -65,6 +67,9 @@ public final class EngineConfig {
private final QueryCache queryCache;
private final QueryCachingPolicy queryCachingPolicy;
static {
}
/**
* Index setting to change the low level lucene codec used for writing new segments.
* This setting is <b>not</b> realtime updateable.
@ -72,11 +77,13 @@ public final class EngineConfig {
public static final Setting<String> INDEX_CODEC_SETTING = new Setting<>("index.codec", "default", (s) -> {
switch(s) {
case "default":
case "lucene_default":
case "best_compression":
return s;
default:
throw new IllegalArgumentException("unknown value for [index.codec] must be one of [default, best_compression, lucene_default] but was: " + s);
if (Codec.availableCodecs().contains(s) == false) { // we don't error message the not officially supported ones
throw new IllegalArgumentException("unknown value for [index.codec] must be one of [default, best_compression] but was: " + s);
}
return s;
}
}, false, Setting.Scope.INDEX);