Collections.unmodifiableMap(stats);

tlrx · tlrx · commit dda6ab7250ae · 2020-02-05T11:09:24.000+01:00
diff --git a/x-pack/plugin/searchable-snapshots/src/main/java/org/elasticsearch/xpack/searchablesnapshots/cache/CacheDirectory.java b/x-pack/plugin/searchable-snapshots/src/main/java/org/elasticsearch/xpack/searchablesnapshots/cache/CacheDirectory.java
@@ -29,6 +29,7 @@
 import java.nio.channels.FileChannel;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.Collections;
 import java.util.Map;
 import java.util.Objects;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -77,7 +78,7 @@ public ShardId getShardId() {
     }
 
     public Map<String, IndexInputStats> getStats() {
-        return stats;
+        return Collections.unmodifiableMap(stats);
     }
 
     // pkg private for tests

Original file line number	Diff line number	Diff line change
`@@ -29,6 +29,7 @@`
`29`	`29`	`import java.nio.channels.FileChannel;`
`30`	`30`	`import java.nio.file.Files;`
`31`	`31`	`import java.nio.file.Path;`
	`32`	`+import java.util.Collections;`
`32`	`33`	`import java.util.Map;`
`33`	`34`	`import java.util.Objects;`
`34`	`35`	`import java.util.concurrent.atomic.AtomicBoolean;`
`@@ -77,7 +78,7 @@ public ShardId getShardId() {`
`77`	`78`	`}`
`78`	`79`
`79`	`80`	`public Map<String, IndexInputStats> getStats() {`
`80`		`- return stats;`
	`81`	`+ return Collections.unmodifiableMap(stats);`
`81`	`82`	`}`
`82`	`83`
`83`	`84`	`// pkg private for tests`