big-data/hadoop
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

HDFS-16092. Avoid creating LayoutFlags redundant objects (#3150)

Browse Source
This commit is contained in:
Viraj Jasani 2021-06-29 15:01:02 +05:30 committed by GitHub
parent dc6f456e95
commit 93a1685073
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/LayoutFlags.java
View File

@ -31,14 +31,15 @@
*/ */
@InterfaceAudience.Private @InterfaceAudience.Private
public class LayoutFlags { public class LayoutFlags {
/** /**
* Load a LayoutFlags object from a stream. * Read next int from given input stream. If the value is not 0 (unsupported
* feature flags), throw appropriate IOException.
* *
* @param in The stream to read from. * @param in The stream to read from.
* @throws IOException * @throws IOException If next byte read from given stream is not 0.
*/ */
public static LayoutFlags read(DataInputStream in) public static void read(DataInputStream in) throws IOException {
throws IOException {
int length = in.readInt(); int length = in.readInt();
if (length < 0) { if (length < 0) {
throw new IOException("The length of the feature flag section " + throw new IOException("The length of the feature flag section " +
@ -47,7 +48,6 @@ public static LayoutFlags read(DataInputStream in)
throw new IOException("Found feature flags which we can't handle. " + throw new IOException("Found feature flags which we can't handle. " +
"Please upgrade your software."); "Please upgrade your software.");
} }
return new LayoutFlags();
} }
private LayoutFlags() { private LayoutFlags() {