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HBASE-21884 Fix box/unbox findbugs warning in secure bulk load 

Signed-off-by: Peter Somogyi <psomogyi@apache.org>
This commit is contained in:
Sean Busbey 2019-02-12 20:53:14 -06:00
parent 256c3d9855
commit 6296bad9cf
1 changed files with 13 additions and 8 deletions
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21
hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/SecureBulkLoadEndpoint.java
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@ -24,6 +24,7 @@ import com.google.protobuf.RpcController;
import com.google.protobuf.Service;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.mutable.MutableInt;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
@ -139,7 +140,7 @@ public class SecureBulkLoadEndpoint extends SecureBulkLoadService
private Connection conn;
private UserProvider userProvider;
private static HashMap<UserGroupInformation, Integer> ugiReferenceCounter = new HashMap<>();
private static HashMap<UserGroupInformation, MutableInt> ugiReferenceCounter = new HashMap<>();
@Override
public void start(CoprocessorEnvironment env) {
@ -276,26 +277,30 @@ public class SecureBulkLoadEndpoint extends SecureBulkLoadService
private void incrementUgiReference(UserGroupInformation ugi) {
synchronized (ugiReferenceCounter) {
Integer counter = ugiReferenceCounter.get(ugi);
ugiReferenceCounter.put(ugi, counter == null ? 1 : ++counter);
final MutableInt counter = ugiReferenceCounter.get(ugi);
if (counter == null) {
ugiReferenceCounter.put(ugi, new MutableInt(1));
} else {
counter.increment();
}
}
}
private void decrementUgiReference(UserGroupInformation ugi) {
synchronized (ugiReferenceCounter) {
Integer counter = ugiReferenceCounter.get(ugi);
if(counter == null || counter <= 1) {
final MutableInt counter = ugiReferenceCounter.get(ugi);
if(counter == null || counter.intValue() <= 1) {
ugiReferenceCounter.remove(ugi);
} else {
ugiReferenceCounter.put(ugi,--counter);
counter.decrement();
}
}
}
private boolean isUserReferenced(UserGroupInformation ugi) {
synchronized (ugiReferenceCounter) {
Integer count = ugiReferenceCounter.get(ugi);
return count != null && count > 0;
final MutableInt counter = ugiReferenceCounter.get(ugi);
return counter != null && counter.intValue() > 0;
}
}