lvfangmin commented on a change in pull request #1056: ZOOKEEPER-3495: fix
SnapshotDigestTest to work with JDK12+
URL: https://github.com/apache/zookeeper/pull/1056#discussion_r319232082
##########
File path:
zookeeper-server/src/main/java/org/apache/zookeeper/server/DigestCalculator.java
##########
@@ -16,37 +16,39 @@
* limitations under the License.
*/
-package org.apache.zookeeper.server.util;
+package org.apache.zookeeper.server;
import java.nio.ByteBuffer;
import java.util.zip.CRC32;
import org.apache.zookeeper.ZooDefs;
import org.apache.zookeeper.data.StatPersisted;
-import org.apache.zookeeper.server.DataNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Defines how to calculate the digest for a given node.
*/
-public class DigestCalculator {
+class DigestCalculator {
private static final Logger LOG =
LoggerFactory.getLogger(DigestCalculator.class);
// The hardcoded digest version, should bump up this version whenever
// we changed the digest method or fields.
- //
- // Defined it as Integer to make it able to be changed in test via
reflection
- public static final Integer DIGEST_VERSION = 2;
+ private static final int DIGEST_VERSION = 2;
public static final String ZOOKEEPER_DIGEST_ENABLED =
"zookeeper.digest.enabled";
- private static boolean digestEnabled;
static {
- digestEnabled =
Boolean.parseBoolean(System.getProperty(ZOOKEEPER_DIGEST_ENABLED, "true"));
- LOG.info("{} = {}", ZOOKEEPER_DIGEST_ENABLED, digestEnabled);
+ LOG.info("{} = {}", ZOOKEEPER_DIGEST_ENABLED,
System.getProperty(ZOOKEEPER_DIGEST_ENABLED, "true"));
}
+ private boolean digestEnabled;
+
+ DigestCalculator() {
+ this.digestEnabled =
Boolean.parseBoolean(System.getProperty(ZOOKEEPER_DIGEST_ENABLED, "true"));
Review comment:
Probably we should move this setting to ZooKeeperServer, so that it can be
shared and used in static classes like SerializeUtil.
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