zyxxoo commented on code in PR #2151:
URL:
https://github.com/apache/incubator-hugegraph/pull/2151#discussion_r1130639759
##########
hugegraph-core/src/main/java/org/apache/hugegraph/masterelection/GlobalMasterInfo.java:
##########
@@ -19,26 +19,20 @@
public class GlobalMasterInfo {
- private boolean isMaster;
- private String url;
-
+ private volatile Info info;
private volatile boolean featureSupport;
public GlobalMasterInfo() {
this.featureSupport = false;
+ this.info = new Info(false, "");
}
- public synchronized void set(boolean isMaster, String url) {
- this.isMaster = isMaster;
- this.url = url;
- }
-
- public synchronized boolean isMaster() {
- return this.isMaster;
+ public void info(boolean isMaster, String url) {
+ this.info = new Info(isMaster, url);
Review Comment:
info define with volatile, so as my think, the write operator
happens-before write operator, so if write operator happend first, the read
operator must after the write finish
##########
hugegraph-core/src/main/java/org/apache/hugegraph/masterelection/GlobalMasterInfo.java:
##########
@@ -19,26 +19,20 @@
public class GlobalMasterInfo {
- private boolean isMaster;
- private String url;
-
+ private volatile Info info;
private volatile boolean featureSupport;
public GlobalMasterInfo() {
this.featureSupport = false;
+ this.info = new Info(false, "");
}
- public synchronized void set(boolean isMaster, String url) {
- this.isMaster = isMaster;
- this.url = url;
- }
-
- public synchronized boolean isMaster() {
- return this.isMaster;
+ public void info(boolean isMaster, String url) {
+ this.info = new Info(isMaster, url);
Review Comment:
info define with volatile, so as my think, the write operator
happens-before read operator, so if write operator happend first, the read
operator must after the write finish
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