Merge a897fa7 into 8d0202c

caicancai · web-flow · commit 8793f2d6c0f1 · 2024-06-14T10:53:34.000+08:00
diff --git a/dolphinscheduler-master/src/main/java/org/apache/dolphinscheduler/server/master/dispatch/host/assign/LowerWeightRoundRobin.java b/dolphinscheduler-master/src/main/java/org/apache/dolphinscheduler/server/master/dispatch/host/assign/LowerWeightRoundRobin.java
@@ -25,10 +25,12 @@
 public class LowerWeightRoundRobin extends AbstractSelector<HostWeight> {
 
     /**
-     * select
+     * Selects a HostWeight from a collection of HostWeight objects.
+     * The selection is based on the current weight of each HostWeight.
+     * The HostWeight with the smallest current weight is selected.
      *
-     * @param sources sources
-     * @return HostWeight
+     * @param sources A collection of HostWeight objects to select from.
+     * @return The selected HostWeight with the smallest current weight.
      */
     @Override
     public HostWeight doSelect(Collection<HostWeight> sources) {
diff --git a/dolphinscheduler-master/src/main/java/org/apache/dolphinscheduler/server/master/dispatch/host/assign/RandomSelector.java b/dolphinscheduler-master/src/main/java/org/apache/dolphinscheduler/server/master/dispatch/host/assign/RandomSelector.java
@@ -27,6 +27,14 @@
  */
 public class RandomSelector extends AbstractSelector<HostWorker> {
 
+    /**
+     * This method selects a HostWorker from a collection of HostWorker objects using a weighted random algorithm.
+     * The selection is based on the weight of each HostWorker.
+     * A random number is generated and the HostWorker whose weight spans this random number is selected.
+     *
+     * @param source A collection of HostWorker objects to select from.
+     * @return The selected HostWorker based on the weighted random algorithm.
+     */
     @Override
     public HostWorker doSelect(final Collection<HostWorker> source) {
 
diff --git a/dolphinscheduler-master/src/main/java/org/apache/dolphinscheduler/server/master/dispatch/host/assign/RoundRobinSelector.java b/dolphinscheduler-master/src/main/java/org/apache/dolphinscheduler/server/master/dispatch/host/assign/RoundRobinSelector.java
@@ -73,6 +73,14 @@ void setLastUpdate(long lastUpdate) {
 
     }
 
+    /**
+     * This method selects a HostWorker from a collection of HostWorker objects using a weighted round-robin algorithm.
+     * The selection is based on the current weight of each HostWorker.
+     * The HostWorker with the highest current weight is selected.
+     *
+     * @param source A collection of HostWorker objects to select from.
+     * @return The selected HostWorker with the highest current weight.
+     */
     @Override
     public HostWorker doSelect(Collection<HostWorker> source) {
 
