update javadoc

easy-rules-core/src/main/java/org/jeasy/rules/core/RuleBuilder.java

@@ -30,6 +30,11 @@ import org.jeasy.rules.api.Rule;
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * Builder to create {@link Rule} instances.
+ *
+ * @author Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)
+ */
 public class RuleBuilder {
 
     private String name = Rule.DEFAULT_NAME;
@@ -39,31 +44,66 @@ public class RuleBuilder {
     private Condition condition = Condition.FALSE;
     private List<Action> actions = new ArrayList<>();
 
+    /**
+     * Set rule name.
+     *
+     * @param name of the rule
+     * @return the builder instance
+     */
     public RuleBuilder name(String name) {
         this.name = name;
         return this;
     }
 
+    /**
+     * Set rule description.
+     *
+     * @param description of the rule
+     * @return the builder instance
+     */
     public RuleBuilder description(String description) {
         this.description = description;
         return this;
     }
 
+    /**
+     * Set rule priority.
+     *
+     * @param priority of the rule
+     * @return the builder instance
+     */
     public RuleBuilder priority(int priority) {
         this.priority = priority;
         return this;
     }
 
+    /**
+     * Set rule condition.
+     *
+     * @param condition of the rule
+     * @return the builder instance
+     */
     public RuleBuilder when(Condition condition) {
         this.condition = condition;
         return this;
     }
 
+    /**
+     * Add an action to the rule.
+     *
+     * @param action to add
+     * @return the builder instance
+     */
     public RuleBuilder then(Action action) {
         this.actions.add(action);
         return this;
     }
 
+    /**
+     * Create a new {@link Rule}.
+     *
+     * @return a new rule instance
+     */
     public Rule build() {
         return new DefaultRule(name, description, priority, condition, actions);
     }