Merge pull request #8125 from eugenp/revert-8119-BAEL-3275-2

Revert "BAEL-3275: Using blocking queue for pub-sub"

libraries-server/src/main/java/com/baeldung/netty/Operation.java

@@ -0,0 +1,49 @@
+package com.baeldung.netty;
+
+import java.io.Serializable;
+
+public class Operation implements Serializable {
+
+    private Integer number1;
+    private Integer number2;
+    private String operator;
+
+    public Operation(Integer number1, Integer number2, String operator) {
+        this.number1 = number1;
+        this.number2 = number2;
+        this.operator = operator;
+    }
+
+    public Integer getNumber1() {
+        return number1;
+    }
+
+    public void setNumber1(Integer number1) {
+        this.number1 = number1;
+    }
+
+    public Integer getNumber2() {
+        return number2;
+    }
+
+    public void setNumber2(Integer number2) {
+        this.number2 = number2;
+    }
+
+    public String getOperator() {
+        return operator;
+    }
+
+    public void setOperator(String operator) {
+        this.operator = operator;
+    }
+
+    @Override
+    public String toString() {
+        return "Operation{" +
+                "number1=" + number1 +
+                ", number2=" + number2 +
+                ", operator='" + operator + '\'' +
+                '}';
+    }
+}