Added tutorial sample for BAEL-2550

spring-all/src/main/java/org/baeldung/sampleabstract/AbstractGenericService.java

@@ -0,0 +1,38 @@
+package org.baeldung.sampleabstract;
+
+import org.springframework.beans.factory.annotation.Autowired;
+
+public abstract class AbstractGenericService<T, S> {
+
+    @Autowired
+    private T genericFieldT;
+
+    private S genericFieldS;
+
+    public T getGenericFieldT() {
+
+        return genericFieldT;
+    }
+
+    public void setGenericFieldT(T genericFieldT) {
+
+        this.genericFieldT = genericFieldT;
+    }
+
+    public S getGenericFieldS() {
+
+        return genericFieldS;
+    }
+
+    @Autowired
+    public void setGenericFieldS(S genericFieldS) {
+
+        this.genericFieldS = genericFieldS;
+    }
+
+    public void afterInitialize() {
+
+        System.out.println(genericFieldT.getClass().getSimpleName());
+        System.out.println(genericFieldS.getClass().getSimpleName());
+    }
+}