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

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

persistence-modules/flyway/src/main/java/com/baeldung/flywaycallbacks/ExampleFlywayCallback.java

@@ -0,0 +1,33 @@
+package com.baeldung.flywaycallbacks;
+
+import java.sql.Connection;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.flywaydb.core.api.MigrationInfo;
+import org.flywaydb.core.api.callback.BaseFlywayCallback;
+
+public class ExampleFlywayCallback extends BaseFlywayCallback {
+
+    private Log log = LogFactory.getLog(getClass());
+
+    @Override
+    public void afterEachMigrate(Connection connection, MigrationInfo info) {
+        log.info("> afterEachMigrate");
+    }
+
+    @Override
+    public void afterMigrate(Connection connection) {
+        log.info("> afterMigrate");
+    }
+
+    @Override
+    public void beforeEachMigrate(Connection connection, MigrationInfo info) {
+        log.info("> beforeEachMigrate");
+    }
+
+    @Override
+    public void beforeMigrate(Connection connection) {
+        log.info("> beforeMigrate");
+    }
+}

persistence-modules/flyway/src/main/java/com/baeldung/flywaycallbacks/FlywayApplication.java

@@ -0,0 +1,13 @@
+package com.baeldung.flywaycallbacks;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class FlywayApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(FlywayApplication.class, args);
+    }
+
+}