Scheduler configuration added to update statistics

backend/servers/explorer-web/src/main/java/org/royllo/explorer/web/configuration/SchedulerConfiguration.java

@@ -0,0 +1,45 @@
+package org.royllo.explorer.web.configuration;
+
+import lombok.RequiredArgsConstructor;
+import org.royllo.explorer.core.util.base.BaseConfiguration;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+import org.springframework.scheduling.TaskScheduler;
+import org.springframework.scheduling.annotation.EnableScheduling;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
+
+/**
+ * Scheduler configuration.
+ */
+@Profile("!scheduler-disabled")
+@Configuration
+@EnableScheduling
+@RequiredArgsConstructor
+public class SchedulerConfiguration extends BaseConfiguration {
+
+    /** Termination delay in milliseconds (10 000 ms = 10 seconds). */
+    private static final int TERMINATION_DELAY_IN_MILLISECONDS = 10_000;
+
+    /**
+     * Configure the task scheduler.
+     *
+     * @return task scheduler
+     */
+    @Bean
+    public TaskScheduler taskScheduler() {
+        ThreadPoolTaskScheduler scheduler = new ThreadPoolTaskScheduler();
+        scheduler.setWaitForTasksToCompleteOnShutdown(true);
+        scheduler.setAwaitTerminationMillis(TERMINATION_DELAY_IN_MILLISECONDS);
+        scheduler.setThreadNamePrefix("royllo-process-");
+        scheduler.setErrorHandler(throwable -> {
+            try {
+                logger.error("Error while processing requests: {}", throwable.getMessage());
+            } catch (Exception exception) {
+                logger.error("Error while processing requests: {}", exception.getMessage());
+            }
+        });
+        return scheduler;
+    }
+
+}