Providing the bot-connector ExecutorService via DI in bot-integration-spring.

Author: Tracy Boehrer

libraries/bot-integration-spring/src/main/java/com/microsoft/bot/integration/spring/BotDependencyConfiguration.java

@@ -8,6 +8,7 @@
 import com.microsoft.bot.builder.Storage;
 import com.microsoft.bot.builder.UserState;
 import com.microsoft.bot.builder.inspection.InspectionState;
+import com.microsoft.bot.connector.ExecutorFactory;
 import com.microsoft.bot.connector.authentication.ChannelProvider;
 import com.microsoft.bot.connector.authentication.CredentialProvider;
 import com.microsoft.bot.integration.BotFrameworkHttpAdapter;
@@ -17,6 +18,8 @@
 import com.microsoft.bot.integration.ConfigurationCredentialProvider;
 import org.springframework.context.annotation.Bean;
 
+import java.util.concurrent.ExecutorService;
+
 /**
  * This provides the default dependency creation for a Bot application.
  *
@@ -27,6 +30,19 @@
  * constructor to use.</p>
  */
 public abstract class BotDependencyConfiguration {
+    /**
+     * Returns an ExecutorService.
+     *
+     * <p>For now, return the bot-connector ExecutorService.  This is an area of consideration.  The
+     * goal here is to have a common ExecutorService to avoid multiple thread pools.</p>
+     *
+     * @return An ExecutorService.
+     */
+    @Bean
+    public ExecutorService getExecutorService() {
+        return ExecutorFactory.getExecutor();
+    }
+
     /**
      * Returns the Configuration for the application.
      *