From 194a9a763c6b11d207e682b2f93de94475c473b4 Mon Sep 17 00:00:00 2001
From: Alexander Alexeev
Date: Sat, 12 Nov 2016 01:34:07 +0700
Subject: extracted application configuration from Mvc configuration with
 application specific beans; extracted bean initialization from constructor;
 force using properties;

---
 .../com/juick/configuration/DataConfiguration.java | 19 ++++--------
 .../src/main/java/com/juick/util/ThreadHelper.java | 36 ++++++++++++++++++++++
 2 files changed, 42 insertions(+), 13 deletions(-)
 create mode 100644 juick-core/src/main/java/com/juick/util/ThreadHelper.java

(limited to 'juick-core/src/main/java/com')

diff --git a/juick-core/src/main/java/com/juick/configuration/DataConfiguration.java b/juick-core/src/main/java/com/juick/configuration/DataConfiguration.java
index 62ca0f88..f31dbcdb 100644
--- a/juick-core/src/main/java/com/juick/configuration/DataConfiguration.java
+++ b/juick-core/src/main/java/com/juick/configuration/DataConfiguration.java
@@ -1,11 +1,9 @@
 package com.juick.configuration;
 
 import org.apache.commons.dbcp2.BasicDataSource;
-import org.springframework.beans.factory.config.PlaceholderConfigurerSupport;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.PropertySource;
-import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
 import org.springframework.core.env.Environment;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.jdbc.datasource.DataSourceTransactionManager;
@@ -21,26 +19,21 @@ import javax.sql.DataSource;
  */
 @Configuration
 @EnableTransactionManagement
-@PropertySource(value = {"classpath:juick.conf", "file:${user.home}/juick.conf"})
+@PropertySource(value = {"classpath:juick.conf"})
 public class DataConfiguration implements TransactionManagementConfigurer {
     @Resource
     private Environment env;
 
-    @Bean
-    public static PlaceholderConfigurerSupport propertySourcesPlaceholderConfigurer() {
-        PlaceholderConfigurerSupport configurer = new PropertySourcesPlaceholderConfigurer();
-
-        configurer.setFileEncoding("utf-8");
-        configurer.setOrder(0);
-        return configurer;
-    }
-
     @Bean
     public DataSource dataSource() {
         BasicDataSource dataSource = new BasicDataSource();
 
         dataSource.setDriverClassName(env.getProperty("datasource_driver", "com.mysql.jdbc.Driver"));
         dataSource.setUrl(env.getProperty("datasource_url"));
+        dataSource.setUsername(env.getProperty("datasource_user", ""));
+        dataSource.setPassword(env.getProperty("datasource_password", ""));
+
+        dataSource.setValidationQuery("select 1");
 
         return dataSource;
     }
@@ -56,7 +49,7 @@ public class DataConfiguration implements TransactionManagementConfigurer {
     }
 
     @Bean
-    public JdbcTemplate jdbc() {
+    public JdbcTemplate jdbcTemplate() {
         return new JdbcTemplate(dataSource());
     }
 }
diff --git a/juick-core/src/main/java/com/juick/util/ThreadHelper.java b/juick-core/src/main/java/com/juick/util/ThreadHelper.java
new file mode 100644
index 00000000..7304d158
--- /dev/null
+++ b/juick-core/src/main/java/com/juick/util/ThreadHelper.java
@@ -0,0 +1,36 @@
+package com.juick.util;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Created by aalexeev on 11/11/16.
+ */
+public class ThreadHelper {
+    private ThreadHelper() {
+        throw new IllegalStateException();
+    }
+
+    private static Logger logger = LoggerFactory.getLogger(ThreadHelper.class);
+
+    public static void shutdownAndAwaitTermination(ExecutorService pool) {
+        pool.shutdown(); // Disable new tasks from being submitted
+        try {
+            // Wait a while for existing tasks to terminate
+            if (!pool.awaitTermination(5, TimeUnit.SECONDS)) {
+                pool.shutdownNow(); // Cancel currently executing tasks
+                // Wait a while for tasks to respond to being cancelled
+                if (!pool.awaitTermination(5, TimeUnit.SECONDS))
+                    logger.error("Pool did not terminate");
+            }
+        } catch (InterruptedException ie) {
+            // (Re-)Cancel if current thread also interrupted
+            pool.shutdownNow();
+            // Preserve interrupt status
+            Thread.currentThread().interrupt();
+        }
+    }
+}
-- 
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