#80 simplify configurer usage

Author: aburmeis

src/main/java/com/arangodb/springframework/transaction/ArangoTransactionManagementConfigurer.java

@@ -1,24 +1,32 @@
 package com.arangodb.springframework.transaction;
 
-import com.arangodb.springframework.core.ArangoOperations;
-import com.arangodb.springframework.repository.query.QueryTransactionBridge;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.transaction.PlatformTransactionManager;
 import org.springframework.transaction.annotation.TransactionManagementConfigurer;
 
+import com.arangodb.springframework.core.ArangoOperations;
+import com.arangodb.springframework.repository.query.QueryTransactionBridge;
+
+/**
+ * To enable stream transactions for Arango Spring Data, create a
+ * {@link org.springframework.context.annotation.Configuration} class annotated with
+ * {@link org.springframework.transaction.annotation.EnableTransactionManagement} and
+ * {@link org.springframework.context.annotation.Import} this one.
+ */
 public class ArangoTransactionManagementConfigurer implements TransactionManagementConfigurer {
 
-    private final ArangoOperations operations;
-    private final QueryTransactionBridge bridge;
-
-    public ArangoTransactionManagementConfigurer(ArangoOperations operations, QueryTransactionBridge bridge) {
-        this.operations = operations;
-        this.bridge = bridge;
-    }
+    @Autowired
+    private ArangoOperations operations;
+    private final QueryTransactionBridge bridge = new QueryTransactionBridge();
 
     @Override
-    @Bean
     public PlatformTransactionManager annotationDrivenTransactionManager() {
         return new ArangoTransactionManager(operations, bridge);
     }
+
+    @Bean
+    QueryTransactionBridge arangoQueryTransactionBridge() {
+        return bridge;
+    }
 }

src/test/java/com/arangodb/springframework/ArangoTransactionalTestConfiguration.java

@@ -1,6 +1,7 @@
 package com.arangodb.springframework;
 
 import com.arangodb.springframework.repository.query.QueryTransactionBridge;
+import com.arangodb.springframework.transaction.ArangoTransactionManagementConfigurer;
 import com.arangodb.springframework.transaction.ArangoTransactionManager;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Import;
@@ -10,11 +11,7 @@
 
 @EnableTransactionManagement
 @TestExecutionListeners(TransactionalTestExecutionListener.class)
-@Import(ArangoTransactionManager.class)
+@Import(ArangoTransactionManagementConfigurer.class)
 public class ArangoTransactionalTestConfiguration extends ArangoTestConfiguration {
 
-	@Bean
-	public QueryTransactionBridge queryTransactionBridge() {
-		return new QueryTransactionBridge();
-	}
 }