More documentation and cleanup

app/v1/post/PostAction.java

@@ -10,11 +10,12 @@
 import play.mvc.Http;
 import play.mvc.Result;
 import play.mvc.Results;
-import scala.concurrent.duration.FiniteDuration;
 
 import javax.inject.Inject;
 import javax.inject.Singleton;
-import java.util.concurrent.*;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionStage;
+import java.util.concurrent.TimeUnit;
 import java.util.function.Function;
 
 import static com.codahale.metrics.MetricRegistry.name;

app/v1/post/TimeoutPostRepository.java

@@ -1,18 +1,14 @@
 package v1.post;
 
-import play.db.jpa.JPAApi;
-
 import javax.inject.Inject;
-import java.util.Collection;
-import java.util.Collections;
 import java.util.Optional;
 import java.util.concurrent.CompletionStage;
 import java.util.stream.Stream;
 
 import static java.util.concurrent.CompletableFuture.supplyAsync;
 
 /**
- *
+ * A repository which only times out.
  */
 public class TimeoutPostRepository implements PostRepository {
     private final PostExecutionContext ec;

conf/application.conf

@@ -4,25 +4,16 @@
 db {
   default.driver = org.h2.Driver
   default.url = "jdbc:h2:mem:play"
-  #default.username = sa
-  #default.password = ""
 
+  # Provided for JPA access
   default.jndiName=DefaultDS
-
-  # You can turn on SQL logging for any datasource
-  default.logSql=true
 }
 
 # Point JPA at our database configuration
 jpa.default=defaultPersistenceUnit
 
-# Set up automatic database evolutions
-//play.evolutions {
-//  db.default.enabled = true
-//  autoApply = true
-//}
-
 # Number of database connections
+# See https://github.com/brettwooldridge/HikariCP/wiki/About-Pool-Sizing
 fixedConnectionPool = 9
 
 # Set Hikari to fixed size