Bump to ebean-datasource 5.1

This will expose pool size which can be exposed as a gauge metric (the current size of main connection pool and readonly connection pool)

src/main/java/io/ebeaninternal/server/core/InitDataSource.java

@@ -117,12 +117,8 @@ class InitDataSource {
   }
 
   private DataSource create(DataSourceConfig dsConfig, boolean readOnly) {
-    DataSourceFactory factory = DataSourceFactory.get();
-    if (factory == null) {
-      throw new IllegalStateException("No DataSourceFactory service implementation found in class path. Missing dependency to ebean-datasource?");
-    }
     String poolName = config.getName() + (readOnly ? "-ro" : "");
-    return factory.createPool(poolName, dsConfig);
+    return DataSourceFactory.create(poolName, dsConfig);
   }
 
   /**

src/main/java/io/ebeaninternal/server/core/MultiTenantDbCatalogSupplier.java

@@ -57,14 +57,14 @@ public class MultiTenantDbCatalogSupplier implements DataSourceSupplier {
   @Override
   public void shutdown(boolean deregisterDriver) {
     if (readOnlyDataSource instanceof DataSourcePool) {
-      ((DataSourcePool) readOnlyDataSource).shutdown(false);
+      ((DataSourcePool) readOnlyDataSource).shutdown();
     }
     if (dataSource instanceof DataSourcePool) {
-      ((DataSourcePool) dataSource).shutdown(deregisterDriver);
+      ((DataSourcePool) dataSource).shutdown();
     }
   }
 
-  private class CatalogDataSource implements DataSource {
+  private static class CatalogDataSource implements DataSource {
 
     final DataSource dataSource;
     final CurrentTenantProvider tenantProvider;

src/main/java/io/ebeaninternal/server/core/MultiTenantDbSchemaSupplier.java

@@ -57,10 +57,10 @@ class MultiTenantDbSchemaSupplier implements DataSourceSupplier {
   @Override
   public void shutdown(boolean deregisterDriver) {
     if (readOnlyDataSource instanceof DataSourcePool) {
-      ((DataSourcePool) readOnlyDataSource).shutdown(false);
+      ((DataSourcePool) readOnlyDataSource).shutdown();
     }
     if (dataSource instanceof DataSourcePool) {
-      ((DataSourcePool) dataSource).shutdown(deregisterDriver);
+      ((DataSourcePool) dataSource).shutdown();
     }
   }
 

src/main/java/io/ebeaninternal/server/core/SimpleDataSourceProvider.java

@@ -44,10 +44,10 @@ class SimpleDataSourceProvider implements DataSourceSupplier {
   @Override
   public void shutdown(boolean deregisterDriver) {
     if (readOnlyDataSource instanceof DataSourcePool){
-      ((DataSourcePool) readOnlyDataSource).shutdown(false);
+      ((DataSourcePool) readOnlyDataSource).shutdown();
     }
     if (dataSource instanceof DataSourcePool){
-      ((DataSourcePool) dataSource).shutdown(deregisterDriver);
+      ((DataSourcePool) dataSource).shutdown();
     }
   }
 }

src/main/java/io/ebeaninternal/server/transaction/TransactionManager.java

@@ -191,6 +191,7 @@ public class TransactionManager implements SpiTransactionManager {
     this.txnMain = metricFactory.createTimedMetric("txn.main");
     this.txnReadOnly = metricFactory.createTimedMetric("txn.readonly");
     this.txnNamed = metricFactory.createTimedMetricMap("txn.named.");
+    // Add gauges for db pool size
 
     scopeManager.register(this);
   }