log that JDBC batching is enabled at startup

Author: gavinking

hibernate-core/src/main/java/org/hibernate/engine/jdbc/batch/JdbcBatchLogging.java

@@ -38,6 +38,10 @@ public interface JdbcBatchLogging extends BasicLogger {
 	Logger BATCH_LOGGER = Logger.getLogger( NAME );
 	JdbcBatchLogging BATCH_MESSAGE_LOGGER = Logger.getMessageLogger( MethodHandles.lookup(), JdbcBatchLogging.class, NAME );
 
+	@LogMessage(level = INFO)
+	@Message(id=100501, value = "Automatic JDBC statement batching enabled (maximum batch size %s)")
+	void batchingEnabled(int batchSize);
+
 	@LogMessage(level = WARN)
 	@Message(id = 100502, value = "Unable to release batch statement")
 	void unableToReleaseBatchStatement();

hibernate-core/src/main/java/org/hibernate/engine/jdbc/batch/internal/BatchBuilderImpl.java

@@ -20,6 +20,7 @@
 
 import static java.util.Collections.emptyList;
 import static org.hibernate.engine.jdbc.batch.JdbcBatchLogging.BATCH_LOGGER;
+import static org.hibernate.engine.jdbc.batch.JdbcBatchLogging.BATCH_MESSAGE_LOGGER;
 
 /**
  * A builder for {@link Batch} instances.
@@ -36,13 +37,10 @@ public class BatchBuilderImpl implements BatchBuilder {
 	 * on {@link #buildBatch}
 	 */
 	public BatchBuilderImpl(int globalBatchSize) {
-		if ( BATCH_LOGGER.isTraceEnabled() ) {
-			BATCH_LOGGER.tracef(
-					"Using standard BatchBuilder (%s)",
-					globalBatchSize
-			);
+		if ( globalBatchSize > 1 ) {
+			BATCH_MESSAGE_LOGGER.batchingEnabled( globalBatchSize );
 		}
-
+		BATCH_LOGGER.trace( "Using standard BatchBuilder");
 		this.globalBatchSize = globalBatchSize;
 	}
 
@@ -56,11 +54,11 @@ public Batch buildBatch(
 			Integer explicitBatchSize,
 			Supplier<PreparedStatementGroup> statementGroupSupplier,
 			JdbcCoordinator jdbcCoordinator) {
-		final int batchSize = explicitBatchSize == null
-				? globalBatchSize
-				: explicitBatchSize;
+		final int batchSize =
+				explicitBatchSize == null
+						? globalBatchSize
+						: explicitBatchSize;
 		assert batchSize > 1;
-
 		return new BatchImpl( key, statementGroupSupplier.get(), batchSize, jdbcCoordinator );
 	}