int batchSize = ConfigurationHelper.getInt(AvailableSettings.STATEMENT_BATCH_SIZE, properties, 0);
      if ( !meta.supportsBatchUpdates() ) {
         batchSize = 0;
      }
      if ( batchSize > 0 && debugEnabled ) {
         LOG.debugf( "JDBC batch size: %s", batchSize );
      }
      settings.setJdbcBatchSize(batchSize);

public class BatchBuilderImpl implements BatchBuilder, Configurable {

   private static final CoreMessageLogger LOG = Logger.getMessageLogger( CoreMessageLogger.class, BatchBuilderImpl.class.getName() );

   private int size;

   public BatchBuilderImpl() {
   }

   @Override
   public void configure(Map configurationValues) {
      size = ConfigurationHelper.getInt( Environment.STATEMENT_BATCH_SIZE, configurationValues, size );
   }

   public BatchBuilderImpl(int size) {
      this.size = size;
   }

   public void setJdbcBatchSize(int size) {
      this.size = size;
   }

   @Override
   public Batch buildBatch(BatchKey key, JdbcCoordinator jdbcCoordinator) {
      LOG.tracef( "Building batch [size=%s]", size );
      return size > 1
            ? new BatchingBatch( key, jdbcCoordinator, size )
            : new NonBatchingBatch( key, jdbcCoordinator );
   }
        ...