Polishing

spring-jdbc/src/main/java/org/springframework/jdbc/core/JdbcOperations.java

@@ -901,7 +901,7 @@ public interface JdbcOperations {
 	 * @param batchArgs the List of Object arrays containing the batch of arguments for the query
 	 * @return an array containing the numbers of rows affected by each update in the batch
 	 */
-	public int[] batchUpdate(String sql, List<Object[]> batchArgs) throws DataAccessException;
+	int[] batchUpdate(String sql, List<Object[]> batchArgs) throws DataAccessException;
 
 	/**
 	 * Execute a batch using the supplied SQL statement with the batch of supplied arguments.
@@ -911,7 +911,7 @@ public interface JdbcOperations {
 	 * (constants from {@code java.sql.Types})
 	 * @return an array containing the numbers of rows affected by each update in the batch
 	 */
-	public int[] batchUpdate(String sql, List<Object[]> batchArgs, int[] argTypes) throws DataAccessException;
+	int[] batchUpdate(String sql, List<Object[]> batchArgs, int[] argTypes) throws DataAccessException;
 
 	/**
 	 * Execute multiple batches using the supplied SQL statement with the collect of supplied arguments.
@@ -924,7 +924,7 @@ public interface JdbcOperations {
 	 * @return an array containing for each batch another array containing the numbers of rows affected
 	 * by each update in the batch
 	 */
-	public <T> int[][] batchUpdate(String sql, Collection<T> batchArgs, int batchSize,
+	<T> int[][] batchUpdate(String sql, Collection<T> batchArgs, int batchSize,
 			ParameterizedPreparedStatementSetter<T> pss) throws DataAccessException;
 
 

spring-jdbc/src/main/java/org/springframework/jdbc/core/JdbcTemplate.java

@@ -398,6 +398,7 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 		if (logger.isDebugEnabled()) {
 			logger.debug("Executing SQL statement [" + sql + "]");
 		}
+
 		class ExecuteStatementCallback implements StatementCallback<Object>, SqlProvider {
 			@Override
 			@Nullable
@@ -410,6 +411,7 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 				return sql;
 			}
 		}
+
 		execute(new ExecuteStatementCallback());
 	}
 
@@ -421,6 +423,7 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 		if (logger.isDebugEnabled()) {
 			logger.debug("Executing SQL query [" + sql + "]");
 		}
+
 		class QueryStatementCallback implements StatementCallback<T>, SqlProvider {
 			@Override
 			@Nullable
@@ -439,6 +442,7 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 				return sql;
 			}
 		}
+
 		return execute(new QueryStatementCallback());
 	}
 
@@ -493,7 +497,6 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 		}
 
 		class UpdateStatementCallback implements StatementCallback<Integer>, SqlProvider {
-
 			@Override
 			public Integer doInStatement(Statement stmt) throws SQLException {
 				int rows = stmt.executeUpdate(sql);
@@ -502,7 +505,6 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 				}
 				return rows;
 			}
-
 			@Override
 			public String getSql() {
 				return sql;

spring-jdbc/src/main/java/org/springframework/jdbc/core/namedparam/NamedParameterBatchUpdateUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2017 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,30 +24,31 @@ import org.springframework.jdbc.core.BatchUpdateUtils;
 import org.springframework.jdbc.core.JdbcOperations;
 
 /**
- * Generic utility methods for working with JDBC batch statements using named parameters. Mainly for internal use
- * within the framework.
+ * Generic utility methods for working with JDBC batch statements using named parameters.
+ * Mainly for internal use within the framework.
  *
  * @author Thomas Risberg
+ * @since 3.0
  */
 public class NamedParameterBatchUpdateUtils extends BatchUpdateUtils {
 
 	public static int[] executeBatchUpdateWithNamedParameters(final ParsedSql parsedSql,
 			final SqlParameterSource[] batchArgs, JdbcOperations jdbcOperations) {
+
 		if (batchArgs.length <= 0) {
 			return new int[] {0};
 		}
+
 		String sqlToUse = NamedParameterUtils.substituteNamedParameters(parsedSql, batchArgs[0]);
 		return jdbcOperations.batchUpdate(
 				sqlToUse,
 				new BatchPreparedStatementSetter() {
-
 					@Override
 					public void setValues(PreparedStatement ps, int i) throws SQLException {
 						Object[] values = NamedParameterUtils.buildValueArray(parsedSql, batchArgs[i], null);
 						int[] columnTypes = NamedParameterUtils.buildSqlTypeArray(parsedSql, batchArgs[i]);
 						setStatementParameters(values, ps, columnTypes);
 					}
-
 					@Override
 					public int getBatchSize() {
 						return batchArgs.length;

spring-jdbc/src/main/java/org/springframework/jdbc/core/namedparam/NamedParameterJdbcTemplate.java

@@ -348,8 +348,8 @@ public class NamedParameterJdbcTemplate implements NamedParameterJdbcOperations
 
 	@Override
 	public int[] batchUpdate(String sql, SqlParameterSource[] batchArgs) {
-		ParsedSql parsedSql = getParsedSql(sql);
-		return NamedParameterBatchUpdateUtils.executeBatchUpdateWithNamedParameters(parsedSql, batchArgs, getJdbcOperations());
+		return NamedParameterBatchUpdateUtils.executeBatchUpdateWithNamedParameters(
+				getParsedSql(sql), batchArgs, getJdbcOperations());
 	}
 
 	/**