重构。Connection 不通过参数传进来,避免用户在传进 Connection 前做不可预料的操作。

dev
ZhouXY108 2024-10-03 10:23:17 +08:00
parent 3ca9ad2be1
commit fda69cea6b
6 changed files with 379 additions and 185 deletions

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@ -6,7 +6,7 @@
<groupId>xyz.zhouxy.jdbc</groupId>
<artifactId>simple-jdbc</artifactId>
<version>0.1.0-SNAPSHOT</version>
<version>0.1.1-SNAPSHOT</version>
<properties>
<maven.compiler.source>8</maven.compiler.source>

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@ -1,5 +1,5 @@
/*
* Copyright 2022-2023 the original author or authors.
* Copyright 2022-2024 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.

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@ -1,3 +1,19 @@
/*
* Copyright 2022-2024 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.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package xyz.zhouxy.jdbc;
import java.util.Arrays;

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@ -1,5 +1,5 @@
/*
* Copyright 2022-2023 the original author or authors.
* Copyright 2022-2024 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.

View File

@ -1,5 +1,5 @@
/*
* Copyright 2022-2023 the original author or authors.
* Copyright 2022-2024 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.
@ -23,7 +23,6 @@ import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Map;
@ -32,6 +31,7 @@ import java.util.OptionalDouble;
import java.util.OptionalInt;
import java.util.OptionalLong;
import javax.annotation.Nonnull;
import javax.sql.DataSource;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
@ -40,110 +40,93 @@ import xyz.zhouxy.plusone.commons.util.OptionalTools;
public class SimpleJdbcTemplate {
public static JdbcExecutor connect(final Connection conn) {
return new JdbcExecutor(conn);
private final DataSource dataSource;
public SimpleJdbcTemplate(DataSource dataSource) {
this.dataSource = dataSource;
}
public static String paramsToString(Object[] params) {
return Arrays.toString(params);
}
public static String paramsToString(final Collection<Object[]> params) {
if (params == null) {
return "null";
}
if (params.isEmpty()) {
return "[]";
}
int iMax = params.size() - 1;
StringBuilder b = new StringBuilder();
b.append('[');
int i = 0;
for (Object[] p : params) {
b.append(Arrays.toString(p));
if (i == iMax) {
return b.append(']').toString();
}
b.append(',');
i++;
}
return b.append(']').toString();
}
private SimpleJdbcTemplate() {
throw new IllegalStateException("Utility class");
}
public static class JdbcExecutor {
private final Connection conn;
private JdbcExecutor(Connection conn) {
this.conn = conn;
}
public <T> List<T> query(String sql, Object[] params, ResultMap<T> resultMap) throws SQLException {
try (PreparedStatement stmt = this.conn.prepareStatement(sql)) {
fillStatement(stmt, params);
try (ResultSet rs = stmt.executeQuery()) {
List<T> result = new ArrayList<>();
int rowNumber = 0;
while (rs.next()) {
T e = resultMap.map(rs, rowNumber++);
result.add(e);
}
return result;
}
public <T> List<T> query(String sql, Object[] params, ResultMap<T> resultMap)
throws SQLException {
try (Connection conn = this.dataSource.getConnection()) {
return JdbcExecutor.query(conn, sql, params, resultMap);
}
}
public <T> Optional<T> queryFirst(String sql, Object[] params, ResultMap<T> resultMap) throws SQLException {
return query(sql, params, resultMap).stream().findFirst();
public <T> Optional<T> queryFirst(String sql, Object[] params, ResultMap<T> resultMap)
throws SQLException {
try (Connection conn = this.dataSource.getConnection()) {
return JdbcExecutor.queryFirst(conn, sql, params, resultMap);
}
}
public List<Map<String, Object>> query(String sql, Object[] params) throws SQLException {
return query(sql, params, ResultMap.mapResultMap);
public List<Map<String, Object>> query(String sql, Object[] params)
throws SQLException {
try (Connection conn = this.dataSource.getConnection()) {
return JdbcExecutor.query(conn, sql, params);
}
}
public Optional<Map<String, Object>> queryFirst(String sql, Object[] params) throws SQLException {
return queryFirst(sql, params, ResultMap.mapResultMap);
public Optional<Map<String, Object>> queryFirst(String sql, Object[] params)
throws SQLException {
try (Connection conn = this.dataSource.getConnection()) {
return JdbcExecutor.queryFirst(conn, sql, params);
}
}
public List<DbRecord> queryToRecordList(String sql, Object[] params) throws SQLException {
return query(sql, params, ResultMap.recordResultMap);
public List<DbRecord> queryToRecordList(String sql, Object[] params)
throws SQLException {
try (Connection conn = this.dataSource.getConnection()) {
return JdbcExecutor.queryToRecordList(conn, sql, params);
}
}
public Optional<DbRecord> queryFirstRecord(String sql, Object[] params) throws SQLException {
return queryFirst(sql, params, ResultMap.recordResultMap);
public Optional<DbRecord> queryFirstRecord(String sql, Object[] params)
throws SQLException {
try (Connection conn = this.dataSource.getConnection()) {
return JdbcExecutor.queryFirstRecord(conn, sql, params);
}
}
public Optional<String> queryToString(String sql, Object[] params) throws SQLException {
return queryFirst(sql, params, (rs, rowNumber) -> rs.getString(1));
public Optional<String> queryToString(String sql, Object[] params)
throws SQLException {
try (Connection conn = this.dataSource.getConnection()) {
return JdbcExecutor.queryToString(conn, sql, params);
}
}
public OptionalInt queryToInt(String sql, Object[] params) throws SQLException {
Optional<Integer> result = queryFirst(sql, params, (rs, rowNumber) -> rs.getInt(1));
return OptionalTools.toOptionalInt(result);
public OptionalInt queryToInt(String sql, Object[] params)
throws SQLException {
try (Connection conn = this.dataSource.getConnection()) {
return JdbcExecutor.queryToInt(conn, sql, params);
}
}
public OptionalLong queryToLong(String sql, Object[] params) throws SQLException {
Optional<Long> result = queryFirst(sql, params, (rs, rowNumber) -> rs.getLong(1));
return OptionalTools.toOptionalLong(result);
public OptionalLong queryToLong(String sql, Object[] params)
throws SQLException {
try (Connection conn = this.dataSource.getConnection()) {
return JdbcExecutor.queryToLong(conn, sql, params);
}
}
public OptionalDouble queryToDouble(String sql, Object[] params) throws SQLException {
Optional<Double> result = queryFirst(sql, params, (rs, rowNumber) -> rs.getDouble(1));
return OptionalTools.toOptionalDouble(result);
public OptionalDouble queryToDouble(String sql, Object[] params)
throws SQLException {
try (Connection conn = this.dataSource.getConnection()) {
return JdbcExecutor.queryToDouble(conn, sql, params);
}
}
public Optional<BigDecimal> queryToBigDecimal(String sql, Object[] params) throws SQLException {
return queryFirst(sql, params, (rs, rowNumber) -> rs.getBigDecimal(1));
public Optional<BigDecimal> queryToBigDecimal(String sql, Object[] params)
throws SQLException {
try (Connection conn = this.dataSource.getConnection()) {
return JdbcExecutor.queryToBigDecimal(conn, sql, params);
}
}
public int update(String sql, Object[] params) throws SQLException {
try (PreparedStatement stmt = this.conn.prepareStatement(sql)) {
fillStatement(stmt, params);
return stmt.executeUpdate();
public int update(String sql, Object[] params)
throws SQLException {
try (Connection conn = this.dataSource.getConnection()) {
return JdbcExecutor.update(conn, sql, params);
}
}
@ -159,11 +142,254 @@ public class SimpleJdbcTemplate {
*/
public <T> List<T> update(@Nonnull String sql, @Nonnull Object[] params, ResultMap<T> resultMap)
throws SQLException {
try (Connection conn = this.dataSource.getConnection()) {
return JdbcExecutor.update(conn, sql, params, resultMap);
}
}
public List<int[]> batchUpdate(String sql, Collection<Object[]> params, int batchSize)
throws SQLException {
try (Connection conn = this.dataSource.getConnection()) {
return JdbcExecutor.batchUpdate(conn, sql, params, batchSize);
}
}
public <E extends Exception> void executeTransaction(@Nonnull final DbOperations<E> operations)
throws SQLException, E {
Preconditions.checkNotNull(operations, "Operations can not be null.");
try (Connection conn = this.dataSource.getConnection()) {
final boolean autoCommit = conn.getAutoCommit();
try {
conn.setAutoCommit(false);
operations.execute(new JdbcExecutor(conn));
conn.commit();
}
catch (Exception e) {
conn.rollback();
throw e;
}
finally {
conn.setAutoCommit(autoCommit);
}
}
}
public <E extends Exception> void commitIfTrue(@Nonnull final PredicateWithThrowable<E> operations)
throws SQLException, E {
Preconditions.checkNotNull(operations, "Operations can not be null.");
try (Connection conn = this.dataSource.getConnection()) {
final boolean autoCommit = conn.getAutoCommit();
try {
conn.setAutoCommit(false);
if (operations.test(new JdbcExecutor(conn))) {
conn.commit();
}
else {
conn.rollback();
}
}
catch (Exception e) {
conn.rollback();
throw e;
}
finally {
conn.setAutoCommit(autoCommit);
}
}
}
@FunctionalInterface
public interface DbOperations<E extends Exception> {
void execute(JdbcExecutor jdbcExecutor) throws E;
}
@FunctionalInterface
public interface PredicateWithThrowable<E extends Throwable> {
boolean test(JdbcExecutor jdbcExecutor) throws E;
}
public static final class JdbcExecutor {
private final Connection conn;
private JdbcExecutor(Connection conn) {
this.conn = conn;
}
public <T> List<T> query(String sql, Object[] params, ResultMap<T> resultMap)
throws SQLException {
return JdbcExecutor.query(this.conn, sql, params, resultMap);
}
public <T> Optional<T> queryFirst(String sql, Object[] params, ResultMap<T> resultMap)
throws SQLException {
return JdbcExecutor.queryFirst(this.conn, sql, params, resultMap);
}
public List<Map<String, Object>> query(String sql, Object[] params)
throws SQLException {
return JdbcExecutor.query(this.conn, sql, params);
}
public Optional<Map<String, Object>> queryFirst(String sql, Object[] params)
throws SQLException {
return JdbcExecutor.queryFirst(this.conn, sql, params);
}
public List<DbRecord> queryToRecordList(String sql, Object[] params)
throws SQLException {
return JdbcExecutor.queryToRecordList(this.conn, sql, params);
}
public Optional<DbRecord> queryFirstRecord(String sql, Object[] params)
throws SQLException {
return JdbcExecutor.queryFirstRecord(this.conn, sql, params);
}
public Optional<String> queryToString(String sql, Object[] params)
throws SQLException {
return JdbcExecutor.queryToString(this.conn, sql, params);
}
public OptionalInt queryToInt(String sql, Object[] params)
throws SQLException {
return JdbcExecutor.queryToInt(this.conn, sql, params);
}
public OptionalLong queryToLong(String sql, Object[] params)
throws SQLException {
return JdbcExecutor.queryToLong(this.conn, sql, params);
}
public OptionalDouble queryToDouble(String sql, Object[] params)
throws SQLException {
return JdbcExecutor.queryToDouble(this.conn, sql, params);
}
public Optional<BigDecimal> queryToBigDecimal(String sql, Object[] params)
throws SQLException {
return JdbcExecutor.queryToBigDecimal(this.conn, sql, params);
}
public int update(String sql, Object[] params)
throws SQLException {
return JdbcExecutor.update(this.conn, sql, params);
}
/**
* SQL
*
* @param sql SQL
* @param params
* @param resultMap
*
* @return
* @throws SQLException SQL
*/
public <T> List<T> update(@Nonnull String sql, @Nonnull Object[] params, ResultMap<T> resultMap)
throws SQLException {
return JdbcExecutor.update(this.conn, sql, params, resultMap);
}
public List<int[]> batchUpdate(String sql, Collection<Object[]> params, int batchSize)
throws SQLException {
return JdbcExecutor.batchUpdate(this.conn, sql, params, batchSize);
}
private static <T> List<T> query(Connection conn, String sql, Object[] params, ResultMap<T> resultMap)
throws SQLException {
try (PreparedStatement stmt = conn.prepareStatement(sql)) {
fillStatement(stmt, params);
try (ResultSet rs = stmt.executeQuery()) {
List<T> result = new ArrayList<>();
int rowNumber = 0;
while (rs.next()) {
T e = resultMap.map(rs, rowNumber++);
result.add(e);
}
return result;
}
}
}
private static <T> Optional<T> queryFirst(Connection conn, String sql, Object[] params, ResultMap<T> resultMap)
throws SQLException {
return query(conn, sql, params, resultMap).stream().findFirst();
}
private static List<Map<String, Object>> query(Connection conn, String sql, Object[] params)
throws SQLException {
return query(conn, sql, params, ResultMap.mapResultMap);
}
private static Optional<Map<String, Object>> queryFirst(Connection conn, String sql, Object[] params)
throws SQLException {
return queryFirst(conn, sql, params, ResultMap.mapResultMap);
}
private static List<DbRecord> queryToRecordList(Connection conn, String sql, Object[] params)
throws SQLException {
return query(conn, sql, params, ResultMap.recordResultMap);
}
private static Optional<DbRecord> queryFirstRecord(Connection conn, String sql, Object[] params)
throws SQLException {
return queryFirst(conn, sql, params, ResultMap.recordResultMap);
}
private static Optional<String> queryToString(Connection conn, String sql, Object[] params)
throws SQLException {
return queryFirst(conn, sql, params, (rs, rowNumber) -> rs.getString(1));
}
private static OptionalInt queryToInt(Connection conn, String sql, Object[] params)
throws SQLException {
Optional<Integer> result = queryFirst(conn, sql, params, (rs, rowNumber) -> rs.getInt(1));
return OptionalTools.toOptionalInt(result);
}
private static OptionalLong queryToLong(Connection conn, String sql, Object[] params)
throws SQLException {
Optional<Long> result = queryFirst(conn, sql, params, (rs, rowNumber) -> rs.getLong(1));
return OptionalTools.toOptionalLong(result);
}
private static OptionalDouble queryToDouble(Connection conn, String sql, Object[] params)
throws SQLException {
Optional<Double> result = queryFirst(conn, sql, params, (rs, rowNumber) -> rs.getDouble(1));
return OptionalTools.toOptionalDouble(result);
}
private static Optional<BigDecimal> queryToBigDecimal(Connection conn, String sql, Object[] params)
throws SQLException {
return queryFirst(conn, sql, params, (rs, rowNumber) -> rs.getBigDecimal(1));
}
private static int update(Connection conn, String sql, Object[] params)
throws SQLException {
try (PreparedStatement stmt = conn.prepareStatement(sql)) {
fillStatement(stmt, params);
return stmt.executeUpdate();
}
}
/**
* SQL
*
* @param sql SQL
* @param params
* @param resultMap
*
* @return
* @throws SQLException SQL
*/
private static <T> List<T> update(Connection conn, String sql, Object[] params, ResultMap<T> resultMap)
throws SQLException {
Preconditions.checkNotNull(sql, "The sql could not be null.");
Preconditions.checkNotNull(params, "The params could not be null.");
Preconditions.checkNotNull(resultMap, "The resultMap could not be null.");
final List<T> result = new ArrayList<>();
try (PreparedStatement stmt = this.conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
try (PreparedStatement stmt = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
fillStatement(stmt, params);
stmt.executeUpdate();
try (ResultSet generatedKeys = stmt.getGeneratedKeys();) {
@ -177,12 +403,13 @@ public class SimpleJdbcTemplate {
}
}
public List<int[]> batchUpdate(String sql, Collection<Object[]> params, int batchSize) throws SQLException {
private static List<int[]> batchUpdate(Connection conn, String sql, Collection<Object[]> params, int batchSize)
throws SQLException {
int executeCount = params.size() / batchSize;
executeCount = (params.size() % batchSize == 0) ? executeCount : (executeCount + 1);
List<int[]> result = Lists.newArrayListWithCapacity(executeCount);
try (PreparedStatement stmt = this.conn.prepareStatement(sql)) {
try (PreparedStatement stmt = conn.prepareStatement(sql)) {
int i = 0;
for (Object[] ps : params) {
i++;
@ -198,57 +425,8 @@ public class SimpleJdbcTemplate {
}
}
public <E extends Exception> void executeTransaction(@Nonnull final DbOperations<E> operations)
throws SQLException, E {
Preconditions.checkNotNull(operations, "Operations can not be null.");
final boolean autoCommit = this.conn.getAutoCommit();
try {
this.conn.setAutoCommit(false);
operations.execute(this);
this.conn.commit();
}
catch (Exception e) {
this.conn.rollback();
throw e;
}
finally {
this.conn.setAutoCommit(autoCommit);
}
}
public <E extends Exception> void commitIfTrue(@Nonnull final PredicateWithThrowable<E> operations)
throws SQLException, E {
Preconditions.checkNotNull(operations, "Operations can not be null.");
final boolean autoCommit = this.conn.getAutoCommit();
try {
this.conn.setAutoCommit(false);
if (operations.test(this)) {
this.conn.commit();
}
else {
this.conn.rollback();
}
}
catch (Exception e) {
this.conn.rollback();
throw e;
}
finally {
this.conn.setAutoCommit(autoCommit);
}
}
@FunctionalInterface
public interface DbOperations<E extends Exception> {
void execute(JdbcExecutor jdbcExecutor) throws E;
}
@FunctionalInterface
public interface PredicateWithThrowable<E extends Throwable> {
boolean test(JdbcExecutor jdbcExecutor) throws E;
}
private static void fillStatement(PreparedStatement stmt, Object[] params) throws SQLException {
private static void fillStatement(PreparedStatement stmt, Object[] params)
throws SQLException {
if (params != null && params.length > 0) {
Object param;
for (int i = 0; i < params.length; i++) {

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@ -6,7 +6,6 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
import static xyz.zhouxy.jdbc.ParamBuilder.*;
import static xyz.zhouxy.plusone.commons.sql.JdbcSql.IN;
import java.sql.Connection;
import java.sql.SQLException;
import java.time.LocalDate;
import java.time.LocalDateTime;
@ -39,14 +38,7 @@ class SimpleJdbcTemplateTests {
private static final DataSource dataSource;
String[] cStruct = {
"id",
"created_by",
"create_time",
"updated_by",
"update_time",
"status"
};
private static final SimpleJdbcTemplate jdbcTemplate;
static {
HikariConfig config = new HikariConfig();
@ -56,6 +48,7 @@ class SimpleJdbcTemplateTests {
config.setMaximumPoolSize(8);
config.setConnectionTimeout(1000000);
dataSource = new HikariDataSource(config);
jdbcTemplate = new SimpleJdbcTemplate(dataSource);
}
@Test
@ -67,8 +60,7 @@ class SimpleJdbcTemplateTests {
.WHERE(IN("id", ids))
.toString();
log.info(sql);
try (Connection conn = dataSource.getConnection()) {
List<DbRecord> rs = SimpleJdbcTemplate.connect(conn)
List<DbRecord> rs = jdbcTemplate
.queryToRecordList(sql, ids);
assertNotNull(rs);
for (DbRecord baseEntity : rs) {
@ -77,12 +69,10 @@ class SimpleJdbcTemplateTests {
assertEquals(Optional.empty(), baseEntity.getValueAsString("updated_by"));
}
}
}
@Test
void testInsert() throws SQLException {
try (Connection conn = dataSource.getConnection()) {
List<DbRecord> keys = SimpleJdbcTemplate.connect(conn).update(
List<DbRecord> keys = jdbcTemplate.update(
"INSERT INTO base_table(status, created_by) VALUES (?, ?)",
buildParams(1, 886L),
ResultMap.recordResultMap);
@ -93,88 +83,97 @@ class SimpleJdbcTemplateTests {
assertEquals(886L, result.getValueAsLong("created_by").getAsLong());
assertTrue(result.get("id").isPresent());
}
}
@Test
void testUpdate() throws SQLException {
try (Connection conn = dataSource.getConnection()) {
List<DbRecord> keys = SimpleJdbcTemplate.connect(conn).update(
List<DbRecord> keys = jdbcTemplate.update(
"UPDATE base_table SET status = ?, version = version + 1, update_time = now(), updated_by = ? WHERE id = ? AND version = ?",
buildParams(2, 886, 9, 0),
buildParams(2, 886, 571328822575109L, 0),
ResultMap.recordResultMap);
log.info("keys: {}", keys);
}
}
final IdWorker idGenerator = IdGenerator.getSnowflakeIdGenerator(0);
@Test
void testTransaction() throws SQLException {
try (Connection conn = dataSource.getConnection()) {
// 抛异常,回滚
{
long id = this.idGenerator.nextId();
JdbcExecutor jdbcExecutor = SimpleJdbcTemplate.connect(conn);
jdbcExecutor.executeTransaction(jdbc -> {
try {
jdbcTemplate.executeTransaction((JdbcExecutor jdbc) -> {
jdbc.update("INSERT INTO base_table (id, created_by, create_time, status) VALUES (?, ?, ?, ?)",
buildParams(id, 585757, LocalDateTime.now(), 0));
buildParams(id, 100, LocalDateTime.now(), 0));
throw new NullPointerException();
});
Optional<Map<String, Object>> first = jdbcExecutor
}
catch (NullPointerException e) {
// ignore
}
Optional<Map<String, Object>> first = jdbcTemplate
.queryFirst("SELECT * FROM base_table WHERE id = ?", buildParams(id));
log.info("first: {}", first);
assertTrue(!first.isPresent());
}
try (Connection conn = dataSource.getConnection()) {
// 没有异常,提交事务
{
long id = this.idGenerator.nextId();
JdbcExecutor jdbcExecutor = SimpleJdbcTemplate.connect(conn);
jdbcExecutor.executeTransaction(jdbc -> {
jdbcTemplate.executeTransaction(jdbc -> {
jdbc.update("INSERT INTO base_table (id, created_by, create_time, status) VALUES (?, ?, ?, ?)",
buildParams(id, 585757, LocalDateTime.now(), 0));
// throw new NullPointerException(); // NOSONAR
buildParams(id, 101, LocalDateTime.now(), 0));
});
Optional<Map<String, Object>> first = jdbcExecutor
Optional<Map<String, Object>> first = jdbcTemplate
.queryFirst("SELECT * FROM base_table WHERE id = ?", buildParams(id));
log.info("first: {}", first);
assertTrue(first.isPresent());
}
try (Connection conn = dataSource.getConnection()) {
// 抛异常,回滚
{
long id = this.idGenerator.nextId();
JdbcExecutor jdbcExecutor = SimpleJdbcTemplate.connect(conn);
jdbcExecutor.commitIfTrue(jdbc -> {
try {
jdbcTemplate.commitIfTrue(jdbc -> {
jdbc.update("INSERT INTO base_table (id, created_by, create_time, status) VALUES (?, ?, ?, ?)",
buildParams(id, 585757, LocalDateTime.now(), 0));
buildParams(id, 102, LocalDateTime.now(), 0));
throw new NullPointerException();
});
Optional<Map<String, Object>> first = jdbcExecutor
}
catch (NullPointerException e) {
// ignore
}
Optional<Map<String, Object>> first = jdbcTemplate
.queryFirst("SELECT * FROM base_table WHERE id = ?", buildParams(id));
log.info("first: {}", first);
assertTrue(!first.isPresent());
}
try (Connection conn = dataSource.getConnection()) {
// 返回 false回滚
{
long id = this.idGenerator.nextId();
JdbcExecutor jdbcExecutor = SimpleJdbcTemplate.connect(conn);
jdbcExecutor.commitIfTrue(jdbc -> {
jdbcTemplate.commitIfTrue(jdbc -> {
jdbc.update("INSERT INTO base_table (id, created_by, create_time, status) VALUES (?, ?, ?, ?)",
buildParams(id, 585757, LocalDateTime.now(), 0));
buildParams(id, 103, LocalDateTime.now(), 0));
return false;
});
Optional<Map<String, Object>> first = jdbcExecutor
Optional<Map<String, Object>> first = jdbcTemplate
.queryFirst("SELECT * FROM base_table WHERE id = ?", buildParams(id));
log.info("first: {}", first);
assertTrue(!first.isPresent());
}
try (Connection conn = dataSource.getConnection()) {
// 返回 true提交事务
{
long id = this.idGenerator.nextId();
JdbcExecutor jdbcExecutor = SimpleJdbcTemplate.connect(conn);
jdbcExecutor.commitIfTrue(jdbc -> {
jdbcTemplate.commitIfTrue(jdbc -> {
jdbc.update("INSERT INTO base_table (id, created_by, create_time, status) VALUES (?, ?, ?, ?)",
buildParams(id, 585757, LocalDateTime.now(), 0));
buildParams(id, 104, LocalDateTime.now(), 0));
return true;
});
Optional<Map<String, Object>> first = jdbcExecutor
Optional<Map<String, Object>> first = jdbcTemplate
.queryFirst("SELECT * FROM base_table WHERE id = ?", buildParams(id));
log.info("first: {}", first);
assertTrue(first.isPresent());
@ -202,9 +201,9 @@ class SimpleJdbcTemplateTests {
handleDate = handleDate.plusDays(1L);
}
try (Connection conn = dataSource.getConnection()) {
List<int[]> result = SimpleJdbcTemplate.connect(conn)
.batchUpdate("insert into test_table (username, usage_date, usage_duration) values (?,?,?)",
try {
List<int[]> result = jdbcTemplate.batchUpdate(
"insert into test_table (username, usage_date, usage_duration) values (?,?,?)",
buildBatchParams(datas, item -> buildParams(
item.getValueAsString("username"),
item.getValueAsString("usage_date"),
@ -213,7 +212,8 @@ class SimpleJdbcTemplateTests {
long sum = Numbers.sum(ArrayTools.concatIntArray(result));
assertEquals(datas.size(), sum);
log.info("sum: {}", sum);
} catch (Exception e) {
}
catch (Exception e) {
e.printStackTrace();
throw e;
}