MySql大量数据新增

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171

static class MySqlC {
AtomicBoolean free = new AtomicBoolean(true);
private SqlSession session;
private BbItemInfoMapper mapper;

public MySqlC(SqlSession session) {
this.session = session;
this.mapper = session.getMapper(BbItemInfoMapper.class);
}
}

private final ArrayList<MySqlC> connectionLists = new ArrayList<>();

private MySqlC getFreeConnection() {
for (MySqlC connectionList : connectionLists) {
if (connectionList.free.get()) {
return connectionList;
}
}
return null;
}

public void importPlu(String filePath, Long batchId) {
try {
File file = new File(filePath);
CsvReader reader = CsvUtil.getReader();
//设置文件读取的分隔符
reader.setFieldSeparator('|');
String charSet = FileUtils.getCharSet(new BufferedInputStream(new FileInputStream(file)));
//根据特定的编码方式读取File的内容
CsvData data = reader.read(file, Charset.forName(charSet));
if (data == null) {
log.error("read csvData got null");
return;
}
ArrayList<BbItemInfo> nInfoList = new ArrayList<>();
int insertCount = 0;
CsvRow firstRow;
String storeNum = "";
int batchCount = 0;
CountDownLatch countDownLatch = new CountDownLatch(data.getRowCount());

connectionLists.add(new MySqlC(sqlSessionFactory.openSession(ExecutorType.BATCH, false)));
connectionLists.add(new MySqlC(sqlSessionFactory.openSession(ExecutorType.BATCH, false)));
connectionLists.add(new MySqlC(sqlSessionFactory.openSession(ExecutorType.BATCH, false)));
connectionLists.add(new MySqlC(sqlSessionFactory.openSession(ExecutorType.BATCH, false)));

// SqlSession sqlsession = sqlSessionFactory.openSession(ExecutorType.BATCH, false);
// BbItemInfoMapper bbItemInfoMapper = sqlsession.getMapper(BbItemInfoMapper.class);

for (int i = 0; i < data.getRowCount(); i++) {
if (i == 0) {
firstRow = data.getRow(i);
log.debug(JSON.toJSONString(firstRow));
storeNum = firstRow.get(6);
countDownLatch.countDown();
} else {
CsvRow row = data.getRow(i);
if (row == null) {
log.warn("line 0 is null ");
} else {
log.debug(JSON.toJSONString(row));
BbItemInfo info = new BbItemInfo();
info.setPlu_btch_nbr(row.get(0));
info.setItm_id(StringUtils.parseStr2Int(row.get(2)));
info.setStr_hier_id(StringUtils.parseStr2Int(row.get(3)));
info.setDspl_descr(row.get(6));
info.setRcpt_descr(row.get(8));
info.setTaxability_cd(row.get(9));
info.setSls_auth_fg(row.get(19));
info.setRtl_prc(row.get(23));
info.setTax_rate1_fg(row.get(47));
info.setTax_rate3_fg(row.get(48));
info.setTax_rate4_fg(row.get(49));
info.setTax_rate5_fg(row.get(50));
info.setTax_rate6_fg(row.get(51));
info.setTax_rate7_fg(row.get(52));
info.setTax_rate8_fg(row.get(53));
info.setSubdep_id(StringUtils.parseStr2Int(row.get(61)));
info.setRcpt_descr1(row.get(78));
info.setRcpt_descr2(row.get(79));
info.setRcpt_descr3(row.get(80));
info.setIntrnl_id(StringUtils.parseStr2Int(row.get(85)));
info.setBns_by_descr(row.get(108));
info.setComp_prc(row.get(110));
info.setVnd_itm_id2(row.get(137));
info.setBatch_id(batchId);
info.setStatus_id(0);
info.setAdd_time(new Date());
info.setOp_code(StringUtils.parseStr2Int(row.get(1)));
info.setStore_num(storeNum);
batchCount++;
nInfoList.add(info);
}
}
if (batchCount > 999) {
long startSave = System.currentTimeMillis();

int finalBatchCount = batchCount;
final ArrayList<BbItemInfo> insertList = nInfoList;
PriorityThreadFactory.getPool().execute(new PriorityThread() {
@Override
public void run() {
MySqlC c;
while ((c = getFreeConnection()) != null) {
c.free.set(false);
commit(insertList, c.session, c.mapper);
c.free.set(true);
for (int j = 0; j < finalBatchCount; j++) {
countDownLatch.countDown();
}
break;
}
}

@Override
public String getThreadName() {
return "t" + System.currentTimeMillis();
}
});

log.info("保存耗费 :" + (System.currentTimeMillis() - startSave) + "ms");
insertCount += batchCount;
batchCount = 0;
nInfoList = new ArrayList<>();
}
}

int finalBatchCount = batchCount;
final ArrayList<BbItemInfo> insertList = nInfoList;
PriorityThreadFactory.getPool().execute(new PriorityThread() {
@Override
public void run() {
MySqlC c;
while ((c = getFreeConnection()) != null) {
commit(insertList, c.session, c.mapper);
for (int j = 0; j < finalBatchCount; j++) {
countDownLatch.countDown();
}
break;
}
}

@Override
public String getThreadName() {
return "t" + System.currentTimeMillis();
}
});

insertCount += batchCount;

countDownLatch.await();
for (int i = 0; i < connectionLists.size(); i++) {
connectionLists.get(i).session.close();
}

log.info(String.format("\n导入itemInfo(" + filePath + "), 单据数:%s, 导入数量:%s ", data.getRowCount(), insertCount));
} catch (Exception e) {
e.printStackTrace();
log.error("导入itemInfo", e);
}
}

public synchronized void commit(List<BbItemInfo> bbItemInfos, SqlSession sqlsession, BbItemInfoMapper bbItemInfoMapper) {
for (BbItemInfo bbItemInfo : bbItemInfos) {
bbItemInfoMapper.insert(bbItemInfo);
}
sqlsession.commit();
sqlsession.clearCache();
}