-
Notifications
You must be signed in to change notification settings - Fork 6.7k
/
AbstractPreparedStatementAdapter.java
350 lines (297 loc) · 15.1 KB
/
AbstractPreparedStatementAdapter.java
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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
/*
* Copyright 1999-2015 dangdang.com.
* <p>
* 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
*
* http://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.
* </p>
*/
package com.dangdang.ddframe.rdb.sharding.jdbc.adapter;
import com.dangdang.ddframe.rdb.sharding.exception.ShardingJdbcException;
import com.dangdang.ddframe.rdb.sharding.jdbc.adapter.invocation.SetParameterMethodInvocation;
import com.dangdang.ddframe.rdb.sharding.jdbc.core.connection.ShardingConnection;
import com.dangdang.ddframe.rdb.sharding.jdbc.unsupported.AbstractUnsupportedOperationPreparedStatement;
import lombok.Getter;
import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Date;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.SQLXML;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.LinkedList;
import java.util.List;
import java.util.Objects;
/**
* 预编译语句对象的适配类.
*
* <p>
* 封装与分片核心逻辑不相关的方法.
* </p>
*
* @author zhangliang
*/
public abstract class AbstractPreparedStatementAdapter extends AbstractUnsupportedOperationPreparedStatement {
private final List<SetParameterMethodInvocation> setParameterMethodInvocations = new LinkedList<>();
@Getter
private final List<Object> parameters = new ArrayList<>();
protected AbstractPreparedStatementAdapter(final ShardingConnection shardingConnection, final int resultSetType, final int resultSetConcurrency, final int resultSetHoldability) {
super(shardingConnection, resultSetType, resultSetConcurrency, resultSetHoldability);
}
@Override
public final void setNull(final int parameterIndex, final int sqlType) throws SQLException {
setParameter(parameterIndex, null);
recordSetParameterForNull(new Class[]{int.class, int.class}, parameterIndex, sqlType);
}
@Override
public final void setNull(final int parameterIndex, final int sqlType, final String typeName) throws SQLException {
setParameter(parameterIndex, null);
recordSetParameterForNull(new Class[]{int.class, int.class, String.class}, parameterIndex, sqlType, typeName);
}
@Override
public final void setBoolean(final int parameterIndex, final boolean x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setBoolean", new Class[]{int.class, boolean.class}, parameterIndex, x);
}
@Override
public final void setByte(final int parameterIndex, final byte x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setByte", new Class[]{int.class, byte.class}, parameterIndex, x);
}
@Override
public final void setShort(final int parameterIndex, final short x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setShort", new Class[]{int.class, short.class}, parameterIndex, x);
}
@Override
public final void setInt(final int parameterIndex, final int x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setInt", new Class[]{int.class, int.class}, parameterIndex, x);
}
@Override
public final void setLong(final int parameterIndex, final long x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setLong", new Class[]{int.class, long.class}, parameterIndex, x);
}
@Override
public final void setFloat(final int parameterIndex, final float x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setFloat", new Class[]{int.class, float.class}, parameterIndex, x);
}
@Override
public final void setDouble(final int parameterIndex, final double x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setDouble", new Class[]{int.class, double.class}, parameterIndex, x);
}
@Override
public final void setString(final int parameterIndex, final String x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setString", new Class[]{int.class, String.class}, parameterIndex, x);
}
@Override
public final void setBigDecimal(final int parameterIndex, final BigDecimal x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setBigDecimal", new Class[]{int.class, BigDecimal.class}, parameterIndex, x);
}
@Override
public final void setDate(final int parameterIndex, final Date x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setDate", new Class[]{int.class, Date.class}, parameterIndex, x);
}
@Override
public final void setDate(final int parameterIndex, final Date x, final Calendar cal) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setDate", new Class[]{int.class, Date.class, Calendar.class}, parameterIndex, x, cal);
}
@Override
public final void setTime(final int parameterIndex, final Time x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setTime", new Class[]{int.class, Time.class}, parameterIndex, x);
}
@Override
public final void setTime(final int parameterIndex, final Time x, final Calendar cal) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setTime", new Class[]{int.class, Time.class, Calendar.class}, parameterIndex, x, cal);
}
@Override
public final void setTimestamp(final int parameterIndex, final Timestamp x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setTimestamp", new Class[]{int.class, Timestamp.class}, parameterIndex, x);
}
@Override
public final void setTimestamp(final int parameterIndex, final Timestamp x, final Calendar cal) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setTimestamp", new Class[]{int.class, Timestamp.class, Calendar.class}, parameterIndex, x, cal);
}
@Override
public final void setBytes(final int parameterIndex, final byte[] x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setBytes", new Class[]{int.class, byte[].class}, parameterIndex, x);
}
@Override
public final void setBlob(final int parameterIndex, final Blob x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setBlob", new Class[]{int.class, Blob.class}, parameterIndex, x);
}
@Override
public final void setBlob(final int parameterIndex, final InputStream x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setBlob", new Class[]{int.class, InputStream.class}, parameterIndex, x);
}
@Override
public final void setBlob(final int parameterIndex, final InputStream x, final long length) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setBlob", new Class[]{int.class, InputStream.class, long.class}, parameterIndex, x, length);
}
@Override
public final void setClob(final int parameterIndex, final Clob x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setClob", new Class[]{int.class, Clob.class}, parameterIndex, x);
}
@Override
public final void setClob(final int parameterIndex, final Reader x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setClob", new Class[]{int.class, Reader.class}, parameterIndex, x);
}
@Override
public final void setClob(final int parameterIndex, final Reader x, final long length) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setClob", new Class[]{int.class, Reader.class, long.class}, parameterIndex, x, length);
}
@Override
public final void setAsciiStream(final int parameterIndex, final InputStream x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setAsciiStream", new Class[]{int.class, InputStream.class}, parameterIndex, x);
}
@Override
public final void setAsciiStream(final int parameterIndex, final InputStream x, final int length) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setAsciiStream", new Class[]{int.class, InputStream.class, int.class}, parameterIndex, x, length);
}
@Override
public final void setAsciiStream(final int parameterIndex, final InputStream x, final long length) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setAsciiStream", new Class[]{int.class, InputStream.class, long.class}, parameterIndex, x, length);
}
@Override
public final void setUnicodeStream(final int parameterIndex, final InputStream x, final int length) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setUnicodeStream", new Class[]{int.class, InputStream.class, int.class}, parameterIndex, x, length);
}
@Override
public final void setBinaryStream(final int parameterIndex, final InputStream x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setBinaryStream", new Class[]{int.class, InputStream.class}, parameterIndex, x);
}
@Override
public final void setBinaryStream(final int parameterIndex, final InputStream x, final int length) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setBinaryStream", new Class[]{int.class, InputStream.class, int.class}, parameterIndex, x, length);
}
@Override
public final void setBinaryStream(final int parameterIndex, final InputStream x, final long length) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setBinaryStream", new Class[]{int.class, InputStream.class, long.class}, parameterIndex, x, length);
}
@Override
public final void setCharacterStream(final int parameterIndex, final Reader x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setCharacterStream", new Class[]{int.class, Reader.class}, parameterIndex, x);
}
@Override
public final void setCharacterStream(final int parameterIndex, final Reader x, final int length) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setCharacterStream", new Class[]{int.class, Reader.class, int.class}, parameterIndex, x, length);
}
@Override
public final void setCharacterStream(final int parameterIndex, final Reader x, final long length) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setCharacterStream", new Class[]{int.class, Reader.class, long.class}, parameterIndex, x, length);
}
@Override
public final void setURL(final int parameterIndex, final URL x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setURL", new Class[]{int.class, URL.class}, parameterIndex, x);
}
@Override
public final void setSQLXML(final int parameterIndex, final SQLXML x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setSQLXML", new Class[]{int.class, SQLXML.class}, parameterIndex, x);
}
@Override
public final void setObject(final int parameterIndex, final Object x) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setObject", new Class[]{int.class, Object.class}, parameterIndex, x);
}
@Override
public final void setObject(final int parameterIndex, final Object x, final int targetSqlType) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setObject", new Class[]{int.class, Object.class, int.class}, parameterIndex, x, targetSqlType);
}
@Override
public final void setObject(final int parameterIndex, final Object x, final int targetSqlType, final int scaleOrLength) throws SQLException {
setParameter(parameterIndex, x);
recordSetParameter("setObject", new Class[]{int.class, Object.class, int.class, int.class}, parameterIndex, x, targetSqlType, scaleOrLength);
}
private void setParameter(final int parameterIndex, final Object value) {
if (parameters.size() == parameterIndex - 1) {
parameters.add(value);
return;
}
for (int i = parameters.size(); i <= parameterIndex - 1; i++) {
parameters.add(null);
}
parameters.set(parameterIndex - 1, value);
}
private void recordSetParameter(final String methodName, final Class[] argumentTypes, final Object... arguments) {
try {
setParameterMethodInvocations.add(new SetParameterMethodInvocation(PreparedStatement.class.getMethod(methodName, argumentTypes), arguments, arguments[1]));
} catch (final NoSuchMethodException ex) {
throw new ShardingJdbcException(ex);
}
}
private void recordSetParameterForNull(final Class[] argumentTypes, final Object... arguments) {
try {
setParameterMethodInvocations.add(new SetParameterMethodInvocation(PreparedStatement.class.getMethod("setNull", argumentTypes), arguments, null));
} catch (final NoSuchMethodException ex) {
throw new ShardingJdbcException(ex);
}
}
protected void replaySetParameter(final PreparedStatement preparedStatement) {
addParameters();
for (SetParameterMethodInvocation each : setParameterMethodInvocations) {
updateParameterValues(each, parameters.get(each.getIndex() - 1));
each.invoke(preparedStatement);
}
}
private void addParameters() {
for (int i = setParameterMethodInvocations.size(); i < parameters.size(); i++) {
recordSetParameter("setObject", new Class[]{int.class, Object.class}, i + 1, parameters.get(i));
}
}
private void updateParameterValues(final SetParameterMethodInvocation setParameterMethodInvocation, final Object value) {
if (!Objects.equals(setParameterMethodInvocation.getValue(), value)) {
setParameterMethodInvocation.changeValueArgument(value);
}
}
@Override
public final void clearParameters() throws SQLException {
parameters.clear();
setParameterMethodInvocations.clear();
}
}