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
|
/*
* Copyright 2011 James Moger.
*
* 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.
*/
package com.iciql.util;
import java.text.DecimalFormat;
import java.text.MessageFormat;
import java.util.Set;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.atomic.AtomicLong;
import com.iciql.IciqlException;
/**
* Utility class to optionally log generated statements to IciqlListeners.<br>
* Statement logging is disabled by default.
* <p>
* This class also tracks the counts for generated statements by major type.
*
*/
public class IciqlLogger {
/**
* Enumeration of the different statement types that are logged.
*/
public enum StatementType {
STAT, TOTAL, CREATE, INSERT, UPDATE, MERGE, DELETE, SELECT, DROP, WARN;
}
/**
* Interface that defines an iciql listener.
*/
public interface IciqlListener {
void logIciql(StatementType type, String statement);
}
private static final ExecutorService EXEC = Executors.newSingleThreadExecutor();
private static final Set<IciqlListener> LISTENERS = Utils.newHashSet();
private static final IciqlListener CONSOLE = new IciqlListener() {
@Override
public void logIciql(StatementType type, String message) {
System.out.println(message);
}
};
private static final AtomicLong SELECT_COUNT = new AtomicLong();
private static final AtomicLong CREATE_COUNT = new AtomicLong();
private static final AtomicLong INSERT_COUNT = new AtomicLong();
private static final AtomicLong UPDATE_COUNT = new AtomicLong();
private static final AtomicLong MERGE_COUNT = new AtomicLong();
private static final AtomicLong DELETE_COUNT = new AtomicLong();
private static final AtomicLong DROP_COUNT = new AtomicLong();
private static final AtomicLong WARN_COUNT = new AtomicLong();
/**
* Activates the Console Logger.
*/
public static void activateConsoleLogger() {
registerListener(CONSOLE);
}
/**
* Deactivates the Console Logger.
*/
public static void deactivateConsoleLogger() {
unregisterListener(CONSOLE);
}
/**
* Registers a listener with the relay.
*
* @param listener
*/
public static void registerListener(IciqlListener listener) {
LISTENERS.add(listener);
}
/**
* Unregisters a listener with the relay.
*
* @param listener
*/
public static void unregisterListener(IciqlListener listener) {
if (!LISTENERS.remove(listener)) {
throw new IciqlException("Failed to remove iciql listener {0}", listener);
}
}
public static void create(String statement) {
CREATE_COUNT.incrementAndGet();
logStatement(StatementType.CREATE, statement);
}
public static void insert(String statement) {
INSERT_COUNT.incrementAndGet();
logStatement(StatementType.INSERT, statement);
}
public static void update(String statement) {
UPDATE_COUNT.incrementAndGet();
logStatement(StatementType.UPDATE, statement);
}
public static void merge(String statement) {
MERGE_COUNT.incrementAndGet();
logStatement(StatementType.MERGE, statement);
}
public static void delete(String statement) {
DELETE_COUNT.incrementAndGet();
logStatement(StatementType.DELETE, statement);
}
public static void select(String statement) {
SELECT_COUNT.incrementAndGet();
logStatement(StatementType.SELECT, statement);
}
public static void drop(String statement) {
DROP_COUNT.incrementAndGet();
logStatement(StatementType.DROP, statement);
}
public static void warn(String message, Object... args) {
WARN_COUNT.incrementAndGet();
logStatement(StatementType.WARN, args.length > 0 ? MessageFormat.format(message, args) : message);
}
private static void logStatement(final StatementType type, final String statement) {
for (final IciqlListener listener : LISTENERS) {
EXEC.execute(new Runnable() {
public void run() {
listener.logIciql(type, statement);
}
});
}
}
public static long getCreateCount() {
return CREATE_COUNT.longValue();
}
public static long getInsertCount() {
return INSERT_COUNT.longValue();
}
public static long getUpdateCount() {
return UPDATE_COUNT.longValue();
}
public static long getMergeCount() {
return MERGE_COUNT.longValue();
}
public static long getDeleteCount() {
return DELETE_COUNT.longValue();
}
public static long getSelectCount() {
return SELECT_COUNT.longValue();
}
public static long getDropCount() {
return DROP_COUNT.longValue();
}
public static long getWarnCount() {
return WARN_COUNT.longValue();
}
public static long getTotalCount() {
return getCreateCount() + getInsertCount() + getUpdateCount() + getDeleteCount() + getMergeCount()
+ getSelectCount() + getDropCount();
}
public static void logStats() {
logStatement(StatementType.STAT, "iciql Runtime Statistics");
logStatement(StatementType.STAT, "========================");
logStat(StatementType.WARN, getWarnCount());
logStatement(StatementType.STAT, "========================");
logStat(StatementType.CREATE, getCreateCount());
logStat(StatementType.INSERT, getInsertCount());
logStat(StatementType.UPDATE, getUpdateCount());
logStat(StatementType.MERGE, getMergeCount());
logStat(StatementType.DELETE, getDeleteCount());
logStat(StatementType.SELECT, getSelectCount());
logStat(StatementType.DROP, getDropCount());
logStatement(StatementType.STAT, "========================");
logStat(StatementType.TOTAL, getTotalCount());
}
private static void logStat(StatementType type, long value) {
if (value > 0) {
DecimalFormat df = new DecimalFormat("###,###,###,###");
logStatement(StatementType.STAT,
StringUtils.pad(type.name(), 6, " ", true) + " = " + df.format(value));
}
}
}
|
