Package java.util

Examples of java.util.Random$RandomDoublesSpliterator

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
        Connection conn;
        conn = getConnection("lob");
        Statement stat = conn.createStatement();
        stat.execute("create table test(id int primary key, data blob)");
        PreparedStatement prep;
        Random random = new Random();
        byte[] buff = new byte[500000];
        for (int i = 0; i < 10; i++) {
            prep = conn.prepareStatement("insert into test values(?, ?)");
            prep.setInt(1, i);
            random.setSeed(i);
            random.nextBytes(buff);
            prep.setBinaryStream(2, new ByteArrayInputStream(buff), -1);
            prep.execute();
        }
        if (upgraded) {
            if (config.memory) {
                stat.execute("update information_schema.lob_map set pos=null");
            } else {
                stat.execute("alter table information_schema.lob_map drop column pos");
                conn.close();
                conn = getConnection("lob");
            }
        }
        prep = conn.prepareStatement("select * from test where id = ?");
        for (int i = 0; i < 1; i++) {
            random.setSeed(i);
            random.nextBytes(buff);
            for (int j = 0; j < buff.length; j += 10000) {
                prep.setInt(1, i);
                ResultSet rs = prep.executeQuery();
                rs.next();
                InputStream in = rs.getBinaryStream(2);
View Full Code Here
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
    private void testLobTransactions(int spaceLen) throws SQLException {
        deleteDb("lob");
        Connection conn = reconnect(null);
        conn.createStatement().execute("CREATE TABLE TEST(ID IDENTITY, DATA CLOB, DATA2 VARCHAR)");
        conn.setAutoCommit(false);
        Random random = new Random(0);
        int rows = 0;
        Savepoint sp = null;
        int len = getSize(100, 400);
        for (int i = 0; i < len; i++) {
            switch (random.nextInt(10)) {
            case 0:
                trace("insert");
                conn.createStatement().execute(
                        "INSERT INTO TEST(DATA, DATA2) VALUES('" + i + "' || SPACE(" + spaceLen + "), '" + i + "')");
                rows++;
                break;
            case 1:
                if (rows > 0) {
                    trace("delete");
                    conn.createStatement().execute("DELETE FROM TEST WHERE ID=" + random.nextInt(rows));
                }
                break;
            case 2:
                if (rows > 0) {
                    trace("update");
                    conn.createStatement().execute(
                            "UPDATE TEST SET DATA='x' || DATA, DATA2='x' || DATA2 WHERE ID=" + random.nextInt(rows));
                }
                break;
            case 3:
                if (rows > 0) {
                    trace("commit");
View Full Code Here
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
    private static Reader getRandomReader(int len, int seed) {
        return new CharArrayReader(getRandomChars(len, seed));
    }

    private static char[] getRandomChars(int len, int seed) {
        Random random = new Random(seed);
        char[] buff = new char[len];
        for (int i = 0; i < len; i++) {
            char ch;
            do {
                ch = (char) random.nextInt(Character.MAX_VALUE);
                // UTF8: String.getBytes("UTF-8") only returns 1 byte for
                // 0xd800-0xdfff
            } while (ch >= 0xd800 && ch <= 0xdfff);
            buff[i] = ch;
        }
View Full Code Here
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
        }
        return buff;
    }

    private static InputStream getRandomStream(int len, int seed) {
        Random random = new Random(seed);
        byte[] buff = new byte[len];
        random.nextBytes(buff);
        return new ByteArrayInputStream(buff);
    }
View Full Code Here
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
            stat.execute("CREATE TABLE TEST(ID IDENTITY, NAME VARCHAR)");
            stat.execute("CREATE TABLE TEST2(ID IDENTITY, NAME VARCHAR)");
            stat.execute("CREATE TABLE TEST_META(ID INT)");
            PreparedStatement prep = conn.prepareStatement("INSERT INTO TEST(NAME) VALUES(?)");
            PreparedStatement prep2 = conn.prepareStatement("INSERT INTO TEST2(NAME) VALUES(?)");
            Random r = new Random(0);
//            Runnable stopper = new Runnable() {
//                public void run() {
//                    try {
//                        Thread.sleep(500);
//                    } catch (InterruptedException e) {
//                    }
//                    System.out.println("#Halt...");
//                    Runtime.getRuntime().halt(0);
//                }
//            };
//            new Thread(stopper).start();
            for (int i = 0; i < 2000; i++) {
                if (i == 100) {
                    System.out.println("#Running...");
                }
                if (r.nextInt(100) < 10) {
                    conn.createStatement().execute("ALTER TABLE TEST_META ALTER COLUMN ID INT DEFAULT 10");
                }
                if (r.nextBoolean()) {
                    if (r.nextBoolean()) {
                        prep.setString(1, new String(new char[r.nextInt(30) * 10]));
                        prep.execute();
                    } else {
                        prep2.setString(1, new String(new char[r.nextInt(30) * 10]));
                        prep2.execute();
                    }
                } else {
                    if (r.nextBoolean()) {
                        conn.createStatement().execute("UPDATE TEST SET NAME = NULL");
                    } else {
                        conn.createStatement().execute("UPDATE TEST2 SET NAME = NULL");
                    }
                }
View Full Code Here
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
        Statement stat = conn.createStatement();
        int tableCount = getSize(2, 5);
        for (int i = 0; i < tableCount; i++) {
            stat.execute("create table t" + i + "(data varchar)");
        }
        Random random = new Random(1);
        int len = getSize(50, 500);
        for (int i = 0; i < len; i++) {
            String table = "t" + random.nextInt(tableCount);
            String sql;
            if (random.nextBoolean()) {
                sql = "insert into " + table + " values(space(100000))";
            } else {
                sql = "delete from " + table;
            }
            stat.execute(sql);
View Full Code Here
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
        // Unicode problem:
        // The UCS code values 0xd800-0xdfff (UTF-16 surrogates)
        // as well as 0xfffe and 0xffff (UCS non-characters)
        // should not appear in conforming UTF-8 streams.
        // (String.getBytes("UTF-8") only returns 1 byte for 0xd800-0xdfff)
        Random random = new Random();
        random.setSeed(1);
        for (int i = 0; i < len; i++) {
            char c;
            do {
                c = (char) random.nextInt();
            } while (c >= 0xd800 && c <= 0xdfff);
            buff[i] = c;
        }
        String big = new String(buff);
        prep.setInt(1, 1);
View Full Code Here
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
                "-cp", getClassPath(),
                getClass().getName(), "-url", url, "-user", user,
                "-password", password };
        deleteDb("killRestartMulti");
        int len = getSize(3, 10);
        Random random = new Random();
        for (int i = 0; i < len; i++) {
            Process p = Runtime.getRuntime().exec(procDef);
            InputStream in = p.getInputStream();
            OutputCatcher catcher = new OutputCatcher(in);
            catcher.start();
            while (true) {
                String s = catcher.readLine(5 * 60 * 1000);
                // System.out.println("> " + s);
                if (s == null) {
                    fail("No reply from process");
                } else if (!s.startsWith("#")) {
                    // System.out.println(s);
                    fail("Expected: #..., got: " + s);
                } else if (s.startsWith("#Running")) {
                    int sleep = 10 + random.nextInt(100);
                    Thread.sleep(sleep);
                    printTime("killing: " + i);
                    p.destroy();
                    p.waitFor();
                    break;
View Full Code Here
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
            }
        }
        System.out.println("#Started; driver: " + driver + " url: " + url + " user: " + user + " password: " + password);
        try {
            System.out.println("#Starting...");
            Random random = new Random();
            boolean wasRunning = false;
            for (int i = 0; i < 3000; i++) {
                if (i > 1000 && connections.size() > 1 && tables.size() > 1) {
                    System.out.println("#Running connections: " + connections.size() + " tables: " + tables.size());
                    wasRunning = true;
                }
                if (connections.size() < 1) {
                    openConnection();
                }
                if (tables.size() < 1) {
                    createTable(random);
                }
                int p = random.nextInt(100);
                if ((p -= 2) <= 0) {
                    // 2%: open new connection
                    if (connections.size() < 5) {
                        openConnection();
                    }
                } else if ((p -= 1) <= 0) {
                    // 1%: close connection
                    if (connections.size() > 1) {
                        Connection conn = connections.remove(random.nextInt(connections.size()));
                        if (random.nextBoolean()) {
                            conn.close();
                        }
                    }
                } else if ((p -= 10) <= 0) {
                    // 10% create table
                    createTable(random);
                } else if ((p -= 20) <= 0) {
                    // 20% large insert, delete, or update
                    if (tables.size() > 0) {
                        Connection conn = connections.get(random.nextInt(connections.size()));
                        Statement stat = conn.createStatement();
                        String table = tables.get(random.nextInt(tables.size()));
                        if (random.nextBoolean()) {
                            // 10% insert
                            stat.execute("INSERT INTO " + table + "(NAME) SELECT 'Hello ' || X FROM SYSTEM_RANGE(0, 20)");
                        } else if (random.nextBoolean()) {
                            // 5% update
                            stat.execute("UPDATE " + table + " SET NAME='Hallo Welt'");
                        } else {
                            // 5% delete
                            stat.execute("DELETE FROM " + table);
                        }
                    }
                } else if ((p -= 5) < 0) {
                    // 5% truncate or drop table
                    if (tables.size() > 0) {
                        Connection conn = connections.get(random.nextInt(connections.size()));
                        Statement stat = conn.createStatement();
                        String table = tables.get(random.nextInt(tables.size()));
                        if (random.nextBoolean()) {
                            stat.execute("TRUNCATE TABLE " + table);
                        } else {
                            stat.execute("DROP TABLE " + table);
                            System.out.println("#Info table dropped: " + table);
                            tables.remove(table);
                        }
                    }
                } else if ((p -= 30) <= 0) {
                    // 30% insert
                    if (tables.size() > 0) {
                        Connection conn = connections.get(random.nextInt(connections.size()));
                        Statement stat = conn.createStatement();
                        String table = tables.get(random.nextInt(tables.size()));
                        stat.execute("INSERT INTO " + table + "(NAME) VALUES('Hello World')");
                    }
                } else {
                    // 32% delete
                    if (tables.size() > 0) {
                        Connection conn = connections.get(random.nextInt(connections.size()));
                        Statement stat = conn.createStatement();
                        String table = tables.get(random.nextInt(tables.size()));
                        stat.execute("DELETE FROM " + table + " WHERE ID = SELECT MIN(ID) FROM " + table);
                    }
                }
            }
            System.out.println("#Fail: end " + wasRunning);
View Full Code Here
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
                "select a from test1 where b =1 or b =2 and b not in(2))) or c <>a) " +
                "and c in(0, 10) and c in(10, 0, 0) order by 1, 2, 3");
        p.set(1);
        p.execute();

        Random seedGenerator = new Random();
        String[] columns = new String[] { "a", "b", "c" };
        String[] values = new String[] { null, "0", "0", "1", "2", "10", "a", "?" };
        String[] compares = new String[] { "in(", "not in(", "=", "=", ">",
                "<", ">=", "<=", "<>", "in(select", "not in(select" };
        int size = getSize(100, 1000);
        for (int i = 0; i < size; i++) {
            long seed = seedGenerator.nextLong();
            println("seed: " + seed);
            Random random = new Random(seed);
            ArrayList<String> params = New.arrayList();
            String condition = getRandomCondition(random, params, columns, compares, values);
            //   System.out.println(condition + " " + params);
            PreparedStatement prep0 = conn.prepareStatement(
                    "select * from test0 where " + condition
                    + " order by 1, 2, 3");
            PreparedStatement prep1 = conn.prepareStatement(
                    "select * from test1 where " + condition
                    + " order by 1, 2, 3");
            for (int j = 0; j < params.size(); j++) {
                prep0.setString(j + 1, params.get(j));
                prep1.setString(j + 1, params.get(j));
            }
            ResultSet rs0 = prep0.executeQuery();
            ResultSet rs1 = prep1.executeQuery();
            assertEquals("seed: " + seed + " " + condition, rs0, rs1);
            if (params.size() > 0) {
                for (int j = 0; j < params.size(); j++) {
                    String value = values[random.nextInt(values.length - 2)];
                    params.set(j, value);
                    prep0.setString(j + 1, value);
                    prep1.setString(j + 1, value);
                }
                assertEquals("seed: " + seed + " " + condition, rs0, rs1);
View Full Code Here
TOP

Related Classes of java.util.Random$RandomDoublesSpliterator

  • cc.mallet.fst.CRFTrainerByLabelLikelihood
  • cc.mallet.fst.tests.TestCRF
  • cc.mallet.grmm.test.TestInference
  • cc.mallet.grmm.test.TestRandomGraphs
  • ch.akuhn.util.Get
  • com.bericotech.clavin.util.DamerauLevenshteinTest
  • com.browseengine.bobo.util.test.MutableSparseFloatArrayTest
  • com.codetutr.service.PersonServiceImpl
  • com.esotericsoftware.kryo.InputOutputTest
  • com.esotericsoftware.kryo.UnsafeInputOutputTest
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.