How to use StatementClassReplacement class of org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes package

Best EvoMaster code snippet using org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.StatementClassReplacement

Source:PreparedStatementClassReplacement.java

...16import java.sql.ResultSet;17import java.sql.SQLException;18import java.util.List;19import java.util.stream.Collectors;20import static org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.StatementClassReplacement.executeSql;21public class PreparedStatementClassReplacement implements MethodReplacementClass {22    @Override23    public Class<?> getTargetClass() {24        return PreparedStatement.class;25    }26    public static String extractSqlFromH2PreparedStatement(PreparedStatement stmt) {27        Class<?> klass = stmt.getClass();28        String className = klass.getName();29        if (!className.equals("org.h2.jdbc.JdbcPreparedStatement")) {30            throw new IllegalArgumentException("Invalid type: " + className);31        }32        try {33            /*34                Quite brittle... but easy to test on new H2 releases35             */36            Field cf = klass.getDeclaredField("command");37            cf.setAccessible(true);38            Object command = cf.get(stmt);39            Class<?> ck = command.getClass();40            if(! ck.getName().endsWith("CommandRemote")){41                /*42                    very brittle.. :(43                    based on the concrete class for the Command (there are 3...)44                    the location of the 'sql' private field is different :(45                 */46                ck = ck.getSuperclass();47            }48            Field sf = ck.getDeclaredField("sql");49            sf.setAccessible(true);50            String sql = (String) sf.get(command);51            Method pm = command.getClass().getDeclaredMethod("getParameters");52            pm.setAccessible(true);53            List<?> pv = (List<?>) pm.invoke(command);54            List<String> params = pv.stream()55                    .map(it -> {56                        try {57                            Method gpvm = it.getClass().getDeclaredMethod("getParamValue");58                            gpvm.setAccessible(true);59                            Object value =  gpvm.invoke(it);60                            if(value.getClass().getName().equals("org.h2.value.ValueLobDb")){61                                //FIXME this gives issues... not sure we can really handle it62                                return "LOB";63                            }64                            return value.toString();65                        } catch (Exception e) {66                            throw new RuntimeException(e);67                        }68                    })69                    .collect(Collectors.toList());70            return interpolateSqlStringWithJSqlParser(sql, params);71        } catch (Exception e) {72            throw new RuntimeException(e);73        }74    }75    // replaced by interpolateSqlStringWithJSqlParser76    @Deprecated77    public static String interpolateSqlString(String sql, List<String> params) {78        long replacements = sql.chars().filter(it -> it=='?').count();79        if(replacements != params.size()){80            SimpleLogger.error("EvoMaster ERROR. Mismatch of parameter count " + replacements+"!="+ params.size()81                    + " in SQL command: " + sql);82            return null;83        }84        for(String p : params){85            sql = sql.replaceFirst("\\?", p);86        }87        return sql;88    }89    /**90     * inspired by this example from https://stackoverflow.com/questions/46890089/how-can-i-purify-a-sql-query-and-replace-all-parameters-with-using-regex91     * @param sql is an original sql command which might contain comments or be dynamic sql with parameters92     * @param params are parameters which exists in the [sql]93     * @return a interpolated sql.94     * note that if the sql could not be handled, we return the original one since such info is still useful for e.g., industrial partner95     *          then we could record the execution info.96     * note that comments could also be removed with this function.97     *98     */99    public static String interpolateSqlStringWithJSqlParser(String sql, List<String> params) {100        StringBuilder sqlbuffer = new StringBuilder();101        try {102            ExpressionDeParser expDeParser = new ExpressionDeParser() {103                @Override104                public void visit(JdbcParameter parameter) {105                    int index = parameter.getIndex();106                    this.getBuffer().append(params.get(index-1));107                }108            };109            SelectDeParser selectDeparser = new SelectDeParser(expDeParser, sqlbuffer);110            expDeParser.setSelectVisitor(selectDeparser);111            expDeParser.setBuffer(sqlbuffer);112            StatementDeParser stmtDeparser = new StatementDeParser(expDeParser, selectDeparser, sqlbuffer);113            Statement stmt = CCJSqlParserUtil.parse(sql);114            stmt.accept(stmtDeparser);115            return stmtDeparser.getBuffer().toString();116        } catch (Exception e) {117            // catch all kinds of exception here since there might exist problems in processing params118            SimpleLogger.error("EvoMaster ERROR. Could not handle "+ sql + " with an error message :"+e.getMessage());119            return sql;120        }121    }122    /**123     *124     * @param stmt a sql statement to be prepared125     * @return a null if skip to handle the stmt126     */127    private static String handlePreparedStatement(PreparedStatement stmt) {128        if (stmt == null) {129            //nothing to do130            return null;131        }132        String fullClassName = stmt.getClass().getName();133        if (fullClassName.startsWith("com.zaxxer.hikari.pool") ||134                fullClassName.startsWith("org.apache.tomcat.jdbc.pool") ||135                fullClassName.startsWith("com.sun.proxy") ||136                checkZebraPreparedStatementWrapper(fullClassName) // zebra137        ) {138            /*139                this is likely a proxy/wrapper, so we can skip it, as anyway we are going to140                intercept the call to the delegate141             */142            return null;143        }144        /*145            This is very tricky, as not supported by all DBs... see for example:146            https://stackoverflow.com/questions/2382532/how-can-i-get-the-sql-of-a-preparedstatement147            So what done here is quite ad-hoc...148            There is no direct way to access the SQL command... but some drivers do print it149            when calling toString.150            Another option would be to intercept all methods to build the query, and reconstruct151            it manually... but it would be a LOT of work.152            Maybe something to consider if we are going to support more DBs in the future...153         */154        String sql = stmt.toString();155        //Postgres print the command as it is156        if (sql.startsWith("com.mysql")) {157            //MySQL prepend the command with the name of class followed by :158            sql = sql.substring(sql.indexOf(":") + 1);159        }160        if (stmt.getClass().getName().equals("org.h2.jdbc.JdbcPreparedStatement")) {161            /*162                Unfortunately H2 does not support it... so we have to extract and163                recompute it manually :(164             */165            sql = extractSqlFromH2PreparedStatement(stmt);166        }167        /*168            all zebra prepared statements should be handled before this line169            (see checkZebraPreparedStatementWrapper).170            here, just check whether there exist any further update in zebra,171            and throw an exception with unsupported type172         */173        if (fullClassName.startsWith("com.dianping.zebra")){174            throw new IllegalArgumentException("unsupported type for zebra: " + fullClassName);175        }176        //TODO see TODO in StatementClassReplacement177//        SqlInfo info = new SqlInfo(sql, false, false);178//        ExecutionTracer.addSqlInfo(info);179        return sql;180    }181    private static boolean checkZebraPreparedStatementWrapper(String className){182        return className.equals("com.dianping.zebra.group.jdbc.GroupPreparedStatement") ||183                className.equals("com.dianping.zebra.shard.jdbc.ShardPreparedStatement") ||184                className.equals("com.dianping.zebra.single.jdbc.SinglePreparedStatement");185    }186    @Replacement(type = ReplacementType.TRACKER, isPure = false, category = ReplacementCategory.SQL)187    public static ResultSet executeQuery(PreparedStatement stmt) throws SQLException {188        String sql = handlePreparedStatement(stmt);189        return executeSql(()-> stmt.executeQuery(), sql);190    }...

Source:ReplacementList.java

...37                    new MethodClassReplacement(),38                    new ObjectClassReplacement(),39                    new ObjectsClassReplacement(),40                    new PatternClassReplacement(),41                    new PreparedStatementClassReplacement(),42                    new StatementClassReplacement(),43                    new StringClassReplacement(),44                    new ShortClassReplacement(),45                    new ServletRequestClassReplacement(),46                    new WebRequestClassReplacement(),47                    new URLClassReplacement()48            );49        }50        return listCache;51    }52    public static List<MethodReplacementClass> getReplacements(String target) {53        Objects.requireNonNull(target);54        final String targetClassName = ClassName.get(target).getFullNameWithDots();55        return getList().stream()56                //.filter(t -> t.isAvailable()) // bad idea to load 3rd classes at this point......

StatementClassReplacement

Using AI Code Generation

1import org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.StatementClassReplacement;2public class StatementClassReplacementTest {3    public static void main(String[] args) {4        StatementClassReplacement s = new StatementClassReplacement();5        s.test();6    }7}8import org.evomaster.client.java.instrumentation.coverage.methodreplacement.interfaces.StatementInterfaceReplacement;9public class StatementInterfaceReplacementTest {10    public static void main(String[] args) {11        StatementInterfaceReplacement s = new StatementInterfaceReplacement();12        s.test();13    }14}15import org.evomaster.client.java.instrumentation.coverage.methodreplacement.interfaces.StatementInterfaceReplacement;16public class StatementInterfaceReplacementTest2 {17    public static void main(String[] args) {18        StatementInterfaceReplacement s = new StatementInterfaceReplacement();19        s.test();20    }21}22import org.evomaster.client.java.instrumentation.coverage.methodreplacement.interfaces.StatementInterfaceReplacement;23public class StatementInterfaceReplacementTest3 {24    public static void main(String[] args) {25        StatementInterfaceReplacement s = new StatementInterfaceReplacement();26        s.test();27    }28}29import org.evomaster.client.java.instrumentation.coverage.methodreplacement.interfaces.StatementInterfaceReplacement;30public class StatementInterfaceReplacementTest4 {31    public static void main(String[] args) {32        StatementInterfaceReplacement s = new StatementInterfaceReplacement();33        s.test();34    }35}36import org.evomaster.client.java.instrumentation.coverage.methodreplacement.interfaces.StatementInterfaceReplacement;37public class StatementInterfaceReplacementTest5 {38    public static void main(String[] args) {39        StatementInterfaceReplacement s = new StatementInterfaceReplacement();40        s.test();41    }42}

StatementClassReplacement

Using AI Code Generation

1public class 2 {2    public static void main(String[] args) {3        StatementClassReplacement statementClassReplacement = new StatementClassReplacement();4        statementClassReplacement.method1();5        statementClassReplacement.method2();6        statementClassReplacement.method3();7        statementClassReplacement.method4();8        statementClassReplacement.method5();9        statementClassReplacement.method6();10        statementClassReplacement.method7();11        statementClassReplacement.method8();12        statementClassReplacement.method9();13        statementClassReplacement.method10();14        statementClassReplacement.method11();15        statementClassReplacement.method12();16        statementClassReplacement.method13();17        statementClassReplacement.method14();18        statementClassReplacement.method15();19        statementClassReplacement.method16();20        statementClassReplacement.method17();21        statementClassReplacement.method18();22        statementClassReplacement.method19();23        statementClassReplacement.method20();24        statementClassReplacement.method21();25        statementClassReplacement.method22();26        statementClassReplacement.method23();27        statementClassReplacement.method24();28        statementClassReplacement.method25();29        statementClassReplacement.method26();30        statementClassReplacement.method27();31        statementClassReplacement.method28();32        statementClassReplacement.method29();33        statementClassReplacement.method30();34        statementClassReplacement.method31();35        statementClassReplacement.method32();36        statementClassReplacement.method33();37        statementClassReplacement.method34();38        statementClassReplacement.method35();39        statementClassReplacement.method36();40        statementClassReplacement.method37();41        statementClassReplacement.method38();42        statementClassReplacement.method39();43        statementClassReplacement.method40();44        statementClassReplacement.method41();45        statementClassReplacement.method42();46        statementClassReplacement.method43();47        statementClassReplacement.method44();48        statementClassReplacement.method45();49        statementClassReplacement.method46();50        statementClassReplacement.method47();51        statementClassReplacement.method48();52        statementClassReplacement.method49();53        statementClassReplacement.method50();54        statementClassReplacement.method51();55        statementClassReplacement.method52();56        statementClassReplacement.method53();57        statementClassReplacement.method54();58        statementClassReplacement.method55();59        statementClassReplacement.method56();60        statementClassReplacement.method57();61        statementClassReplacement.method58();62        statementClassReplacement.method59();63        statementClassReplacement.method60();64        statementClassReplacement.method61();65        statementClassReplacement.method62();66        statementClassReplacement.method63();67        statementClassReplacement.method64();68        statementClassReplacement.method65();69        statementClassReplacement.method66();70        statementClassReplacement.method67();

StatementClassReplacement

Using AI Code Generation

1public class 2 {2    public static void main(String[] args) {3        StatementClassReplacement statementClassReplacement = new StatementClassReplacement();4        statementClassReplacement.method1();5        statementClassReplacement.method2();6        statementClassReplacement.method3();7        statementClassReplacement.method4();8        statementClassReplacement.method5();9        statementClassReplacement.method6();10        statementClassReplacement.method7();11        statementClassReplacement.method8();12        statementClassReplacement.method9();13        statementClassReplacement.method10();14        statementClassReplacement.method11();15        statementClassReplacement.method12();16        statementClassReplacement.method13();17        statementClassReplacement.method14();18        statementClassReplacement.method15();19        statementClassReplacement.method16();20        statementClassReplacement.method17();21        statementClassReplacement.method18();22        statementClassReplacement.method19();23        statementClassReplacement.method20();24        statementClassReplacement.method21();25        statementClassReplacement.method22();26        statementClassReplacement.method23();27        statementClassReplacement.method24();28        statementClassReplacement.method25();29        statementClassReplacement.method26();30        statementClassReplacement.method27();31        statementClassReplacement.method28();32        statementClassReplacement.method29();33        statementClassReplacement.method30();34        statementClassReplacement.method31();35        statementClassReplacement.method32();36        statementClassReplacement.method33();37        statementClassReplacement.method34();38        statementClassReplacement.method35();39        statementClassReplacement.method36();40        statementClassReplacement.method37();41        statementClassReplacement.method38();42        statementClassReplacement.method39();43        statementClassReplacement.method40();44        statementClassReplacement.method41();45        statementClassReplacement.method42();46        statementClassReplacement.method43();47        statementClassReplacement.method44();48        statementClassReplacement.method45();49        statementClassReplacement.method46();50        statementClassReplacement.method47();51        statementClassReplacement.method48();52        statementClassReplacement.method49();53        statementClassReplacement.method50();54        statementClassReplacement.method51();55        statementClassReplacement.method52();56        statementClassReplacement.method53();57        statementClassReplacement.method54();58        statementClassReplacement.method55();59        statementClassReplacement.method56();60        statementClassReplacement.method57();61        statementClassReplacement.method58();62        statementClassReplacement.method59();63        statementClassReplacement.method60();64        statementClassReplacement.method61();65        statementClassReplacement.method62();66        statementClassReplacement.method63();67        statementClassReplacement.method64();68        statementClassReplacement.method65();69        statementClassReplacement.method66();70        statementClassReplacement.method67();

StatementClassReplacement

Using AI Code Generation

1public class 2 {2    public static void main(String[] args) {3        System.out.println("Hello World!");4        StatementClassReplacement s = new StatementClassReplacement();5        s.method1();6        s.method2();7        s.method3();8        s.method4();9        s.method5();10        s.method6();11        s.method7();12        s.method8();13        s.method9();14        s.method10();15        s.method11();16        s.method12();17        s.method13();18        s.method14();19        s.method15();20        s.method16();21        s.method17();22        s.method18();23        s.method19();24        s.method20();25        s.method21();26        s.method22();27        s.method23();28        s.method24();29        s.method25();30        s.method26();31        s.method27();32        s.method28();33        s.method29();34        s.method30();35        s.method31();36        s.method32();37        s.method33();38        s.method34();39        s.method35();40        s.method36();41        s.method37();42        s.method38();43        s.method39();44        s.method40();45        s.method41();46        s.method42();47        s.method43();48        s.method44();49        s.method45();50        s.method46();51        s.method47();52        s.method48();53        s.method49();54        s.method50();55        s.method51();56        s.method52();57        s.method53();58        s.method54();59        s.method55();60        s.method56();61        s.method57();62        s.method58();63        s.method59();64        s.method60();65        s.method61();66        s.method62();67        s.method63();68        s.method64();69        s.method65();70public class StatementClassReplacement {

StatementClassReplacement

Using AI Code Generation

1public class StatementClassReplacement {2    public static int getNumberOfStatements() {3        return 0;4    }5    public static int getNumberOfStatementsExecuted() {6        return 0;7    }8    public static void reset() {9    }10    public static void reset(int id) {11    }12    public static void increase(int id) {13    }14}15public class StatementMethodReplacement {16    public static int getNumberOfStatements() {17        return 0;18    }19    public static int getNumberOfStatementsExecuted() {20        return 0;21    }22    public static void reset() {23    }24    public static void reset(int id) {25    }26    public static void increase(int id) {27    }28}29        s.methowitchClassReplacement class of org.evomaster.client.java.instrumentadion.cover6ge.me7hodreplac();t.classes package30public class Swichnt {31    public static igetNumberOfSwithes() {32        return 0;33    }34    pubic static int getNumberOfSwitchCeExecuted() {35        return 0;36    }37    public static void reset() {38   }39    public static vid reset(int id) {40    }41    public static void increase(int id) {42    }43}44        s.methwitchMethodReplacement {45    public static int getNumberOfSwitches() {46        return 0;47    }48    public static int getNumberOfSwitchCasesExecuted() {49        return 0;50    }51    public static void reset() {52    }53    public static void reset(int id) {54    }55    public static void increase(int id) {56    }57}58public class Terminationement {59    public static void setTermination(int id) {60    }61    public static boolan isTerinatd() {62        retur false;63    }64    public static void rese()65    }66        s.method69(); reset(int id) {67    }68}69        s.method71();70        s.method72();71        s.method73();72        s.method74();73        s.method75();74        s.method76();75        s.method77();76        s.method78();77        s.method79();78        s.method80();79        s.method81();80        s.method82();81        s.method83();82        s.method84();83        s.method85();84        s.method86();85        s.method87();86        s.method88();87        s.method89();88        s.method90();89        s.method91();90        s.method92();

StatementClassReplacement

Using AI Code Generation

1public class StatementClassReplacement {2    public static void replace() throws Exception {3        Class<?> clazz = Class.forName("org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.StatementClassReplacement");4        Class<?> clazz2 = Class.forName("org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.StatementClassReplacement");5        Method method = clazz.getDeclaredMethod("replace");6        Method method2 = clazz2.getDeclaredMethod("replace");7    }8}9public class StatementClassReplacement {10    public static void replace() throws Exception {11        Class<?> clazz = Class.forName("org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.StatementClassReplacement");12        Class<?> clazz2 = Class.forName("org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.StatementClassReplacement");13        Method method = clazz.getDeclaredMethod("replace");14        Method method2 = clazz2.getDeclaredMethod("replace");15    }16}17public class StatementClassReplacement {18    public static void replace() throws Exception {19        Class<?> clazz = Class.forName("org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.StatementClassReplacement");20        Class<?> clazz2 = Class.forName("org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.StatementClassReplacement");21        Method method = clazz.getDeclaredMethod("replace");22        Method method2 = clazz2.getDeclaredMethod("replace");23    }24}25public class StatementClassReplacement {26    public static void replace() throws Exception {27        Class<?> clazz = Class.forName("org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.StatementClassReplacement");28        Class<?> clazz2 = Class.forName("org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.StatementClassReplacement");29        Method method = clazz.getDeclaredMethod("replace");30        Method method2 = clazz2.getDeclaredMethod("replace");31    }32}33public class StatementClassReplacement {

StatementClassReplacement

Using AI Code Generation

1public class StatementClassReplacementTest {2    public void test() throws Exception {3        StatementClassReplacement s = new StatementClassReplacement();4        s.foo();5        s.foo();6        s.foo();7    }8}9public class StatementClassReplacementTest {10    public void test() throws Exception {11        StatementClassReplacement s1 = new StatementClassReplacement();12        s1.foo();13        s1.foo();14        s1.foo();15        StatementClassReplacement s2 = new StatementClassReplacement();16        s2.foo();17        s2.foo();18        s2.foo();19    }20}21public class StatementClassReplacementTest {22    public void test() throws Exception {23        StatementClassReplacement s1 = new StatementClassReplacement();24        s1.foo();25        s1.foo();26        s1.foo();27        StatementClassReplacement s2 = new StatementClassReplacement();28        s2.foo();29        s2.foo();30        s2.foo();31        StatementClassReplacement s3 = new StatementClassReplacement();32        s3.foo();33        s3.foo();34        s3.foo();35    }36}37public class StatementClassReplacementTest {38    public void test() throws Exception {39        StatementClassReplacement s1 = new StatementClassReplacement();40        s1.foo();41        s1.foo();42        s1.foo();43        StatementClassReplacement s2 = new StatementClassReplacement();44        s2.foo();45        s2.foo();46        s2.foo();47        StatementClassReplacement s3 = new StatementClassReplacement();48        s3.foo();49        s3.foo();50        s3.foo();51        StatementClassReplacement s4 = new StatementClassReplacement();52        s4.foo();53        s4.foo();54        s4.foo();55    }56}57public class StatementClassReplacementTest {58    public void test() throws Exception {

StatementClassReplacement

Using AI Code Generation

1public class StatementClassReplacementTest {2    public static void main(String[] args) {3        boolean result = StatementClassReplacement.returnTrue();4        System.out.println(result);5    }6}7public class StatementClassReplacementTest {8    public static void main(String[] args) {9        boolean result = StatementClassReplacement.returnFalse();10        System.out.println(result);11    }12}

StatementClassReplacement

Using AI Code Generation

1public class StatementClassReplacement {2    public static void replace() {3        CoverageTracker.addReplacedClass("java.sql.Statement", StatementClassReplacement.class);4    }5    public void execute(String sql) throws SQLException {6    }7}8public class PreparedStatementClassReplacement {9    public static void replace() {10        CoverageTracker.addReplacedClass("java.sql.PreparedStatement", PreparedStatementClassReplacement.class);11    }12    public void execute(String sql) throws SQLException {13    }14}15public class ResultSetClassReplacement {16    public static void replace() {17        CoverageTracker.addReplacedClass("java.sql.ResultSet", ResultSetClassReplacement.class);18    }19    public boolean next() throws SQLException {20    }21}22public class ConnectionClassReplacement {23    public static void replace() {24        CoverageTracker.addReplacedClass("java.sql.Connection", ConnectionClassReplacement.class);25    }26    public Statement createStatement() throws SQLException {27    }28    public PreparedStatement prepareStatement(String sql) throws SQLException {29    }30    public void close() throws SQLException {31    }32}33public class DatabaseMetaDataClassReplacement {34    public static void replace() {35public class StatementClassReplacementTest {36    public static void main(String[] args) {37        boolean result = StatementClassReplacement.returnTrue();38        System.out.println(result);39    }40}41public class StatementClassReplacementTest {42    public static void main(String[] args) {43        boolean result = StatementClassReplacement.returnFalse();44        System.out.println(result);45    }46}47public class StatementClassReplacementTest {48    public static void main(String[] args) {49        boolean result = StatementClassReplacement.returnTrue();50        System.out.println(result);51    }52}53public class StatementClassReplacementTest {54    public static void main(String[] args) {55        boolean result = StatementClassReplacement.returnFalse();56        System.out.println(result);57    }58}59public class StatementClassReplacementTest {60    public static void main(String[] args) {

StatementClassReplacement

Using AI Code Generation

1public class StatementClassReplacement {2    public static void replace() {3        CoverageTracker.addReplacedClass("java.sql.Statement", StatementClassReplacement.class);4    }5    public void execute(String sql) throws SQLException {6    }7}8public class PreparedStatementClassReplacement {9    public static void replace() {10        CoverageTracker.addReplacedClass("java.sql.PreparedStatement", PreparedStatementClassReplacement.class);11    }12    public void execute(String sql) throws SQLException {13    }14}15public class ResultSetClassReplacement {16    public static void replace() {17        CoverageTracker.addReplacedClass("java.sql.ResultSet", ResultSetClassReplacement.class);18    }19    public boolean next() throws SQLException {20    }21}22public class ConnectionClassReplacement {23    public static void replace() {24        CoverageTracker.addReplacedClass("java.sql.Connection", ConnectionClassReplacement.class);25    }26    public Statement createStatement() throws SQLException {27    }28    public PreparedStatement prepareStatement(String sql) throws SQLException {29    }30    public void close() throws SQLException {31    }32}33public class DatabaseMetaDataClassReplacement {34    public static void replace() {

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