Examples with IntKeyHashMap org.hsqldb_voltpatches.lib.IntKeyHashMap used on opensource projects

Example 1 with IntKeyHashMap

use of org.hsqldb_voltpatches.lib.IntKeyHashMap in project voltdb by VoltDB.

the class ScriptRunner method runScript.

/**
     *  This is used to read the *.log file and manage any necessary
     *  transaction rollback.
     */
public static void runScript(Database database, String logFilename, int logType) {
    IntKeyHashMap sessionMap = new IntKeyHashMap();
    Session current = null;
    int currentId = 0;
    database.setReferentialIntegrity(false);
    ScriptReaderBase scr = null;
    String statement;
    int statementType;
    try {
        StopWatch sw = new StopWatch();
        scr = ScriptReaderBase.newScriptReader(database, logFilename, logType);
        while (scr.readLoggedStatement(current)) {
            int sessionId = scr.getSessionNumber();
            if (current == null || currentId != sessionId) {
                currentId = sessionId;
                current = (Session) sessionMap.get(currentId);
                if (current == null) {
                    current = database.getSessionManager().newSession(database, database.getUserManager().getSysUser(), false, true, 0);
                    sessionMap.put(currentId, current);
                }
            }
            if (current.isClosed()) {
                sessionMap.remove(currentId);
                continue;
            }
            Result result = null;
            statementType = scr.getStatementType();
            switch(statementType) {
                case ScriptReaderBase.ANY_STATEMENT:
                    statement = scr.getLoggedStatement();
                    result = current.executeDirectStatement(statement);
                    if (result != null && result.isError()) {
                        if (result.getException() != null) {
                            throw result.getException();
                        }
                        throw Error.error(result);
                    }
                    break;
                case ScriptReaderBase.SEQUENCE_STATEMENT:
                    scr.getCurrentSequence().reset(scr.getSequenceValue());
                    break;
                case ScriptReaderBase.COMMIT_STATEMENT:
                    current.commit(false);
                    break;
                case ScriptReaderBase.INSERT_STATEMENT:
                    {
                        current.beginAction(null);
                        Object[] data = scr.getData();
                        scr.getCurrentTable().insertNoCheckFromLog(current, data);
                        current.endAction(Result.updateOneResult);
                        break;
                    }
                case ScriptReaderBase.DELETE_STATEMENT:
                    {
                        current.beginAction(null);
                        Object[] data = scr.getData();
                        scr.getCurrentTable().deleteNoCheckFromLog(current, data);
                        current.endAction(Result.updateOneResult);
                        break;
                    }
                case ScriptReaderBase.SET_SCHEMA_STATEMENT:
                    {
                        current.setSchema(scr.getCurrentSchema());
                    }
            }
            if (current.isClosed()) {
                sessionMap.remove(currentId);
            }
        }
    } catch (Throwable e) {
        String message;
        // catch out-of-memory errors and terminate
        if (e instanceof EOFException) {
        // end of file - normal end
        } else if (e instanceof OutOfMemoryError) {
            message = "out of memory processing " + logFilename + " line: " + scr.getLineNumber();
            database.logger.appLog.logContext(SimpleLog.LOG_ERROR, message);
            throw Error.error(ErrorCode.OUT_OF_MEMORY);
        } else {
            // stop processing on bad log line
            message = logFilename + " line: " + scr.getLineNumber() + " " + e.toString();
            database.logger.appLog.logContext(SimpleLog.LOG_ERROR, message);
        }
    } finally {
        if (scr != null) {
            scr.close();
        }
        database.getSessionManager().closeAllSessions();
        database.setReferentialIntegrity(true);
    }
}