Examples with TerracottaNotRunningException net.sf.ehcache.terracotta.TerracottaNotRunningException used on opensource projects

Example 1 with TerracottaNotRunningException

use of net.sf.ehcache.terracotta.TerracottaNotRunningException in project JMPjct by MPjct.

the class Eh method read_query.

@SuppressWarnings("unchecked")
public void read_query(Engine context) {
    if (Eh.cache == null)
        return;
    String query = context.query;
    String command = "";
    String value = "";
    // Reset all values on a new query
    this.TTL = 0;
    this.key = "";
    if (!query.startsWith("/* "))
        return;
    // Extract out the command
    command = query.substring(3, query.indexOf("*/")).trim();
    if (command.indexOf(":") != -1) {
        value = command.substring(command.indexOf(":") + 1).trim();
        command = command.substring(0, command.indexOf(":")).trim();
    }
    query = query.substring(query.indexOf("*/") + 2).trim();
    this.key = context.schema + ":" + query;
    this.logger.info("Cache Key: '" + this.key + "'");
    this.logger.trace("Command: '" + command + "'" + " value: '" + value + "'");
    if (command.equalsIgnoreCase("CACHE")) {
        this.logger.trace("CACHE");
        this.TTL = Integer.parseInt(value);
        context.buffer_result_set();
        Eh.cache.acquireWriteLockOnKey(this.key);
        Element element = Eh.cache.get(this.key);
        if (element != null) {
            this.logger.trace("Cache Hit!");
            Eh.cache.releaseWriteLockOnKey(this.key);
            context.clear_buffer();
            context.buffer = (ArrayList<byte[]>) element.getValue();
            context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
            if (context.buffer.size() == 0) {
                ERR err = new ERR();
                err.sequenceId = context.sequenceId + 1;
                err.errorCode = 1032;
                err.sqlState = "HY000";
                err.errorMessage = "Can't find record in ehcache";
                context.clear_buffer();
                context.buffer.add(err.toPacket());
                context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
                this.logger.fatal("Cache hit but invalid result!");
            }
        }
    } else if (command.equalsIgnoreCase("FLUSH")) {
        this.logger.trace("FLUSH");
        OK ok = new OK();
        boolean removed = Eh.cache.remove(this.key);
        if (removed)
            ok.affectedRows = 1;
        ok.sequenceId = context.sequenceId + 1;
        context.clear_buffer();
        context.buffer.add(ok.toPacket());
        context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
    } else if (command.equalsIgnoreCase("FLUSHALL")) {
        this.logger.trace("FLUSHALL");
        OK ok = new OK();
        Eh.cache.removeAll();
        ok.sequenceId = context.sequenceId + 1;
        context.clear_buffer();
        context.buffer.add(ok.toPacket());
        context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
    } else if (command.equalsIgnoreCase("REFRESH")) {
        this.logger.trace("REFRESH");
        Eh.cache.remove(this.key);
        this.TTL = Integer.parseInt(value);
        context.buffer_result_set();
    } else if (command.equalsIgnoreCase("STATS")) {
        this.logger.trace("STATS");
        ResultSet rs = new ResultSet();
        Row row = null;
        rs.addColumn(new Column("Key"));
        rs.addColumn(new Column("Value"));
        Statistics stats = Eh.cache.getStatistics();
        rs.addRow(new Row("AverageGetTime", stats.getAverageGetTime()));
        rs.addRow(new Row("AverageSearchTime", stats.getAverageSearchTime()));
        rs.addRow(new Row("ObjectCount", stats.getObjectCount()));
        rs.addRow(new Row("MemoryStoreObjectCount", stats.getMemoryStoreObjectCount()));
        rs.addRow(new Row("OffHeapStoreObjectCount", stats.getOffHeapStoreObjectCount()));
        rs.addRow(new Row("DiskStoreObjectCount", stats.getDiskStoreObjectCount()));
        rs.addRow(new Row("CacheHits", stats.getCacheHits()));
        rs.addRow(new Row("CacheMisses", stats.getCacheMisses()));
        rs.addRow(new Row("InMemoryHits", stats.getInMemoryHits()));
        rs.addRow(new Row("InMemoryMisses", stats.getInMemoryMisses()));
        rs.addRow(new Row("OffHeapHits", stats.getOffHeapHits()));
        rs.addRow(new Row("OffHeapMisses", stats.getOffHeapMisses()));
        rs.addRow(new Row("OnDiskHits", stats.getOnDiskHits()));
        rs.addRow(new Row("OnDiskMisses", stats.getOnDiskMisses()));
        rs.addRow(new Row("EvictionCount", stats.getEvictionCount()));
        rs.addRow(new Row("SearchesPerSecond", stats.getSearchesPerSecond()));
        rs.addRow(new Row("WriterQueueSize", stats.getWriterQueueSize()));
        context.clear_buffer();
        context.buffer = rs.toPackets();
        context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
    } else if (command.equalsIgnoreCase("INFO")) {
        this.logger.trace("INFO");
        ResultSet rs = new ResultSet();
        Row row = null;
        rs.addColumn(new Column("Key"));
        rs.addColumn(new Column("Value"));
        rs.addRow(new Row("getGuid", Eh.cache.getGuid()));
        rs.addRow(new Row("getName", Eh.cache.getName()));
        rs.addRow(new Row("getStatus", Eh.cache.getStatus().toString()));
        rs.addRow(new Row("isDisabled", Eh.cache.isDisabled()));
        rs.addRow(new Row("isSearchable", Eh.cache.isSearchable()));
        try {
            rs.addRow(new Row("isNodeBulkLoadEnabled", Eh.cache.isNodeBulkLoadEnabled()));
            rs.addRow(new Row("isClusterBulkLoadEnabled", Eh.cache.isClusterBulkLoadEnabled()));
        } catch (UnsupportedOperationException e) {
        } catch (TerracottaNotRunningException e) {
        }
        rs.addRow(new Row("isStatisticsEnabled", Eh.cache.isStatisticsEnabled()));
        rs.addRow(new Row("isSampledStatisticsEnabled", Eh.cache.isSampledStatisticsEnabled()));
        switch(Eh.cache.getStatisticsAccuracy()) {
            case Statistics.STATISTICS_ACCURACY_BEST_EFFORT:
                rs.addRow(new Row("getStatisticsAccuracy", "STATISTICS_ACCURACY_BEST_EFFORT"));
                break;
            case Statistics.STATISTICS_ACCURACY_GUARANTEED:
                rs.addRow(new Row("getStatisticsAccuracy", "STATISTICS_ACCURACY_GUARANTEED"));
                break;
            case Statistics.STATISTICS_ACCURACY_NONE:
                rs.addRow(new Row("getStatisticsAccuracy", "STATISTICS_ACCURACY_NONE"));
                break;
            default:
                rs.addRow(new Row("getStatisticsAccuracy", "STATISTICS_ACCURACY_UNKNOWN"));
                break;
        }
        rs.addRow(new Row("hasAbortedSizeOf", Eh.cache.hasAbortedSizeOf()));
        context.clear_buffer();
        context.buffer = rs.toPackets();
        context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
    } else if (command.equalsIgnoreCase("DUMP KEYS")) {
        this.logger.trace("DUMP KEYS");
        List keys = this.cache.getKeysWithExpiryCheck();
        ResultSet rs = new ResultSet();
        rs.addColumn(new Column("Key"));
        for (Object k : keys) {
            this.logger.trace("Key: '" + k + "'");
            rs.addRow(new Row(k.toString()));
        }
        context.clear_buffer();
        context.buffer = rs.toPackets();
        context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
    } else {
        this.logger.trace("FAIL");
        ERR err = new ERR();
        err.sequenceId = context.sequenceId + 1;
        err.errorCode = 1047;
        err.sqlState = "08S01";
        err.errorMessage = "Unknown command '" + command + "'";
        context.clear_buffer();
        context.buffer.add(err.toPacket());
        context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
        this.logger.fatal(command + " is unknown!");
    }
}