Examples with DBMetadata com.srotya.sidewinder.core.storage.DBMetadata used on opensource projects

Example 11 with DBMetadata

use of com.srotya.sidewinder.core.storage.DBMetadata in project sidewinder by srotya.

the class DiskStorageEngine method loadDatabases.

protected void loadDatabases() throws IOException {
    for (String dataDir : dataDirs) {
        File mdDir = new File(dataDir);
        if (!mdDir.exists()) {
            return;
        }
        File[] dbs = mdDir.listFiles();
        for (File db : dbs) {
            if (!db.isDirectory()) {
                continue;
            }
            Map<String, Measurement> measurementMap = new ConcurrentHashMap<>();
            String dbName = db.getName();
            databaseMap.put(dbName, measurementMap);
            DBMetadata metadata = readMetadata(dbName);
            dbMetadataMap.put(dbName, metadata);
            logger.info("Loading database:" + dbName);
            loadMeasurements(dbName, measurementMap, metadata);
        }
    }
}

Example 12 with DBMetadata

use of com.srotya.sidewinder.core.storage.DBMetadata in project sidewinder by srotya.

the class DiskStorageEngine method getOrCreateDatabase.

@Override
public Map<String, Measurement> getOrCreateDatabase(String dbName) throws IOException {
    Map<String, Measurement> measurementMap = databaseMap.get(dbName);
    if (measurementMap == null) {
        synchronized (databaseMap) {
            if ((measurementMap = databaseMap.get(dbName)) == null) {
                measurementMap = new ConcurrentHashMap<>();
                databaseMap.put(dbName, measurementMap);
                createDatabaseDirectory(dbName);
                DBMetadata metadata = new DBMetadata();
                metadata.setRetentionHours(defaultRetentionHours);
                dbMetadataMap.put(dbName, metadata);
                saveDBMetadata(dbName, metadata);
                logger.info("Created new database:" + dbName + "\t with retention period:" + defaultRetentionHours + " hours");
                metricsDbCounter.inc();
            }
        }
    }
    return measurementMap;
}

Example 13 with DBMetadata

use of com.srotya.sidewinder.core.storage.DBMetadata in project sidewinder by srotya.

the class MemStorageEngine method getOrCreateDatabase.

@Override
public Map<String, Measurement> getOrCreateDatabase(String dbName) {
    Map<String, Measurement> measurementMap = databaseMap.get(dbName);
    if (measurementMap == null) {
        synchronized (databaseMap) {
            if ((measurementMap = databaseMap.get(dbName)) == null) {
                measurementMap = new ConcurrentHashMap<>();
                databaseMap.put(dbName, measurementMap);
                DBMetadata metadata = new DBMetadata();
                metadata.setRetentionHours(defaultRetentionHours);
                dbMetadataMap.put(dbName, metadata);
                logger.info("Created new database:" + dbName + "\t with retention period:" + defaultRetentionHours + " hours");
                metricsDbCounter.inc();
            }
        }
    }
    return measurementMap;
}