}
System.out.printf("Importing %s keys...%n", keyCountToImport);
parser = getParser(jsonFile); // renewing parser
SSTableWriter writer = new SSTableWriter(ssTablePath, keyCountToImport);
int lineNumber = 1;
DecoratedKey prevStoredKey = null;
while (parser.nextToken() != null)
{
String key = parser.getCurrentName();
if (key != null)
{
String tokenName = parser.nextToken().name();
if (tokenName.equals("START_ARRAY"))
{
if (columnFamily.getType() == ColumnFamilyType.Super)
{
throw new RuntimeException("Can't write Standard columns to the Super Column Family.");
}
List<?> columns = parser.readValueAs(new TypeReference<List<?>>() {});
addToStandardCF(columns, columnFamily);
}
else if (tokenName.equals("START_OBJECT"))
{
if (columnFamily.getType() == ColumnFamilyType.Standard)
{
throw new RuntimeException("Can't write Super columns to the Standard Column Family.");
}
Map<?, ?> columns = parser.readValueAs(new TypeReference<Map<?, ?>>() {});
addToSuperCF(columns, columnFamily);
}
else
{
throw new UnsupportedOperationException("Only Array or Hash allowed as row content.");
}
DecoratedKey currentKey = partitioner.decorateKey(hexToBytes(key));
if (prevStoredKey != null && prevStoredKey.compareTo(currentKey) != -1)
{
System.err.printf("Line %d: Key %s is greater than previous, collection is not sorted properly. Aborting import. You might need to delete SSTables manually.%n", lineNumber, key);
return -1;
}
// saving decorated key
writer.append(currentKey, columnFamily);
columnFamily.clear();
prevStoredKey = currentKey;
importedKeys++;
lineNumber++;
long current = System.currentTimeMillis();
if (current - start >= 5000) // 5 secs.
{
System.out.printf("Currently imported %d keys.%n", importedKeys);
start = current;
}
if (keyCountToImport == importedKeys)
break;
}
}
writer.closeAndOpenReader();
return importedKeys;
}