Exemple #1
0
 KSMetaData(
     String name,
     Class<? extends AbstractReplicationStrategy> strategyClass,
     Map<String, String> strategyOptions,
     boolean durableWrites,
     Iterable<CFMetaData> cfDefs) {
   this.name = name;
   this.strategyClass = strategyClass == null ? NetworkTopologyStrategy.class : strategyClass;
   this.strategyOptions = strategyOptions;
   Map<String, CFMetaData> cfmap = new HashMap<String, CFMetaData>();
   for (CFMetaData cfm : cfDefs) cfmap.put(cfm.cfName, cfm);
   this.cfMetaData = Collections.unmodifiableMap(cfmap);
   this.durableWrites = durableWrites;
 }
Exemple #2
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  /**
   * Deserialize ColumnFamilies from low-level schema representation, all of them belong to the same
   * keyspace
   *
   * @param row
   * @return map containing name of the ColumnFamily and it's metadata for faster lookup
   */
  public static Map<String, CFMetaData> deserializeColumnFamilies(Row row) {
    if (row.cf == null) return Collections.emptyMap();

    Map<String, CFMetaData> cfms = new HashMap<String, CFMetaData>();
    UntypedResultSet results =
        QueryProcessor.resultify("SELECT * FROM system.schema_columnfamilies", row);
    for (UntypedResultSet.Row result : results) {
      CFMetaData cfm = CFMetaData.fromSchema(result);
      cfms.put(cfm.cfName, cfm);
    }

    for (CFMetaData cfm : cfms.values()) {
      Row columnRow = ColumnDefinition.readSchema(cfm.ksName, cfm.cfName);
      for (ColumnDefinition cd : ColumnDefinition.fromSchema(columnRow, cfm))
        cfm.column_metadata.put(cd.name, cd);
    }

    return cfms;
  }
Exemple #3
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 public static Map<String, String> optsWithRF(final Integer rf) {
   Map<String, String> ret = new HashMap<String, String>();
   ret.put("replication_factor", rf.toString());
   return ret;
 }