/**
* Writes out a bunch of mutations for a single column family.
*
* @param mutations A group of Mutations for the same keyspace and column family.
* @return The ColumnFamilyStore that was used.
*/
public static ColumnFamilyStore writeColumnFamily(List<Mutation> mutations) {
IMutation first = mutations.get(0);
String keyspaceName = first.getKeyspaceName();
UUID cfid = first.getColumnFamilyIds().iterator().next();
for (Mutation rm : mutations) rm.applyUnsafe();
ColumnFamilyStore store = Keyspace.open(keyspaceName).getColumnFamilyStore(cfid);
store.forceBlockingFlush();
return store;
}
public static ColumnFamily getColumnFamily(Keyspace keyspace, DecoratedKey key, String cfName) {
ColumnFamilyStore cfStore = keyspace.getColumnFamilyStore(cfName);
assert cfStore != null : "Table " + cfName + " has not been defined";
return cfStore.getColumnFamily(
QueryFilter.getIdentityFilter(key, cfName, System.currentTimeMillis()));
}