// For new user created keyspaces (through CQL)
public static KSMetaData newKeyspace(
String name, String strategyName, Map<String, String> options) throws ConfigurationException {
Class<? extends AbstractReplicationStrategy> cls =
AbstractReplicationStrategy.getClass(strategyName);
if (cls.equals(LocalStrategy.class))
throw new ConfigurationException(
"Unable to use given strategy class: LocalStrategy is reserved for internal use.");
return new KSMetaData(name, cls, options, true, Collections.<CFMetaData>emptyList());
}
public static void expectException(Callable<?> callable, Class<?> exception) {
boolean thrown = false;
try {
callable.call();
} catch (Throwable e) {
assert e.getClass().equals(exception)
: e.getClass().getName() + " is not " + exception.getName();
thrown = true;
}
assert thrown : exception.getName() + " not received";
}
public static KSMetaData fromThrift(KsDef ksd, CFMetaData... cfDefs)
throws ConfigurationException {
Class<? extends AbstractReplicationStrategy> cls =
AbstractReplicationStrategy.getClass(ksd.strategy_class);
if (cls.equals(LocalStrategy.class))
throw new ConfigurationException(
"Unable to use given strategy class: LocalStrategy is reserved for internal use.");
return new KSMetaData(
ksd.name,
cls,
ksd.strategy_options == null
? Collections.<String, String>emptyMap()
: ksd.strategy_options,
ksd.durable_writes,
Arrays.asList(cfDefs));
}
public KsDef toThrift() {
List<CfDef> cfDefs = new ArrayList<CfDef>();
for (CFMetaData cfm : cfMetaData().values()) cfDefs.add(cfm.toThrift());
KsDef ksdef = new KsDef(name, strategyClass.getName(), cfDefs);
ksdef.setStrategy_options(strategyOptions);
ksdef.setDurable_writes(durableWrites);
return ksdef;
}
public RowMutation toSchema(long timestamp) {
RowMutation rm = new RowMutation(Table.SYSTEM_TABLE, SystemTable.getSchemaKSKey(name));
ColumnFamily cf = rm.addOrGet(SystemTable.SCHEMA_KEYSPACES_CF);
cf.addColumn(Column.create(name, timestamp, "name"));
cf.addColumn(Column.create(durableWrites, timestamp, "durable_writes"));
cf.addColumn(Column.create(strategyClass.getName(), timestamp, "strategy_class"));
cf.addColumn(Column.create(json(strategyOptions), timestamp, "strategy_options"));
for (CFMetaData cfm : cfMetaData.values()) cfm.toSchema(rm, timestamp);
return rm;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(name)
.append(", rep strategy:")
.append(strategyClass.getSimpleName())
.append("{")
.append(StringUtils.join(cfMetaData.values(), ", "))
.append("}")
.append(", durable_writes: ")
.append(durableWrites);
return sb.toString();
}
