public DropKeyspace(String name, boolean blockOnFileDeletion)
throws ConfigurationException, IOException {
super(
UUIDGen.makeType1UUIDFromHost(FBUtilities.getLocalAddress()),
DatabaseDescriptor.getDefsVersion());
this.name = name;
this.blockOnFileDeletion = blockOnFileDeletion;
KSMetaData ksm = DatabaseDescriptor.getTableDefinition(name);
if (ksm == null) throw new ConfigurationException("Keyspace does not exist.");
rm = makeDefinitionMutation(null, ksm, newVersion);
}
public DropColumnFamily(String tableName, String cfName)
throws ConfigurationException, IOException {
super(
UUIDGen.makeType1UUIDFromHost(FBUtilities.getLocalAddress()),
DatabaseDescriptor.getDefsVersion());
this.tableName = tableName;
this.cfName = cfName;
KSMetaData ksm = DatabaseDescriptor.getTableDefinition(tableName);
if (ksm == null) throw new ConfigurationException("Keyspace does not already exist.");
else if (!ksm.cfMetaData().containsKey(cfName))
throw new ConfigurationException("CF is not defined in that keyspace.");
KSMetaData newKsm = makeNewKeyspaceDefinition(ksm);
rm = Migration.makeDefinitionMutation(newKsm, null, newVersion);
}
@Override
public void applyModels() throws IOException {
KSMetaData ksm = DatabaseDescriptor.getTableDefinition(name);
// remove the table from the static instances.
Table table = Table.clear(ksm.name);
if (table == null) throw new IOException("Table is not active. " + ksm.name);
// remove all cfs from the table instance.
for (CFMetaData cfm : ksm.cfMetaData().values()) {
CFMetaData.purge(cfm);
table.dropCf(cfm.cfId);
SystemTable.markForRemoval(cfm);
}
// reset defs.
DatabaseDescriptor.clearTableDefinition(ksm, newVersion);
CommitLog.instance().forceNewSegment();
Migration.cleanupDeadFiles(blockOnFileDeletion);
// clear up any local hinted data for this keyspace.
HintedHandOffManager.renameHints(name, null);
}
public void applyModels() throws IOException {
ColumnFamilyStore cfs = Table.open(tableName).getColumnFamilyStore(cfName);
// reinitialize the table.
KSMetaData existing = DatabaseDescriptor.getTableDefinition(tableName);
CFMetaData cfm = existing.cfMetaData().get(cfName);
KSMetaData ksm = makeNewKeyspaceDefinition(existing);
CFMetaData.purge(cfm);
DatabaseDescriptor.setTableDefinition(ksm, newVersion);
if (!clientMode) {
cfs.snapshot(Table.getTimestampedSnapshotName(null));
CompactionManager.instance.getCompactionLock().lock();
cfs.flushLock.lock();
try {
Table.open(ksm.name).dropCf(cfm.cfId);
} finally {
cfs.flushLock.unlock();
CompactionManager.instance.getCompactionLock().unlock();
}
}
}
