org.apache.cassandra.db.migration
Class UpdateColumnFamily

java.lang.Object
  org.apache.cassandra.db.migration.Migration
      org.apache.cassandra.db.migration.UpdateColumnFamily

public class UpdateColumnFamily
extends Migration

todo: doesn't work with secondary indices yet. See CASSANDRA-1415.

Field Summary

Fields inherited from class org.apache.cassandra.db.migration.Migration

clientMode, LAST_MIGRATION_KEY, lastVersion, logger, MIGRATIONS_CF, MIGRATIONS_KEY, NAME_VALIDATOR_REGEX, newVersion, rm, SCHEMA_CF

Constructor Summary

protected	UpdateColumnFamily()
	UpdateColumnFamily(org.apache.cassandra.avro.CfDef cf_def) assumes validation has already happened.

Method Summary

void	beforeApplyModels() override this to perform logic before writing the migration or applying it.
void	subdeflate(org.apache.cassandra.db.migration.avro.Migration mi) Deflate this Migration into an Avro object.
void	subinflate(org.apache.cassandra.db.migration.avro.Migration mi) Inflate this Migration from an Avro object: called after the required no-arg constructor.
java.lang.String	toString()

Methods inherited from class org.apache.cassandra.db.migration.Migration

acquireLocks, announce, apply, deserialize, getLastMigrationId, getLocalMigrations, getVersion, isLegalName, passiveAnnounce, releaseLocks, serialize, toUTF8Bytes

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

UpdateColumnFamily

protected UpdateColumnFamily()

UpdateColumnFamily

public UpdateColumnFamily(org.apache.cassandra.avro.CfDef cf_def)
                   throws ConfigurationException,
                          java.io.IOException

assumes validation has already happened. That is, replacing oldCfm with newCfm is neither illegal or totally whackass.

Throws:

ConfigurationException

java.io.IOException

Method Detail

beforeApplyModels

public void beforeApplyModels()

Description copied from class: Migration

override this to perform logic before writing the migration or applying it. defaults to nothing.

Overrides:

beforeApplyModels in class Migration

subdeflate

public void subdeflate(org.apache.cassandra.db.migration.avro.Migration mi)

Description copied from class: Migration

Deflate this Migration into an Avro object.

Specified by:

subdeflate in class Migration

subinflate

public void subinflate(org.apache.cassandra.db.migration.avro.Migration mi)

Description copied from class: Migration

Inflate this Migration from an Avro object: called after the required no-arg constructor.

Specified by:

subinflate in class Migration

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object