org.apache.cassandra.db.index

Class PerRowSecondaryIndex

java.lang.Object

org.apache.cassandra.db.index.SecondaryIndex

org.apache.cassandra.db.index.PerRowSecondaryIndex

public abstract class PerRowSecondaryIndex
extends SecondaryIndex

Base class for Secondary indexes that implement a unique index per row

Field Summary

Fields inherited from class org.apache.cassandra.db.index.SecondaryIndex

baseCfs, columnDefs, CUSTOM_INDEX_OPTION_NAME, INDEX_ENTRIES_OPTION_NAME, INDEX_KEYS_OPTION_NAME, INDEX_VALUES_OPTION_NAME, keyComparator, logger

Constructor Summary

Constructors

Constructor and Description
PerRowSecondaryIndex()

Method Summary

Modifier and Type	Method and Description
abstract void	delete(java.nio.ByteBuffer key, OpOrder.Group opGroup) cleans up deleted columns from cassandra cleanup compaction
java.lang.String	getNameForSystemKeyspace(java.nio.ByteBuffer columnName) Return the unique name for this index and column to be stored in the SystemKeyspace that tracks if each column is built
abstract void	index(java.nio.ByteBuffer key, UnfilteredRowIterator atoms) Index the given partition.

Methods inherited from class org.apache.cassandra.db.index.SecondaryIndex

baseKeyspace, baseTable, buildIndexAsync, buildIndexBlocking, createInstance, createSecondaryIndexSearcher, estimateResultRows, forceBlockingFlush, getBaseCfs, getColumnDefs, getIndexCfs, getIndexKeyFor, getIndexName, indexes, init, invalidate, isIndexBuilt, newIndexMetadata, reload, removeIndex, setIndexBuilt, setIndexRemoved, supportsOperator, toString, truncateBlocking, validate, validate, validate, validateOptions

Methods inherited from class java.lang.Object

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

Constructor Detail

PerRowSecondaryIndex

public PerRowSecondaryIndex()

Method Detail

index

public abstract void index(java.nio.ByteBuffer key,
                           UnfilteredRowIterator atoms)

Index the given partition.

delete

public abstract void delete(java.nio.ByteBuffer key,
                            OpOrder.Group opGroup)

cleans up deleted columns from cassandra cleanup compaction

Parameters:

key -

getNameForSystemKeyspace

public java.lang.String getNameForSystemKeyspace(java.nio.ByteBuffer columnName)

Description copied from class: SecondaryIndex

Return the unique name for this index and column to be stored in the SystemKeyspace that tracks if each column is built

Specified by:

getNameForSystemKeyspace in class SecondaryIndex

Parameters:

columnName - the name of the column

Returns:

the unique name