org.apache.cassandra.io
Class CompactionController

java.lang.Object
  org.apache.cassandra.io.CompactionController

public class CompactionController
extends java.lang.Object

Manage compaction options.

Field Summary

int	gcBefore
boolean	isMajor

Constructor Summary

CompactionController(ColumnFamilyStore cfs, java.util.Collection<SSTableReader> sstables, boolean isMajor, int gcBefore, boolean forceDeserialize)

Method Summary

static CompactionController	getBasicController(boolean forceDeserialize) Returns a controller that never purge
java.lang.String	getColumnFamily()
java.lang.String	getKeyspace()
void	invalidateCachedRow(DecoratedKey key)
boolean	needDeserialize()
void	removeDeletedInCache(DecoratedKey key)
boolean	shouldPurge(DecoratedKey key)

Methods inherited from class java.lang.Object

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

Field Detail

isMajor

public final boolean isMajor

gcBefore

public final int gcBefore

Constructor Detail

CompactionController

public CompactionController(ColumnFamilyStore cfs,
                            java.util.Collection<SSTableReader> sstables,
                            boolean isMajor,
                            int gcBefore,
                            boolean forceDeserialize)

Method Detail

getBasicController

public static CompactionController getBasicController(boolean forceDeserialize)

Returns a controller that never purge

getKeyspace

public java.lang.String getKeyspace()

Returns:

The keyspace name: only valid if created with a non-null CFS.

getColumnFamily

public java.lang.String getColumnFamily()

Returns:

The column family name: only valid if created with a non-null CFS.

shouldPurge

public boolean shouldPurge(DecoratedKey key)

needDeserialize

public boolean needDeserialize()

invalidateCachedRow

public void invalidateCachedRow(DecoratedKey key)

removeDeletedInCache

public void removeDeletedInCache(DecoratedKey key)