Package org.apache.cassandra.db.compaction

Class SingleSSTableLCSTask

java.lang.Object

org.apache.cassandra.utils.WrappedRunnable

org.apache.cassandra.db.compaction.AbstractCompactionTask

org.apache.cassandra.db.compaction.SingleSSTableLCSTask

All Implemented Interfaces:

Runnable

public class SingleSSTableLCSTask
extends AbstractCompactionTask

Special compaction task that does not do any compaction, instead it just mutates the level metadata on the sstable and notifies the compaction strategy.

Field Summary

Fields inherited from class org.apache.cassandra.db.compaction.AbstractCompactionTask

cfs, compactionType, isUserDefined, transaction

Constructor Summary

Constructors

Constructor	Description
SingleSSTableLCSTask(ColumnFamilyStore cfs, LifecycleTransaction txn, int level)

Method Summary

Modifier and Type	Method	Description
protected int	executeInternal(ActiveCompactionsTracker activeCompactions)
CompactionAwareWriter	getCompactionAwareWriter(ColumnFamilyStore cfs, Directories directories, LifecycleTransaction txn, Set<SSTableReader> nonExpiredSSTables)
protected void	runMayThrow()

Methods inherited from class org.apache.cassandra.db.compaction.AbstractCompactionTask

execute, setCompactionType, setUserDefined, toString

Methods inherited from class org.apache.cassandra.utils.WrappedRunnable

run

Methods inherited from class java.lang.Object

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

Constructor Details

SingleSSTableLCSTask

public SingleSSTableLCSTask(ColumnFamilyStore cfs,
 LifecycleTransaction txn,
 int level)

Method Details

getCompactionAwareWriter

public CompactionAwareWriter getCompactionAwareWriter(ColumnFamilyStore cfs,
 Directories directories,
 LifecycleTransaction txn,
 Set<SSTableReader> nonExpiredSSTables)

Specified by:

getCompactionAwareWriter in class AbstractCompactionTask

executeInternal

protected int executeInternal(ActiveCompactionsTracker activeCompactions)

Specified by:

executeInternal in class AbstractCompactionTask

runMayThrow

protected void runMayThrow()

Specified by:

runMayThrow in class WrappedRunnable