alluxio.master.meta

Class PathProperties.State

java.lang.Object

alluxio.master.meta.PathProperties.State

All Implemented Interfaces:

Checkpointed, Journaled, JournalEntryIterable

Enclosing class:

PathProperties

@NotThreadSafe
public static final class PathProperties.State
extends Object
implements Journaled

Journaled state of path level properties.

Constructor Summary

Constructors

Constructor and Description
State()

Method Summary

Modifier and Type	Method and Description
void	applyAndJournal(java.util.function.Supplier<JournalContext> ctx, Meta.PathPropertiesEntry entry)
void	applyAndJournal(java.util.function.Supplier<JournalContext> ctx, Meta.RemovePathPropertiesEntry entry)
CheckpointName	getCheckpointName()
Iterator<Journal.JournalEntry>	getJournalEntryIterator()
Map<String,Map<String,String>>	getProperties()
Map<String,String>	getProperties(String path)
boolean	processJournalEntry(Journal.JournalEntry entry) Attempts to apply a journal entry.
void	resetState() Resets the object's journaled state.

Methods inherited from class java.lang.Object

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

Methods inherited from interface alluxio.master.journal.Journaled

applyAndJournal, restoreFromCheckpoint, writeToCheckpoint

Constructor Detail

State

public State()

Method Detail

getProperties

public Map<String,Map<String,String>> getProperties()

Returns:

a copy of the internal properties

getProperties

public Map<String,String> getProperties(String path)

Parameters:

path - the path

Returns:

a copy of the internal properties for path or empty if configurations for the path do not exist

processJournalEntry

public boolean processJournalEntry(Journal.JournalEntry entry)

Description copied from interface: Journaled

Attempts to apply a journal entry.

Specified by:

processJournalEntry in interface Journaled

Parameters:

entry - the entry to apply

Returns:

whether the entry type is supported by this journaled object

applyAndJournal

public void applyAndJournal(java.util.function.Supplier<JournalContext> ctx,
                            Meta.PathPropertiesEntry entry)

Parameters:

ctx - the journal context

entry - the path properties entry

applyAndJournal

public void applyAndJournal(java.util.function.Supplier<JournalContext> ctx,
                            Meta.RemovePathPropertiesEntry entry)

Parameters:

ctx - the journal context

entry - the remove path properties entry

resetState

public void resetState()

Description copied from interface: Journaled

Resets the object's journaled state.

Specified by:

resetState in interface Journaled

getCheckpointName

public CheckpointName getCheckpointName()

Specified by:

getCheckpointName in interface Checkpointed

Returns:

a name for this checkpointed class

getJournalEntryIterator

public Iterator<Journal.JournalEntry> getJournalEntryIterator()

Specified by:

getJournalEntryIterator in interface JournalEntryIterable

Returns:

an Iterator that iterates all the journal entries