Package org.apache.bookkeeper.bookie

Class InMemoryEntryLogMetadataMap

java.lang.Object

org.apache.bookkeeper.bookie.InMemoryEntryLogMetadataMap

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, EntryLogMetadataMap

public class InMemoryEntryLogMetadataMap
extends java.lang.Object
implements EntryLogMetadataMap

In-memory metadata-store to store entry-log metadata-map in memory-map.

Constructor Summary

Constructors

Constructor	Description
InMemoryEntryLogMetadataMap()

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear all records from the map.
void	close()
boolean	containsKey(long entryLogId)	Checks if record with entryLogId exists into the map.
void	forEach(java.util.function.BiConsumer<java.lang.Long,EntryLogMetadata> action)	Performs the given action for each entry in this map until all entries have been processed or the action throws an exception.
void	forKey(long entryLogId, java.util.function.BiConsumer<java.lang.Long,EntryLogMetadata> action)	Performs the given action for the key.
boolean	isEmpty()	Returns true if there are no elements in the map.
void	put(long entryLogId, EntryLogMetadata entryLogMeta)	Adds entryLogMetadata record into the map.
void	remove(long entryLogId)	Removes entryLogMetadata record from the map.
int	size()	Returns number of entryLogMetadata records presents into the map.

Methods inherited from class java.lang.Object

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

Constructor Detail

InMemoryEntryLogMetadataMap

public InMemoryEntryLogMetadataMap()

Method Detail

containsKey

public boolean containsKey(long entryLogId)

Description copied from interface: EntryLogMetadataMap

Checks if record with entryLogId exists into the map.

Specified by:

containsKey in interface EntryLogMetadataMap

Returns:

put

public void put(long entryLogId,
                EntryLogMetadata entryLogMeta)

Description copied from interface: EntryLogMetadataMap

Adds entryLogMetadata record into the map.

Specified by:

put in interface EntryLogMetadataMap

forEach

public void forEach(java.util.function.BiConsumer<java.lang.Long,EntryLogMetadata> action)

Description copied from interface: EntryLogMetadataMap

Performs the given action for each entry in this map until all entries have been processed or the action throws an exception.

Specified by:

forEach in interface EntryLogMetadataMap

forKey

public void forKey(long entryLogId,
                   java.util.function.BiConsumer<java.lang.Long,EntryLogMetadata> action)
            throws BookieException.EntryLogMetadataMapException

Description copied from interface: EntryLogMetadataMap

Performs the given action for the key.

Specified by:

forKey in interface EntryLogMetadataMap

Throws:

BookieException.EntryLogMetadataMapException

remove

public void remove(long entryLogId)

Description copied from interface: EntryLogMetadataMap

Removes entryLogMetadata record from the map.

Specified by:

remove in interface EntryLogMetadataMap

size

public int size()

Description copied from interface: EntryLogMetadataMap

Returns number of entryLogMetadata records presents into the map.

Specified by:

size in interface EntryLogMetadataMap

Returns:

isEmpty

public boolean isEmpty()

Description copied from interface: EntryLogMetadataMap

Returns true if there are no elements in the map.

Specified by:

isEmpty in interface EntryLogMetadataMap

Returns:

clear

public void clear()

Description copied from interface: EntryLogMetadataMap

Clear all records from the map. For unit tests.

Specified by:

clear in interface EntryLogMetadataMap

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException