org.openspaces.persistency.cassandra.meta
Class ColumnFamilyMetadataCache

java.lang.Object
  org.openspaces.persistency.cassandra.meta.ColumnFamilyMetadataCache

public class ColumnFamilyMetadataCache
extends Object

A simple ConcurrentMap based cache to store ColumnFamilyMetadata in-memory.

Since:

9.1.1

Author:

Dan Kilman

Constructor Summary

ColumnFamilyMetadataCache()

Method Summary

void	addColumnFamilyMetadata(String typeName, ColumnFamilyMetadata metadata) Adds the given ColumnFamilyMetadata using the typeName as key.
ConcurrentMap<String,ColumnFamilyMetadata>	getColumnFamiliesMetadata()
ColumnFamilyMetadata	getColumnFamilyMetadata(String typeName)

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnFamilyMetadataCache

public ColumnFamilyMetadataCache()

Method Detail

getColumnFamilyMetadata

public ColumnFamilyMetadata getColumnFamilyMetadata(String typeName)

Parameters:

typeName - The type name matching to requested ColumnFamilyMetadata

Returns:

the matching ColumnFamilyMetadata or null if not found.

addColumnFamilyMetadata

public void addColumnFamilyMetadata(String typeName,
                                    ColumnFamilyMetadata metadata)

Adds the given ColumnFamilyMetadata using the typeName as key. Will override entries if they already exist.

Parameters:

typeName - the type name.

metadata - the metadata.

getColumnFamiliesMetadata

public ConcurrentMap<String,ColumnFamilyMetadata> getColumnFamiliesMetadata()

Returns:

A map from type name to column family metadata of all currently in-memory ColumnFamilyMetadata.