Package elki.database.datastore.memory

Class MemoryDataStoreFactory

java.lang.Object

elki.database.datastore.memory.MemoryDataStoreFactory

All Implemented Interfaces:

DataStoreFactory

public class MemoryDataStoreFactory
extends java.lang.Object
implements DataStoreFactory

Simple factory class that will store all data in memory using object arrays or hashmaps. Hints are currently not used by this implementation, since everything is in-memory.

Since:

0.4.0

Author:

Erich Schubert

Field Summary

Fields inherited from interface elki.database.datastore.DataStoreFactory

FACTORY, HINT_DB, HINT_HOT, HINT_SORTED, HINT_STATIC, HINT_TEMP

Constructor Summary

Constructors

Constructor	Description
MemoryDataStoreFactory()

Method Summary

Modifier and Type	Method	Description
WritableDBIDDataStore	makeDBIDStorage(DBIDs ids, int hints)	Make a new storage, to associate the given ids with an object of class dataclass.
WritableDoubleDataStore	makeDoubleStorage(DBIDs ids, int hints)	Make a new storage, to associate the given ids with an object of class dataclass.
WritableDoubleDataStore	makeDoubleStorage(DBIDs ids, int hints, double def)	Make a new storage, to associate the given ids with an object of class dataclass.
WritableIntegerDataStore	makeIntegerStorage(DBIDs ids, int hints)	Make a new storage, to associate the given ids with an object of class dataclass.
WritableIntegerDataStore	makeIntegerStorage(DBIDs ids, int hints, int def)	Make a new storage, to associate the given ids with an object of class dataclass.
WritableRecordStore	makeRecordStorage(DBIDs ids, int hints, java.lang.Class<?>... dataclasses)	Make a new record storage, to associate the given ids with an object of class dataclass.
<T> WritableDataStore<T>	makeStorage(DBIDs ids, int hints, java.lang.Class<? super T> dataclass)	Make a new storage, to associate the given ids with an object of class dataclass.

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryDataStoreFactory

public MemoryDataStoreFactory()

Method Detail

makeStorage

public <T> WritableDataStore<T> makeStorage(DBIDs ids,
                                            int hints,
                                            java.lang.Class<? super T> dataclass)

Description copied from interface: DataStoreFactory

Make a new storage, to associate the given ids with an object of class dataclass.

Specified by:

makeStorage in interface DataStoreFactory

Type Parameters:

T - stored data type

Parameters:

ids - DBIDs to store data for

hints - Hints for the storage manager

dataclass - class to store

Returns:

new data store

makeDBIDStorage

public WritableDBIDDataStore makeDBIDStorage(DBIDs ids,
                                             int hints)

Description copied from interface: DataStoreFactory

Make a new storage, to associate the given ids with an object of class dataclass.

Specified by:

makeDBIDStorage in interface DataStoreFactory

Parameters:

ids - DBIDs to store data for

hints - Hints for the storage manager

Returns:

new data store

makeDoubleStorage

public WritableDoubleDataStore makeDoubleStorage(DBIDs ids,
                                                 int hints)

Description copied from interface: DataStoreFactory

Make a new storage, to associate the given ids with an object of class dataclass.

Specified by:

makeDoubleStorage in interface DataStoreFactory

Parameters:

ids - DBIDs to store data for

hints - Hints for the storage manager

Returns:

new data store

makeDoubleStorage

public WritableDoubleDataStore makeDoubleStorage(DBIDs ids,
                                                 int hints,
                                                 double def)

Description copied from interface: DataStoreFactory

Make a new storage, to associate the given ids with an object of class dataclass.

Specified by:

makeDoubleStorage in interface DataStoreFactory

Parameters:

ids - DBIDs to store data for

hints - Hints for the storage manager

def - Default value

Returns:

new data store

makeIntegerStorage

public WritableIntegerDataStore makeIntegerStorage(DBIDs ids,
                                                   int hints)

Description copied from interface: DataStoreFactory

Make a new storage, to associate the given ids with an object of class dataclass.

Specified by:

makeIntegerStorage in interface DataStoreFactory

Parameters:

ids - DBIDs to store data for

hints - Hints for the storage manager

Returns:

new data store

makeIntegerStorage

public WritableIntegerDataStore makeIntegerStorage(DBIDs ids,
                                                   int hints,
                                                   int def)

Description copied from interface: DataStoreFactory

Make a new storage, to associate the given ids with an object of class dataclass.

Specified by:

makeIntegerStorage in interface DataStoreFactory

Parameters:

ids - DBIDs to store data for

hints - Hints for the storage manager

def - Default value

Returns:

new data store

makeRecordStorage

public WritableRecordStore makeRecordStorage(DBIDs ids,
                                             int hints,
                                             java.lang.Class<?>... dataclasses)

Description copied from interface: DataStoreFactory

Make a new record storage, to associate the given ids with an object of class dataclass.

Specified by:

makeRecordStorage in interface DataStoreFactory

Parameters:

ids - DBIDs to store data for

hints - Hints for the storage manager

dataclasses - classes to store

Returns:

new record store