org.processmining.plugins.balancedconformance.dataflow.datastate

Interface DataStateStore

All Known Implementing Classes:

DataStateStoreConcurrentImpl, DataStateStoreJavaNoLockImpl, DataStateStoreLockImpl, DataStateStoreMemoryOptimizedImpl, DataStateStoreMemoryOptimizedNoLockImpl, DataStateStoreNoLockImpl

public interface DataStateStore

Stores DataState under an index.

Author:

F. Mannhardt

Field Summary

Fields

Modifier and Type	Field and Description
static DataState	EMPTY_IMMUTABLE_STATE Empty states that is immutable, i.e.
static int	EMPTY_STATE_INDEX
static java.lang.Integer	NO_ENTRY
static int	START_INDEX

Method Summary

Modifier and Type	Method and Description
DataState	get(int index) Returns the DataState that is stored under the specified index.
int	putIfAbsent(DataState state) Stores the DataState and returns the index that it is stored under.
int	size()

Field Detail

START_INDEX

static final int START_INDEX

See Also:

Constant Field Values

EMPTY_STATE_INDEX

static final int EMPTY_STATE_INDEX

See Also:

Constant Field Values

NO_ENTRY

static final java.lang.Integer NO_ENTRY

EMPTY_IMMUTABLE_STATE

static final DataState EMPTY_IMMUTABLE_STATE

Empty states that is immutable, i.e. all mutating methods throw UnsupportedOperationException.

Method Detail

get

DataState get(int index)

Returns the DataState that is stored under the specified index.

Parameters:

index -

Returns:

DataState or NULL, if there is none

putIfAbsent

int putIfAbsent(DataState state)

Stores the DataState and returns the index that it is stored under.

Parameters:

state -

Returns:

size

int size()

Returns:

the number of DataState in this store