org.processmining.plugins.balancedconformance.dataflow.datastate

Class DataStateStoreConcurrentImpl

java.lang.Object

org.processmining.plugins.balancedconformance.dataflow.datastate.DataStateStoreConcurrentImpl

All Implemented Interfaces:

DataStateStore

public final class DataStateStoreConcurrentImpl
extends java.lang.Object
implements DataStateStore

Implementation of an DataStateStore using the NonBlockingHashMap together with a compare-and-swap operation.

Author:

F. Mannhardt

Field Summary

Fields inherited from interface org.processmining.plugins.balancedconformance.dataflow.datastate.DataStateStore

EMPTY_IMMUTABLE_STATE, EMPTY_STATE_INDEX, NO_ENTRY, START_INDEX

Constructor Summary

Constructors

Constructor and Description
DataStateStoreConcurrentImpl(int initialCapacity)

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()

Methods inherited from class java.lang.Object

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

Constructor Detail

DataStateStoreConcurrentImpl

public DataStateStoreConcurrentImpl(int initialCapacity)

Method Detail

get

public DataState get(int index)

Description copied from interface: DataStateStore

Returns the DataState that is stored under the specified index.

Specified by:

get in interface DataStateStore

Returns:

DataState or NULL, if there is none

putIfAbsent

public int putIfAbsent(DataState state)

Description copied from interface: DataStateStore

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

Specified by:

putIfAbsent in interface DataStateStore

Returns:

size

public int size()

Specified by:

size in interface DataStateStore

Returns:

the number of DataState in this store