Package de.uni_mannheim.informatik.dws.melt.matching_base

Class DataStore

java.lang.Object

de.uni_mannheim.informatik.dws.melt.matching_base.DataStore

public class DataStore
extends Object

Store accessible to all matchers where variables and results can be persisted in. Available as local store and as global store.

Field Summary

Fields

Modifier and Type	Field	Description
private HashMap<String,Object>	centralStore	Central Store Object
private static DataStore	instance	Singleton instance

Constructor Summary

Constructors

Constructor	Description
DataStore()	Constructor

Method Summary

Modifier and Type	Method	Description
void	clear()	Delete store.
boolean	containsKey(String key)	Check if key exists in store.
<T> T	get(String key)
Object	get(String key, Class clazz)	Get an object from the data store using a key.
static DataStore	getGlobal()	Get global data store instance.
void	put(String key, Object value)	Put an object to the data store.

Methods inherited from class java.lang.Object

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

Field Details

instance

private static DataStore instance

Singleton instance

centralStore

private HashMap<String,Object> centralStore

Central Store Object

Constructor Details

DataStore

public DataStore()

Constructor

Method Details

getGlobal

public static DataStore getGlobal()

Get global data store instance.

Returns:

Instance of the global data store.

put

public void put(String key, Object value)

Put an object to the data store.

Parameters:

key - Key

value - Value

get

public Object get(String key, Class clazz)

Get an object from the data store using a key.

Parameters:

key - Key used to retrieve object.

clazz - The class.

Returns:

Value stored for key.

get

public <T> T get(String key)

containsKey

public boolean containsKey(String key)

Check if key exists in store.

Parameters:

key - Key that shall be looked up.

Returns:

true if key contained, else false.

clear

public void clear()

Delete store.