Package com.semedy.reasoner.api.core

Class JSONCache

java.lang.Object

com.semedy.reasoner.api.core.JSONCache

public class JSONCache
extends Object

Caching mechanism for querying jsons

Author:

angele

Constructor Summary

Constructors

Constructor	Description
JSONCache()

Method Summary

Modifier and Type	Method	Description
void	clear()	clear cache
int	invalidated()	how many invalidations?
List<String>	retrieveJsons(JSONDeductiveDatabase jdb, String ooquery, int maxNumberOfResults, Properties builtinConfig)	Retrieve JSON Objects as strings using an OO-logic query.

Methods inherited from class java.lang.Object

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

Constructor Details

JSONCache

public JSONCache()

Method Details

retrieveJsons

public List<String> retrieveJsons(JSONDeductiveDatabase jdb,
 String ooquery,
 int maxNumberOfResults,
 Properties builtinConfig)
                           throws ReasoningException,
InterruptedException,
IOException,
InstantiationException,
IllegalAccessException,
SemReasonerException

Retrieve JSON Objects as strings using an OO-logic query.
The conditions must contain
conditions on the properties to select the objects.
As variable for the instances of the class ?Id is used.
e.g. ?- ?Id:Person, ?Id[name:?Y,age:?Z], ?Y="Kevin",?Z>20.

Parameters:

jdb - , the json deductive database

ooquery - , OO-logic query to filter the objects

maxNumberOfResults - , maximum number of results to be retrieved

builtinConfig - , built-in configuration like access token

Returns:

Throws:

IOException

InterruptedException

ReasoningException

IllegalAccessException

InstantiationException

SemReasonerException

invalidated

public int invalidated()

how many invalidations?

Returns:

clear

public void clear()

clear cache