Class CardinalityResponseImplWithoutCardinality

java.lang.Object

se.liu.ida.hefquin.engine.federation.access.impl.response.CardinalityResponseImpl

se.liu.ida.hefquin.engine.federation.access.impl.response.CardinalityResponseImplWithoutCardinality

All Implemented Interfaces:

CardinalityResponse, DataRetrievalResponse<Integer>

public class CardinalityResponseImplWithoutCardinality
extends CardinalityResponseImpl

A subclass of CardinalityResponseImpl representing a response where the cardinality is not available. This implementation wraps a DataRetrievalResponse and a DataRetrievalRequest and captures the exception that occurred, while assigning Integer.MAX_VALUE as a placeholder for the unknown cardinality.

Field Summary

Fields

Modifier and Type	Field	Description
protected final Exception	exception

Fields inherited from class se.liu.ida.hefquin.engine.federation.access.impl.response.CardinalityResponseImpl

cardinality, request, wrappedResponse

Constructor Summary

Constructors

Constructor	Description
CardinalityResponseImplWithoutCardinality(Exception exception, DataRetrievalResponse<?> wrappedResponse, DataRetrievalRequest request)	Constructs a CardinalityResponseImplWithoutCardinality with the given exception.

Method Summary

Modifier and Type	Method	Description
Exception	getException()	Returns the exception that caused the absence of cardinality/cardinality estimate.

Methods inherited from class se.liu.ida.hefquin.engine.federation.access.impl.response.CardinalityResponseImpl

getErrorDescription, getErrorStatusCode, getFederationMember, getRequest, getRequestDuration, getRequestStartTime, getResponseData, getRetrievalEndTime, getWrappedResponse, isError

Methods inherited from class java.lang.Object

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

Methods inherited from interface se.liu.ida.hefquin.engine.federation.access.CardinalityResponse

getCardinality

Field Details

exception

protected final Exception exception

Constructor Details

CardinalityResponseImplWithoutCardinality

public CardinalityResponseImplWithoutCardinality(Exception exception,
 DataRetrievalResponse<?> wrappedResponse,
 DataRetrievalRequest request)

Constructs a CardinalityResponseImplWithoutCardinality with the given exception.

Parameters:

exception - the exception that caused the absence of cardinality/cardinality estimate

wrappedResponse - the original data retrieval response

request - the original data retrieval request

Method Details

getException

public Exception getException()

Returns the exception that caused the absence of cardinality/cardinality estimate.

Returns:

the associated exception