eu.larkc.jactr.modules.sparql
Class AbstractSPARQLRetrievalModule

java.lang.Object
  org.jactr.core.utils.DefaultAdaptable
      org.jactr.core.module.AbstractModule
          org.jactr.core.module.retrieval.six.DefaultRetrievalModule6
              eu.larkc.jactr.modules.sparql.AbstractSPARQLRetrievalModule

All Implemented Interfaces:

ISPARQLRetrievalModule, IModule, IRetrievalModule4, IRetrievalModule, IAdaptable, IInitializable, IInstallable, IParameterized

Direct Known Subclasses:

DefaultSPARQLRetrievalModule, RemoteSPARQLEndpointRetrievalModule

public abstract class AbstractSPARQLRetrievalModule
extends DefaultRetrievalModule6
implements ISPARQLRetrievalModule

A retrieval module that can retrieve chunks from a repository.

Author:

Martijn Brakenhoff

Field Summary

Fields inherited from class org.jactr.core.module.retrieval.six.DefaultRetrievalModule6

INDEXED_RETRIEVALS_ENABLED_PARAM, RECENTLY_RETRIEVED_SLOT

Fields inherited from interface org.jactr.core.module.retrieval.four.IRetrievalModule4

LATENCY_EXPONENT, LATENCY_FACTOR

Fields inherited from interface org.jactr.core.module.retrieval.IRetrievalModule

RETRIEVAL_THRESHOLD

Method Summary

abstract SPARQLEndpoint	getSPARQLEndpoint() Returns the SPARQLEndpoint that is used by this module.
void	initialize()
Future<IChunk>	retrieveChunk(ChunkTypeRequest chunkPattern)
Future<IChunk>	retrieveChunk(SPARQLRequest request) Returns (the promise of) an IChunk that matches the SPARQLRequest.

Methods inherited from class org.jactr.core.module.retrieval.six.DefaultRetrievalModule6

addListener, dispose, getLatencyExponent, getLatencyFactor, getParameter, getPossibleParameters, getRetrievalThreshold, getRetrievalTimeEquation, getSetableParameters, hasBeenRetrieved, isIndexedRetrievalEnabled, removeListener, reset, reset, setIndexedRetrievalEnabled, setLatencyExponent, setLatencyFactor, setParameter, setRetrievalThreshold

Methods inherited from class org.jactr.core.module.AbstractModule

delayedFuture, getExecutor, getModel, getName, immediateFuture, immediateReturn, install, uninstall

Methods inherited from class org.jactr.core.utils.DefaultAdaptable

getAdapter

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jactr.core.module.IModule

getModel, getName, install

Methods inherited from interface org.jactr.core.utils.IInstallable

uninstall

Methods inherited from interface org.jactr.core.utils.IAdaptable

getAdapter

Method Detail

initialize

public void initialize()

Specified by:

initialize in interface IModule

Specified by:

initialize in interface IInitializable

Overrides:

initialize in class DefaultRetrievalModule6

getSPARQLEndpoint

public abstract SPARQLEndpoint getSPARQLEndpoint()

Returns the SPARQLEndpoint that is used by this module.

Returns:

the SPARQLEndpoint.

retrieveChunk

public Future<IChunk> retrieveChunk(SPARQLRequest request)

Description copied from interface: ISPARQLRetrievalModule

Returns (the promise of) an IChunk that matches the SPARQLRequest.

Specified by:

retrieveChunk in interface ISPARQLRetrievalModule

Parameters:

request - the SPARQLRequest that will be matched.

Returns:

the promise of the chunk that matches most.

retrieveChunk

public Future<IChunk> retrieveChunk(ChunkTypeRequest chunkPattern)

Specified by:

retrieveChunk in interface IRetrievalModule

Overrides:

retrieveChunk in class DefaultRetrievalModule6