Class StandardIndexer

java.lang.Object

tools.refinery.interpreter.rete.network.BaseNode

tools.refinery.interpreter.rete.index.StandardIndexer

All Implemented Interfaces:

Indexer, NetworkStructureChangeSensitiveNode, Node

Direct Known Subclasses:

AbstractColumnAggregatorNode.AggregatorOuterIdentityIndexer, AbstractColumnAggregatorNode.AggregatorOuterIndexer, IndexerWithMemory, SpecializedProjectionIndexer, TransitiveClosureNodeIndexer

public abstract class StandardIndexer
extends BaseNode
implements Indexer, NetworkStructureChangeSensitiveNode

An abstract standard implementation of the Indexer interface, providing common bookkeeping functionality.

Field Summary

Fields

Modifier and Type	Field	Description
protected TupleMask	mask
protected Supplier	parent

Fields inherited from class BaseNode

nodeId, reteContainer, tag, traceInfos

Constructor Summary

Constructors

Constructor	Description
StandardIndexer(ReteContainer reteContainer, TupleMask mask)

Method Summary

Modifier and Type	Method	Description
void	assignTraceInfo(TraceInfo traceInfo)	assigns new traceability info to this node
void	attachListener(IndexerListener listener)
void	detachListener(IndexerListener listener)
ReteContainer	getContainer()
Collection<IndexerListener>	getListeners()
TupleMask	getMask()
Supplier	getParent()
void	networkStructureChanged()	At the time of the invocation, the dependency graph has already been updated.
protected void	propagate(Direction direction, Tuple updateElement, Tuple signature, boolean change, Timestamp timestamp)
protected String	toStringCore()	clients should override this to append before the tag / trace indicators

Methods inherited from class BaseNode

acceptPropagatedTraceInfo, getNodeId, getTag, getTraceInfoPatternsEnumerated, getTraceInfos, setTag, toString

Methods inherited from class Object

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

Methods inherited from interface Indexer

get, getActiveNode, getTimeline

Methods inherited from interface Node

acceptPropagatedTraceInfo, getCommunicationTracker, getNodeId, getTag, getTraceInfos, setTag

Field Details

parent

protected Supplier parent

mask

protected TupleMask mask

Constructor Details

StandardIndexer

public StandardIndexer(ReteContainer reteContainer,
 TupleMask mask)

Method Details

propagate

protected void propagate(Direction direction,
 Tuple updateElement,
 Tuple signature,
 boolean change,
 Timestamp timestamp)

Since:

2.4

getMask

public TupleMask getMask()

Specified by:

getMask in interface Indexer

Returns:

the mask by which the contents are indexed.

getParent

public Supplier getParent()

Specified by:

getParent in interface Indexer

Returns:

the node whose contents are indexed.

attachListener

public void attachListener(IndexerListener listener)

Specified by:

attachListener in interface Indexer

detachListener

public void detachListener(IndexerListener listener)

Specified by:

detachListener in interface Indexer

networkStructureChanged

public void networkStructureChanged()

Description copied from interface: NetworkStructureChangeSensitiveNode

At the time of the invocation, the dependency graph has already been updated.

Specified by:

networkStructureChanged in interface NetworkStructureChangeSensitiveNode

getListeners

public Collection<IndexerListener> getListeners()

Specified by:

getListeners in interface Indexer

getContainer

public ReteContainer getContainer()

Specified by:

getContainer in interface Node

Overrides:

getContainer in class BaseNode

Returns:

the network this node belongs to.

toStringCore

protected String toStringCore()

Description copied from class: BaseNode

clients should override this to append before the tag / trace indicators

Overrides:

toStringCore in class BaseNode

assignTraceInfo

public void assignTraceInfo(TraceInfo traceInfo)

Description copied from interface: Node

assigns new traceability info to this node

Specified by:

assignTraceInfo in interface Node

Overrides:

assignTraceInfo in class BaseNode