org.eclipse.viatra.query.runtime.rete.index

Class IndexerWithMemory

java.lang.Object

org.eclipse.viatra.query.runtime.rete.network.BaseNode

org.eclipse.viatra.query.runtime.rete.index.StandardIndexer

org.eclipse.viatra.query.runtime.rete.index.IndexerWithMemory

All Implemented Interfaces:

Indexer, Node, Receiver

Direct Known Subclasses:

GenericProjectionIndexer

public abstract class IndexerWithMemory
extends StandardIndexer
implements Receiver

Field Summary

Fields

Modifier and Type	Field and Description
protected Mailbox	mailbox
protected MaskedTupleMemory	memory

Fields inherited from class org.eclipse.viatra.query.runtime.rete.index.StandardIndexer

listeners, mask, parent

Fields inherited from class org.eclipse.viatra.query.runtime.rete.network.BaseNode

nodeId, reteContainer, tag, traceInfos

Constructor Summary

Constructors

Constructor and Description
IndexerWithMemory(ReteContainer reteContainer, TupleMask mask)

Method Summary

Modifier and Type	Method and Description
void	appendParent(Supplier supplier) appends a parent that will continously send insert and revoke updates to this supplier
Mailbox	getMailbox() Returns the Mailbox of this receiver.
MaskedTupleMemory	getMemory()
java.util.Collection<Supplier>	getParents() access active parent
protected Mailbox	instantiateMailbox() Instantiates the Mailbox of this receiver.
void	removeParent(Supplier supplier) removes a parent
void	update(Direction direction, Tuple updateElement) updates the receiver with a newly found or lost partial matching
protected abstract void	update(Direction direction, Tuple updateElement, Tuple signature, boolean change) Refined version of update

Methods inherited from class org.eclipse.viatra.query.runtime.rete.index.StandardIndexer

assignTraceInfo, attachListener, detachListener, getContainer, getListeners, getMask, getParent, propagate, toStringCore

Methods inherited from class org.eclipse.viatra.query.runtime.rete.network.BaseNode

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.viatra.query.runtime.rete.network.Node

acceptPropagatedTraceInfo, assignTraceInfo, getContainer, getNodeId, getTag, getTraceInfos, setTag

Methods inherited from interface org.eclipse.viatra.query.runtime.rete.index.Indexer

get, getActiveNode

Field Detail

memory

protected MaskedTupleMemory memory

mailbox

protected final Mailbox mailbox

Since:

1.6

Constructor Detail

IndexerWithMemory

public IndexerWithMemory(ReteContainer reteContainer,
                         TupleMask mask)

Parameters:

reteContainer -

mask -

Method Detail

instantiateMailbox

protected Mailbox instantiateMailbox()

Instantiates the Mailbox of this receiver. Subclasses may override this method to provide their own mailbox implementation.

Returns:

the mailbox

Since:

1.6

getMailbox

public Mailbox getMailbox()

Description copied from interface: Receiver

Returns the Mailbox of this receiver.

Specified by:

getMailbox in interface Receiver

Returns:

the mailbox

getMemory

public MaskedTupleMemory getMemory()

update

public void update(Direction direction,
                   Tuple updateElement)

Description copied from interface: Receiver

updates the receiver with a newly found or lost partial matching

Specified by:

update in interface Receiver

update

protected abstract void update(Direction direction,
                               Tuple updateElement,
                               Tuple signature,
                               boolean change)

Refined version of update

appendParent

public void appendParent(Supplier supplier)

Description copied from interface: Receiver

appends a parent that will continously send insert and revoke updates to this supplier

Specified by:

appendParent in interface Receiver

removeParent

public void removeParent(Supplier supplier)

Description copied from interface: Receiver

removes a parent

Specified by:

removeParent in interface Receiver

getParents

public java.util.Collection<Supplier> getParents()

Description copied from interface: Receiver

access active parent

Specified by:

getParents in interface Receiver