org.eclipse.viatra.query.runtime.rete.single

Class EqualityFilterNode

java.lang.Object

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

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

org.eclipse.viatra.query.runtime.rete.single.SingleInputNode

org.eclipse.viatra.query.runtime.rete.single.FilterNode

org.eclipse.viatra.query.runtime.rete.single.EqualityFilterNode

All Implemented Interfaces:

Node, Receiver, Supplier, Tunnel

public class EqualityFilterNode
extends FilterNode

Field Summary

Fields inherited from class org.eclipse.viatra.query.runtime.rete.single.SingleInputNode

mailbox, parent

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

children

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

nodeId, reteContainer, tag, traceInfos

Constructor Summary

Constructors

Constructor and Description
EqualityFilterNode(ReteContainer reteContainer, int[] indices)

Method Summary

Modifier and Type	Method and Description
boolean	check(Tuple ps) Abstract filtering predicate.

Methods inherited from class org.eclipse.viatra.query.runtime.rete.single.FilterNode

pullInto, update

Methods inherited from class org.eclipse.viatra.query.runtime.rete.single.SingleInputNode

appendParent, assignTraceInfo, getMailbox, getParents, instantiateMailbox, propagatePullInto, removeParent

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

appendChild, constructIndex, getPulledContents, getReceivers, issueError, propagateUpdate, removeChild

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

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

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.Supplier

appendChild, constructIndex, getPulledContents, getReceivers, removeChild

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

acceptPropagatedTraceInfo, getContainer, getNodeId, getTag, getTraceInfos, setTag

Constructor Detail

EqualityFilterNode

public EqualityFilterNode(ReteContainer reteContainer,
                          int[] indices)

Parameters:

reteContainer -

indices - indices of the Tuple that should hold equal values

Method Detail

check

public boolean check(Tuple ps)

Description copied from class: FilterNode

Abstract filtering predicate. Expected to be stateless.

Specified by:

check in class FilterNode

Parameters:

ps - the matching to be checked.

Returns:

true if and only if the parameter matching is allowed to pass through this node.