Package com.orientechnologies.orient.core.sql.executor

Class MatchEdgeTraverser

java.lang.Object

com.orientechnologies.orient.core.sql.executor.MatchEdgeTraverser

Direct Known Subclasses:

MatchFieldTraverser, MatchMultiEdgeTraverser, MatchReverseEdgeTraverser, OptionalMatchEdgeTraverser

public class MatchEdgeTraverser
extends Object

Created by luigidellaquila on 23/09/16.

Field Summary

Fields

Modifier and Type	Field	Description
protected OExecutionStream	downstream
protected EdgeTraversal	edge
protected OMatchPathItem	item
protected OResult	sourceRecord

Constructor Summary

Constructors

Constructor	Description
MatchEdgeTraverser(OResult lastUpstreamRecord, EdgeTraversal edge)
MatchEdgeTraverser(OResult lastUpstreamRecord, OMatchPathItem item)

Method Summary

Modifier and Type	Method	Description
protected boolean	equals(Object prevValue, OIdentifiable nextElement)
protected OExecutionStream	executeTraversal(OCommandContext iCommandContext, OMatchPathItem item, Object startingPoint, int depth, List<OIdentifiable> pathToHere)
protected String	getEndpointAlias()
protected String	getStartingPointAlias()
protected OWhereClause	getTargetFilter(OMatchPathItem item)
boolean	hasNext(OCommandContext ctx)
protected void	init(OCommandContext ctx)
protected boolean	matchesFilters(OCommandContext iCommandContext, OWhereClause filter, OResult origin)
OResult	next(OCommandContext ctx)
protected String	targetClassName(OMatchPathItem item, OCommandContext iCommandContext)
protected String	targetClusterName(OMatchPathItem item, OCommandContext iCommandContext)
protected ORid	targetRid(OMatchPathItem item, OCommandContext iCommandContext)
protected Object	toResult(OIdentifiable nextElement)
protected OExecutionStream	traversePatternEdge(OIdentifiable startingPoint, OCommandContext iCommandContext)

Methods inherited from class java.lang.Object

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

Field Details

sourceRecord

protected OResult sourceRecord

edge

protected EdgeTraversal edge

item

protected OMatchPathItem item

downstream

protected OExecutionStream downstream

Constructor Details

MatchEdgeTraverser

public MatchEdgeTraverser(OResult lastUpstreamRecord,
 EdgeTraversal edge)

MatchEdgeTraverser

public MatchEdgeTraverser(OResult lastUpstreamRecord,
 OMatchPathItem item)

Method Details

hasNext

public boolean hasNext(OCommandContext ctx)

next

public OResult next(OCommandContext ctx)

equals

protected boolean equals(Object prevValue,
 OIdentifiable nextElement)

toResult

protected Object toResult(OIdentifiable nextElement)

getStartingPointAlias

protected String getStartingPointAlias()

getEndpointAlias

protected String getEndpointAlias()

init

protected void init(OCommandContext ctx)

executeTraversal

protected OExecutionStream executeTraversal(OCommandContext iCommandContext,
 OMatchPathItem item,
 Object startingPoint,
 int depth,
 List<OIdentifiable> pathToHere)

getTargetFilter

protected OWhereClause getTargetFilter(OMatchPathItem item)

targetClassName

protected String targetClassName(OMatchPathItem item,
 OCommandContext iCommandContext)

targetClusterName

protected String targetClusterName(OMatchPathItem item,
 OCommandContext iCommandContext)

targetRid

protected ORid targetRid(OMatchPathItem item,
 OCommandContext iCommandContext)

matchesFilters

protected boolean matchesFilters(OCommandContext iCommandContext,
 OWhereClause filter,
 OResult origin)

traversePatternEdge

protected OExecutionStream traversePatternEdge(OIdentifiable startingPoint,
 OCommandContext iCommandContext)