Package com.arcadedb.query.sql.executor

Class MatchEdgeTraverser

java.lang.Object

com.arcadedb.query.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 EdgeTraversal	edge
protected MatchPathItem	item
protected Result	sourceRecord

Constructor Summary

Constructors

Constructor	Description
MatchEdgeTraverser(Result lastUpstreamRecord, EdgeTraversal edge)
MatchEdgeTraverser(Result lastUpstreamRecord, MatchPathItem item)

Method Summary

Modifier and Type	Method	Description
protected boolean	equals(Object prevValue, Identifiable nextElement)
protected Iterable<ResultInternal>	executeTraversal(CommandContext iCommandContext, MatchPathItem item, Identifiable startingPoint, int depth, List<Identifiable> pathToHere)
protected String	getEndpointAlias()
protected String	getStartingPointAlias()
protected WhereClause	getTargetFilter(MatchPathItem item)
boolean	hasNext(CommandContext ctx)
protected void	init(CommandContext ctx)
protected boolean	matchesFilters(CommandContext iCommandContext, WhereClause filter, Identifiable origin)
Result	next(CommandContext ctx)
protected String	targetClassName(MatchPathItem item, CommandContext iCommandContext)
protected String	targetClusterName(MatchPathItem item, CommandContext iCommandContext)
protected Rid	targetRid(MatchPathItem item, CommandContext iCommandContext)
protected Object	toResult(Document nextElement)
protected Iterable<ResultInternal>	traversePatternEdge(Identifiable startingPoint, CommandContext iCommandContext)

Methods inherited from class java.lang.Object

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

Field Detail

sourceRecord

protected final Result sourceRecord

edge

protected EdgeTraversal edge

item

protected final MatchPathItem item

Constructor Detail

MatchEdgeTraverser

public MatchEdgeTraverser(Result lastUpstreamRecord,
                          EdgeTraversal edge)

MatchEdgeTraverser

public MatchEdgeTraverser(Result lastUpstreamRecord,
                          MatchPathItem item)

Method Detail

hasNext

public boolean hasNext(CommandContext ctx)

next

public Result next(CommandContext ctx)

equals

protected boolean equals(Object prevValue,
                         Identifiable nextElement)

toResult

protected Object toResult(Document nextElement)

getStartingPointAlias

protected String getStartingPointAlias()

getEndpointAlias

protected String getEndpointAlias()

init

protected void init(CommandContext ctx)

executeTraversal

protected Iterable<ResultInternal> executeTraversal(CommandContext iCommandContext,
                                                    MatchPathItem item,
                                                    Identifiable startingPoint,
                                                    int depth,
                                                    List<Identifiable> pathToHere)

getTargetFilter

protected WhereClause getTargetFilter(MatchPathItem item)

targetClassName

protected String targetClassName(MatchPathItem item,
                                 CommandContext iCommandContext)

targetClusterName

protected String targetClusterName(MatchPathItem item,
                                   CommandContext iCommandContext)

targetRid

protected Rid targetRid(MatchPathItem item,
                        CommandContext iCommandContext)

matchesFilters

protected boolean matchesFilters(CommandContext iCommandContext,
                                 WhereClause filter,
                                 Identifiable origin)

traversePatternEdge

protected Iterable<ResultInternal> traversePatternEdge(Identifiable startingPoint,
                                                       CommandContext iCommandContext)