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

Class OptionalMatchEdgeTraverser

java.lang.Object

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

com.orientechnologies.orient.core.sql.executor.OptionalMatchEdgeTraverser

public class OptionalMatchEdgeTraverser
extends MatchEdgeTraverser

Created by luigidellaquila on 17/10/16.

Field Summary

Fields

Modifier and Type	Field	Description
static final OResult	EMPTY_OPTIONAL

Fields inherited from class com.orientechnologies.orient.core.sql.executor.MatchEdgeTraverser

downstream, edge, item, sourceRecord

Constructor Summary

Constructors

Constructor	Description
OptionalMatchEdgeTraverser(OResult lastUpstreamRecord, EdgeTraversal edge)

Method Summary

Modifier and Type	Method	Description
protected void	init(OCommandContext ctx)
static boolean	isEmptyOptional(Object elem)
OResult	next(OCommandContext ctx)

Methods inherited from class com.orientechnologies.orient.core.sql.executor.MatchEdgeTraverser

equals, executeTraversal, getEndpointAlias, getStartingPointAlias, getTargetFilter, hasNext, matchesFilters, targetClassName, targetClusterName, targetRid, toResult, traversePatternEdge

Methods inherited from class java.lang.Object

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

Field Details

EMPTY_OPTIONAL

public static final OResult EMPTY_OPTIONAL

Constructor Details

OptionalMatchEdgeTraverser

public OptionalMatchEdgeTraverser(OResult lastUpstreamRecord,
 EdgeTraversal edge)

Method Details

init

protected void init(OCommandContext ctx)

Overrides:

init in class MatchEdgeTraverser

next

public OResult next(OCommandContext ctx)

Overrides:

next in class MatchEdgeTraverser

isEmptyOptional

public static boolean isEmptyOptional(Object elem)