Package com.arcadedb.query.sql.executor

Class OptionalMatchEdgeTraverser

java.lang.Object

com.arcadedb.query.sql.executor.MatchEdgeTraverser

com.arcadedb.query.sql.executor.OptionalMatchEdgeTraverser

public class OptionalMatchEdgeTraverser
extends MatchEdgeTraverser

Created by luigidellaquila on 17/10/16.

Field Summary

Fields

Modifier and Type	Field	Description
static Result	EMPTY_OPTIONAL

Fields inherited from class com.arcadedb.query.sql.executor.MatchEdgeTraverser

edge, item, sourceRecord

Constructor Summary

Constructors

Constructor	Description
OptionalMatchEdgeTraverser(Result lastUpstreamRecord, EdgeTraversal edge)

Method Summary

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

Methods inherited from class com.arcadedb.query.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 Detail

EMPTY_OPTIONAL

public static final Result EMPTY_OPTIONAL

Constructor Detail

OptionalMatchEdgeTraverser

public OptionalMatchEdgeTraverser(Result lastUpstreamRecord,
                                  EdgeTraversal edge)

Method Detail

init

protected void init(CommandContext ctx)

Overrides:

init in class MatchEdgeTraverser

next

public Result next(CommandContext ctx)

Overrides:

next in class MatchEdgeTraverser

isEmptyOptional

public static boolean isEmptyOptional(Object elem)