org.apache.tinkerpop.gremlin.ogm.traversals.GraphTraversalToOptional.kt Maven / Gradle / Ivy

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The Object Graph Mapping Library for Kotlin and Gremlin

There is a newer version: 0.21.0

package org.apache.tinkerpop.gremlin.ogm.traversals

import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal

class GraphTraversalToOptional internal constructor(val traversal: GraphTraversal) {

    fun fetch(): TO? = traversal.tryNext().orElse(null)

    fun toSingle() = GraphTraversalToSingle(traversal)

    fun toMany() = GraphTraversalToMany(traversal)
}

fun  GraphTraversal.toOptional() = GraphTraversalToOptional(this)