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• FlatMap.kt

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org.apache.tinkerpop.gremlin.ogm.paths.steps.FlatMap.kt Maven / Gradle / Ivy

package org.apache.tinkerpop.gremlin.ogm.paths.steps

import org.apache.tinkerpop.gremlin.ogm.paths.Path

/**
 * A step that maps the current object to zero or more new objects.
 */
class FlatMap(private val map: (FROM) -> Iterable) : Step.ToMany({
    it.traversal.flatMap { map(it.get()).iterator() }
})

fun  Path.ToMany.flatMap(map: (TO) -> Iterable): Path.ToMany = to(FlatMap(map))
fun  Path.ToOptional.flatMap(map: (TO) -> Iterable): Path.ToMany = to(FlatMap(map))
fun  Path.ToSingle.flatMap(map: (TO) -> Iterable): Path.ToMany = to(FlatMap(map))