vertx / io.vertx.reactivex.core.shareddata / AsyncMap / replaceIfPresent

replaceIfPresent

open fun replaceIfPresent(k: K, oldValue: V, newValue: V, resultHandler: Handler<AsyncResult<Boolean>>): Unit

Replace the entry only if it is currently mapped to a specific value

Parameters

k - the key

oldValue - the existing value

newValue - the new value

resultHandler - the result handler