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

replaceIfPresent

open fun replaceIfPresent(key: K, oldValue: V, newValue: V): Boolean

Replace the entry only if there is an existing entry with the specified key and value.

This method is the polyglot version of io.vertx.reactivex.core.shareddata.LocalMap#replace.

Parameters

key - the key

oldValue - the old value

newValue - the new value

Return
true if removed