IterableConcat
See javadoc - uk.gov.gchq.koryphe.impl.function.IterableConcat
Available since Koryphe version 1.1.0
For a given Iterable of Iterables, an IterableConcat will essentially perform a FlatMap on the input, by concatenating each of the nested iterables into a single flattened iterable.
Examples
Concatenate nested iterables
Java
JSON
Full JSON
Python
final IterableConcat<Integer> function = new IterableConcat<>();{
"class" : "IterableConcat"
}{
"class" : "uk.gov.gchq.koryphe.impl.function.IterableConcat"
}g.IterableConcat()Input type:
java.lang.Iterable
Example inputs:
| Input Type | Input | Result Type | Result |
|---|---|---|---|
| java.util.ArrayList | [[2, 3, 5], [7, 11, 13], [17, 19, 23]] | uk.gov.gchq.koryphe.util.IterableUtil$ChainedIterable | [2, 3, 5, 7, 11, 13, 17, 19, 23] |
| java.util.ArrayList | [[29, 31, 37]] | uk.gov.gchq.koryphe.util.IterableUtil$ChainedIterable | [29, 31, 37] |
| java.util.ArrayList | [[2, 3, 5], [7, 11, 13], null] | NullPointerException: null | |
| null | IllegalArgumentException: iterables are required |