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Minor: add a kdoc to the select function.

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Mike Hearn 2015-11-16 19:27:39 +01:00
parent 0aa643d4c2
commit 5f30684805
1 changed files with 5 additions and 3 deletions
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8
src/core/ContractsDSL.kt
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@ -94,11 +94,13 @@ fun Iterable<Amount>.sumOrThrow() = reduce { left, right -> left + right }
fun Iterable<Amount>.sumOrZero(currency: Currency) = if (iterator().hasNext()) sumOrThrow() else Amount(0, currency)
//// Authenticated commands ///////////////////////////////////////////////////////////////////////////////////////////
/** Filters the command list by type, institution and public key all at once. */
inline fun <reified T : Command> List<AuthenticatedObject<Command>>.select(signer: PublicKey? = null, institution: Institution? = null) =
filter { it.value is T }.
filter { if (signer == null) true else it.signers.contains(signer) }.
filter { if (institution == null) true else it.signingInstitutions.contains(institution) }.
map { AuthenticatedObject<T>(it.signers, it.signingInstitutions, it.value as T) }
filter { if (signer == null) true else it.signers.contains(signer) }.
filter { if (institution == null) true else it.signingInstitutions.contains(institution) }.
map { AuthenticatedObject<T>(it.signers, it.signingInstitutions, it.value as T) }
inline fun <reified T : Command> List<AuthenticatedObject<Command>>.requireSingleCommand() = try {
select<T>().single()