corda / net.corda.core.contracts / kotlin.collections.Collection

Extensions for kotlin.collections.Collection

requireSingleCommand

fun <T : CommandData> Collection<CommandWithParties<CommandData>>.requireSingleCommand(): CommandWithParties<T>
fun <C : CommandData> Collection<CommandWithParties<CommandData>>.requireSingleCommand(klass: Class<C>): CommandWithParties<C>

Ensures that a transaction has only one command that is of the given type, otherwise throws an exception.

select

fun <T : CommandData> Collection<CommandWithParties<CommandData>>.select(signer: PublicKey? = null, party: AbstractParty? = null): List<CommandWithParties<T>>
fun <C : CommandData> Collection<CommandWithParties<CommandData>>.select(klass: Class<C>, signer: PublicKey? = null, party: AbstractParty? = null): List<CommandWithParties<C>>

Filters the command list by type, party and public key all at once.

fun <T : CommandData> Collection<CommandWithParties<CommandData>>.select(signers: Collection<PublicKey>?, parties: Collection<Party>?): List<CommandWithParties<T>>
fun <C : CommandData> Collection<CommandWithParties<CommandData>>.select(klass: Class<C>, signers: Collection<PublicKey>?, parties: Collection<Party>?): List<CommandWithParties<C>>

Filters the command list by type, parties and public keys all at once.