com.r3corda.core.contracts.clauses / InterceptorClause

InterceptorClause

data class InterceptorClause : SingleClause

A clause which intercepts calls to a wrapped clause, and passes them through verification only from a pre-clause. This is similar to an inceptor in aspect orientated programming.



Constructors

<init> InterceptorClause(preclause: SingleVerify, clause: SingleClause)

A clause which intercepts calls to a wrapped clause, and passes them through verification only from a pre-clause. This is similar to an inceptor in aspect orientated programming.

Properties

clause val clause: SingleClause
ifMatched val ifMatched: MatchBehaviour

Behaviour if this clause is not matches

ifNotMatched val ifNotMatched: MatchBehaviour

Behaviour if this clause is matched

preclause val preclause: SingleVerify
requiredCommands val requiredCommands: Set<Class<out CommandData>>

Classes for commands which must ALL be present in transaction for this clause to be triggered

Functions

verify fun verify(tx: TransactionForContract, commands: Collection<AuthenticatedObject<CommandData>>): Set<CommandData>

Verify the transaction matches the conditions from this clause. For example, a "no zero amount output" clause would check each of the output states that it applies to, looking for a zero amount, and throw IllegalStateException if any matched.