FlowSession docs (#1693)

* FlowSession docs (#1660)

* FlowSession docs

* PR comments

* Milder example flow name
This commit is contained in:
Andras Slemmer
2017-09-28 16:29:24 +01:00
committed by josecoll
parent 1723838a59
commit 73e3690596
7 changed files with 327 additions and 36 deletions

View File

@ -570,6 +570,13 @@ public class FlowCookbookJava {
SignedTransaction notarisedTx2 = subFlow(new FinalityFlow(fullySignedTx, additionalParties, FINALISATION.childProgressTracker()));
// DOCEND 10
// DOCSTART FlowSession porting
send(regulator, new Object()); // Old API
// becomes
FlowSession session = initiateFlow(regulator);
session.send(new Object());
// DOCEND FlowSession porting
return null;
}
}

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@ -122,6 +122,10 @@ object FlowCookbook {
throw IllegalArgumentException("Couldn't find counterparty with key: $dummyPubKey in identity service")
// DOCEND 2
// DOCSTART initiateFlow
val counterpartySession = initiateFlow(counterparty)
// DOCEND initiateFlow
/**-----------------------------
* SENDING AND RECEIVING DATA *
-----------------------------**/
@ -138,7 +142,6 @@ object FlowCookbook {
// registered to respond to this flow, and has a corresponding
// ``receive`` call.
// DOCSTART 4
val counterpartySession = initiateFlow(counterparty)
counterpartySession.send(Any())
// DOCEND 4
@ -497,7 +500,7 @@ object FlowCookbook {
// other required signers using ``CollectSignaturesFlow``.
// The responder flow will need to call ``SignTransactionFlow``.
// DOCSTART 15
val fullySignedTx: SignedTransaction = subFlow(CollectSignaturesFlow(twiceSignedTx, emptySet(), SIGS_GATHERING.childProgressTracker()))
val fullySignedTx: SignedTransaction = subFlow(CollectSignaturesFlow(twiceSignedTx, setOf(counterpartySession, regulatorSession), SIGS_GATHERING.childProgressTracker()))
// DOCEND 15
/**-----------------------
@ -541,6 +544,13 @@ object FlowCookbook {
val additionalParties: Set<Party> = setOf(regulator)
val notarisedTx2: SignedTransaction = subFlow(FinalityFlow(fullySignedTx, additionalParties, FINALISATION.childProgressTracker()))
// DOCEND 10
// DOCSTART FlowSession porting
send(regulator, Any()) // Old API
// becomes
val session = initiateFlow(regulator)
session.send(Any())
// DOCEND FlowSession porting
}
}

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@ -0,0 +1,99 @@
package net.corda.docs
import co.paralleluniverse.fibers.Suspendable
import net.corda.core.flows.FlowLogic
import net.corda.core.flows.FlowSession
import net.corda.core.flows.InitiatedBy
import net.corda.core.flows.InitiatingFlow
import net.corda.core.identity.Party
import net.corda.core.utilities.unwrap
// DOCSTART LaunchSpaceshipFlow
@InitiatingFlow
class LaunchSpaceshipFlow : FlowLogic<Unit>() {
@Suspendable
override fun call() {
val shouldLaunchSpaceship = receive<Boolean>(getPresident()).unwrap { it }
if (shouldLaunchSpaceship) {
launchSpaceship()
}
}
fun launchSpaceship() {
}
fun getPresident(): Party {
TODO()
}
}
@InitiatedBy(LaunchSpaceshipFlow::class)
@InitiatingFlow
class PresidentSpaceshipFlow(val launcher: Party) : FlowLogic<Unit>() {
@Suspendable
override fun call() {
val needCoffee = true
send(getSecretary(), needCoffee)
val shouldLaunchSpaceship = false
send(launcher, shouldLaunchSpaceship)
}
fun getSecretary(): Party {
TODO()
}
}
@InitiatedBy(PresidentSpaceshipFlow::class)
class SecretaryFlow(val president: Party) : FlowLogic<Unit>() {
@Suspendable
override fun call() {
// ignore
}
}
// DOCEND LaunchSpaceshipFlow
// DOCSTART LaunchSpaceshipFlowCorrect
@InitiatingFlow
class LaunchSpaceshipFlowCorrect : FlowLogic<Unit>() {
@Suspendable
override fun call() {
val presidentSession = initiateFlow(getPresident())
val shouldLaunchSpaceship = presidentSession.receive<Boolean>().unwrap { it }
if (shouldLaunchSpaceship) {
launchSpaceship()
}
}
fun launchSpaceship() {
}
fun getPresident(): Party {
TODO()
}
}
@InitiatedBy(LaunchSpaceshipFlowCorrect::class)
@InitiatingFlow
class PresidentSpaceshipFlowCorrect(val launcherSession: FlowSession) : FlowLogic<Unit>() {
@Suspendable
override fun call() {
val needCoffee = true
val secretarySession = initiateFlow(getSecretary())
secretarySession.send(needCoffee)
val shouldLaunchSpaceship = false
launcherSession.send(shouldLaunchSpaceship)
}
fun getSecretary(): Party {
TODO()
}
}
@InitiatedBy(PresidentSpaceshipFlowCorrect::class)
class SecretaryFlowCorrect(val presidentSession: FlowSession) : FlowLogic<Unit>() {
@Suspendable
override fun call() {
// ignore
}
}
// DOCEND LaunchSpaceshipFlowCorrect