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client: Add stubs/todo for handling state snapshots

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This commit is contained in:
Andras Slemmer 2016-09-06 12:29:23 +01:00
parent 3acbda53e4
commit e235375a89
4 changed files with 20 additions and 9 deletions
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9
client/src/main/kotlin/com/r3corda/client/WalletMonitorClient.kt
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@ -24,7 +24,8 @@ class WalletMonitorClient(
val net: MessagingService,
val node: NodeInfo,
val outEvents: Observable<ClientToServiceCommand>,
val inEvents: Observer<ServiceToClientEvent>
val inEvents: Observer<ServiceToClientEvent>,
val snapshot: Observer<StateSnapshotMessage>
) {
private val sessionID = random63BitValue()
@ -37,8 +38,10 @@ class WalletMonitorClient(
net.removeMessageHandler(reg)
future.set(resp.success)
}
net.addMessageHandler(WalletMonitorService.STATE_TOPIC, sessionID) { msg, req ->
// TODO
net.addMessageHandler(WalletMonitorService.STATE_TOPIC, sessionID) { msg, reg ->
val snapshotMessage = msg.data.deserialize<StateSnapshotMessage>()
net.removeMessageHandler(reg)
snapshot.onNext(snapshotMessage)
}
net.addMessageHandler(WalletMonitorService.IN_EVENT_TOPIC, sessionID) { msg, reg ->

3
client/src/main/kotlin/com/r3corda/client/model/ContractStateModel.kt
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@ -6,6 +6,7 @@ import com.r3corda.core.contracts.StateAndRef
import com.r3corda.core.contracts.StateRef
import com.r3corda.client.fxutils.foldToObservableList
import com.r3corda.node.services.monitor.ServiceToClientEvent
import com.r3corda.node.services.monitor.StateSnapshotMessage
import javafx.collections.ObservableList
import kotlinx.support.jdk8.collections.removeIf
import rx.Observable
@ -20,10 +21,12 @@ class StatesDiff<out T : ContractState>(
*/
class ContractStateModel {
private val serviceToClient: Observable<ServiceToClientEvent> by observable(WalletMonitorModel::serviceToClient)
private val snapshot: Observable<StateSnapshotMessage> by observable(WalletMonitorModel::snapshot)
private val outputStates = serviceToClient.ofType(ServiceToClientEvent.OutputState::class.java)
val contractStatesDiff = outputStates.map { StatesDiff(it.produced, it.consumed) }
// We filter the diff first rather than the complete contract state list.
// TODO wire up snapshot once it holds StateAndRefs
val cashStatesDiff = contractStatesDiff.map {
StatesDiff(it.added.filterIsInstance<StateAndRef<Cash.State>>(), it.removed)
}

7
client/src/main/kotlin/com/r3corda/client/model/WalletMonitorModel.kt
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@ -5,6 +5,7 @@ import com.r3corda.core.contracts.ClientToServiceCommand
import com.r3corda.core.messaging.MessagingService
import com.r3corda.core.node.NodeInfo
import com.r3corda.node.services.monitor.ServiceToClientEvent
import com.r3corda.node.services.monitor.StateSnapshotMessage
import rx.Observable
import rx.Observer
import rx.subjects.PublishSubject
@ -19,6 +20,9 @@ class WalletMonitorModel {
private val serviceToClientSource = PublishSubject.create<ServiceToClientEvent>()
val serviceToClient: Observable<ServiceToClientEvent> = serviceToClientSource
private val snapshotSource = PublishSubject.create<StateSnapshotMessage>()
val snapshot: Observable<StateSnapshotMessage> = snapshotSource
/**
* Register for updates to/from a given wallet.
* @param messagingService The messaging to use for communication.
@ -30,7 +34,8 @@ class WalletMonitorModel {
messagingService,
walletMonitorNodeInfo,
clientToServiceSource,
serviceToClientSource
serviceToClientSource,
snapshotSource
)
require(monitorClient.register().get())
}

10
client/src/test/kotlin/com/r3corda/client/WalletMonitorClientTests.kt
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@ -15,9 +15,9 @@ import org.slf4j.LoggerFactory
import rx.subjects.PublishSubject
import kotlin.test.fail
val log: Logger = LoggerFactory.getLogger(WalletMonitorServiceTests::class.java)
val log: Logger = LoggerFactory.getLogger(WalletMonitorClientTests::class.java)
class WalletMonitorServiceTests {
class WalletMonitorClientTests {
@Test
fun cashIssueWorksEndToEnd() {
driver {
@ -34,7 +34,7 @@ class WalletMonitorServiceTests {
val aliceInStream = PublishSubject.create<ServiceToClientEvent>()
val aliceOutStream = PublishSubject.create<ClientToServiceCommand>()
val aliceMonitorClient = WalletMonitorClient(client, aliceNode, aliceOutStream, aliceInStream)
val aliceMonitorClient = WalletMonitorClient(client, aliceNode, aliceOutStream, aliceInStream, PublishSubject.create())
require(aliceMonitorClient.register().get())
aliceOutStream.onNext(ClientToServiceCommand.IssueCash(
@ -77,7 +77,7 @@ class WalletMonitorServiceTests {
val aliceInStream = PublishSubject.create<ServiceToClientEvent>()
val aliceOutStream = PublishSubject.create<ClientToServiceCommand>()
val aliceMonitorClient = WalletMonitorClient(client, aliceNode, aliceOutStream, aliceInStream)
val aliceMonitorClient = WalletMonitorClient(client, aliceNode, aliceOutStream, aliceInStream, PublishSubject.create())
require(aliceMonitorClient.register().get())
aliceOutStream.onNext(ClientToServiceCommand.IssueCash(
@ -185,7 +185,7 @@ class WalletMonitorServiceTests {
val aliceInStream = PublishSubject.create<ServiceToClientEvent>()
val aliceOutStream = PublishSubject.create<ClientToServiceCommand>()
val aliceMonitorClient = WalletMonitorClient(client, aliceNode, aliceOutStream, aliceInStream)
val aliceMonitorClient = WalletMonitorClient(client, aliceNode, aliceOutStream, aliceInStream, PublishSubject.create())
require(aliceMonitorClient.register().get())
aliceOutStream.onNext(ClientToServiceCommand.IssueCash(