Uses of Class
org.corfudb.runtime.view.Layout

Packages that use Layout

Package	Description
org.corfudb.infrastructure
org.corfudb.infrastructure.management
org.corfudb.infrastructure.orchestrator.actions
org.corfudb.protocols.wireprotocol
org.corfudb.runtime
org.corfudb.runtime.clients
org.corfudb.runtime.exceptions
org.corfudb.runtime.view
org.corfudb.runtime.view.workflows
org.corfudb.universe.node.client
org.corfudb.util

Uses of Layout in org.corfudb.infrastructure

Methods in org.corfudb.infrastructure that return Layout

Modifier and Type	Method and Description
Layout	ServerContext.copyManagementLayout() Fetches and creates a copy of the Management Layout from the local datastore.
Layout	LayoutServer.getCurrentLayout()
Layout	ServerContext.getCurrentLayout() Get the current Layout stored in the DataStore.
Layout	ServerContext.getManagementLayout() Fetches the management layout from the persistent datastore.
Layout	ServerContext.getNewSingleNodeLayout() Get a new single node layout used for self-bootstrapping a server started with the -s flag.
Layout	LayoutServer.getProposedLayout() Returns the proposed layout received in phase 2 data.

Methods in org.corfudb.infrastructure with parameters of type Layout

Modifier and Type	Method and Description
void	ServerContext.saveManagementLayout(Layout layout) Sets the management layout in the persistent datastore.
void	LayoutServer.setCurrentLayout(Layout layout) Sets the current layout in context DataStore.
void	ServerContext.setCurrentLayout(Layout layout) Set the current Layout stored in the DataStore.
void	LayoutServer.setLayoutInHistory(Layout layout)
void	ServerContext.setLayoutInHistory(Layout layout)

Method parameters in org.corfudb.infrastructure with type arguments of type Layout

Modifier and Type	Method and Description
void	ManagementServer.handleManagementBootstrap(CorfuPayloadMsg<Layout> msg, io.netty.channel.ChannelHandlerContext ctx, IServerRouter r) Bootstraps the management server.

Uses of Layout in org.corfudb.infrastructure.management

Methods in org.corfudb.infrastructure.management with parameters of type Layout

Modifier and Type	Method and Description
static boolean	ReconfigurationEventHandler.handleFailure(IReconfigurationHandlerPolicy failureHandlerPolicy, Layout currentLayout, CorfuRuntime corfuRuntime, Set<String> failedServers) Takes in the existing layout and a set of failed nodes.
static boolean	ReconfigurationEventHandler.handleMergeSegments(CorfuRuntime runtime, Layout layout, Duration retryQueryTimeout) Launches a workflow to restore redundancy and merge all segments.
PollReport	IDetector.poll(Layout layout, CorfuRuntime corfuRuntime, SequencerMetrics sequencerMetrics) Executes the detector which runs the failure or healing detecting algorithm.
PollReport	FailureDetector.poll(Layout layout, CorfuRuntime corfuRuntime, SequencerMetrics sequencerMetrics) Executes the policy once.
void	ClusterStateContext.refreshClusterView(Layout layout, PollReport report) Refreshes the cluster view based on the local endpoint and the snapshot epoch at which the node states are updated.

Uses of Layout in org.corfudb.infrastructure.orchestrator.actions

Methods in org.corfudb.infrastructure.orchestrator.actions with parameters of type Layout

Modifier and Type	Method and Description
static void	StateTransfer.transfer(Layout layout, Set<String> endpoints, CorfuRuntime runtime, Layout.LayoutSegment segment) Fetch and propagate the trimMark to the new/healing nodes.

Uses of Layout in org.corfudb.protocols.wireprotocol

Constructors in org.corfudb.protocols.wireprotocol with parameters of type Layout

Constructor and Description
LayoutCommittedRequest(long epoch, Layout layout)
LayoutMsg(Layout layout, CorfuMsgType type)

Uses of Layout in org.corfudb.runtime

Fields in org.corfudb.runtime with type parameters of type Layout

Modifier and Type	Field and Description
CompletableFuture<Layout>	CorfuRuntime.layout A completable future containing a layout, when completed.

Methods in org.corfudb.runtime with parameters of type Layout

Modifier and Type	Method and Description
static void	BootstrapUtil.bootstrap(Layout layout, CorfuRuntime.CorfuRuntimeParameters corfuRuntimeParameters, int retries, Duration retryDuration) Bootstraps the given layout.
static void	BootstrapUtil.bootstrap(Layout layout, int retries, Duration retryDuration) Bootstraps the given layout.

Uses of Layout in org.corfudb.runtime.clients

Methods in org.corfudb.runtime.clients that return types with arguments of type Layout

Modifier and Type	Method and Description
CompletableFuture<Layout>	LayoutClient.getLayout() Retrieves the layout from the endpoint, asynchronously.
CompletableFuture<Layout>	ManagementClient.getLayout() Requests for the layout persisted by the management server.

Methods in org.corfudb.runtime.clients with parameters of type Layout

Modifier and Type	Method and Description
CompletableFuture<Boolean>	LayoutClient.bootstrapLayout(Layout l) Bootstraps a layout server.
CompletableFuture<Boolean>	ManagementClient.bootstrapManagement(Layout l) Bootstraps a management server.
CompletableFuture<Boolean>	LayoutClient.committed(long epoch, Layout layout) Informs the server that the proposal (layout) has been committed to a quorum.
CompletableFuture<Boolean>	LayoutClient.force(Layout layout) Send a force commit layout request to a layout server
CompletableFuture<Boolean>	LayoutClient.propose(long epoch, long rank, Layout layout) Begins phase 2 of a Paxos round with a propose message.

Uses of Layout in org.corfudb.runtime.exceptions

Constructors in org.corfudb.runtime.exceptions with parameters of type Layout

Constructor and Description
OutrankedException(long newRank, Layout layout) Constructor.

Uses of Layout in org.corfudb.runtime.view

Fields in org.corfudb.runtime.view with type parameters of type Layout

Modifier and Type	Field and Description
static Comparator<Layout>	Layout.LAYOUT_COMPARATOR Sorting layouts according to epochs in descending order

Methods in org.corfudb.runtime.view that return Layout

Modifier and Type	Method and Description
Layout	LayoutBuilder.build() Builds and returns the layout with the modified attributes.
Layout	LayoutDeserializer.deserialize(com.google.gson.JsonElement arg0, Type arg1, com.google.gson.JsonDeserializationContext arg2)
static Layout	Layout.fromJSONString(String json) Get a layout from a JSON string.
Layout	IFailureHandlerPolicy.generateLayout(Layout currentLayout, CorfuRuntime corfuRuntime, Set<String> failedNodes, Set<String> healedNodes) Generates a new layout based on the set of failures.
Layout	IReconfigurationHandlerPolicy.generateLayout(Layout currentLayout, CorfuRuntime corfuRuntime, Set<String> failedNodes, Set<String> healedNodes) Generates a new layout based on the set of failures.
Layout	ConservativeFailureHandlerPolicy.generateLayout(Layout originalLayout, CorfuRuntime corfuRuntime, Set<String> failedNodes, Set<String> healedNodes) Modifies the layout by marking the failed nodes as unresponsive but still keeping them in the layout and sequencer servers lists.
Layout	AbstractView.getCurrentLayout() Get the current layout.
Layout	LayoutView.getLayout() Retrieves current layout.
Layout	LayoutView.prepare(long epoch, long rank) Sends prepare to the current layout and can proceed only if it is accepted by a quorum.
Layout	LayoutView.propose(long epoch, long rank, Layout layout) Proposes new layout to all the servers in the current layout.

Methods in org.corfudb.runtime.view with parameters of type Layout

Modifier and Type	Method and Description
void	LayoutManagementView.addLogUnitReplica(Layout currentLayout, String endpoint, int stripeIndex) Add the log unit to the segment to increase redundancy.
void	LayoutManagementView.addNode(Layout currentLayout, String endpoint, boolean isLayoutServer, boolean isSequencerServer, boolean isLogUnitServer, boolean isUnresponsiveServer, int logUnitStripeIndex) Adds a new node to the existing layout.
CompletableFuture<Boolean>	LayoutManagementView.asyncSequencerBootstrap(Layout layout, ExecutorService service) Triggers a new task to bootstrap the sequencer for the specified layout.
boolean	LayoutManagementView.attemptClusterRecovery(Layout recoveryLayout) On restart, if MANAGEMENT_LAYOUT exists in the local datastore.
void	LayoutView.committed(long epoch, Layout layout) Send committed layout to the old Layout servers and the new Layout Servers.
void	LayoutView.committed(long epoch, Layout layout, boolean force) Send committed layout to the old Layout servers and the new Layout Servers.
void	LayoutManagementView.forceLayout(Layout currentLayout, Layout forceLayout) Attempts to force commit a new layout to the cluster.
Layout	IFailureHandlerPolicy.generateLayout(Layout currentLayout, CorfuRuntime corfuRuntime, Set<String> failedNodes, Set<String> healedNodes) Generates a new layout based on the set of failures.
Layout	IReconfigurationHandlerPolicy.generateLayout(Layout currentLayout, CorfuRuntime corfuRuntime, Set<String> failedNodes, Set<String> healedNodes) Generates a new layout based on the set of failures.
Layout	ConservativeFailureHandlerPolicy.generateLayout(Layout originalLayout, CorfuRuntime corfuRuntime, Set<String> failedNodes, Set<String> healedNodes) Modifies the layout by marking the failed nodes as unresponsive but still keeping them in the layout and sequencer servers lists.
abstract int	Layout.ReplicationMode.getMinReplicationFactor(Layout layout, Layout.LayoutStripe stripe) Compute the min replication factor for the log unit servers in the replication protocol for a specific stripe.
RuntimeLayout	LayoutView.getRuntimeLayout(Layout layout)
void	LayoutManagementView.handleFailure(IReconfigurationHandlerPolicy failureHandlerPolicy, Layout currentLayout, Set<String> failedServers) Takes in the existing layout and a set of failed nodes.
void	LayoutManagementView.healNode(Layout currentLayout, String endpoint) Heals an existing node in the layout.
void	LayoutManagementView.mergeSegments(Layout currentLayout) Attempts to merge the last 2 segments.
Layout	LayoutView.propose(long epoch, long rank, Layout layout) Proposes new layout to all the servers in the current layout.
void	LayoutManagementView.reconfigureSequencerServers(Layout originalLayout, Layout newLayout, boolean forceReconfigure) Reconfigures the sequencer.
void	LayoutManagementView.removeNode(Layout currentLayout, String endpoint) Best effort attempt to removes a node from the layout.
void	LayoutView.updateLayout(Layout layout, long rank) Drives the consensus protocol for persisting the new Layout.

Method parameters in org.corfudb.runtime.view with type arguments of type Layout

Modifier and Type	Method and Description
<T,A extends RuntimeException,B extends RuntimeException,C extends RuntimeException,D extends RuntimeException> T	AbstractView.layoutHelper(AbstractView.LayoutFunction<Layout,T,A,B,C,D> function)
<T,A extends RuntimeException,B extends RuntimeException,C extends RuntimeException,D extends RuntimeException> T	AbstractView.layoutHelper(AbstractView.LayoutFunction<Layout,T,A,B,C,D> function, boolean rethrowAllExceptions) Helper function for view to retrieve layouts.

Constructors in org.corfudb.runtime.view with parameters of type Layout

Constructor and Description
Layout(Layout layout) Layout copy constructor.
LayoutBuilder(Layout layout) Copies the attributes of the layout to make modifications.
RuntimeLayout(Layout layout, CorfuRuntime corfuRuntime) Constructor taking a reference of the layout to stamp the clients.

Uses of Layout in org.corfudb.runtime.view.workflows

Methods in org.corfudb.runtime.view.workflows with parameters of type Layout

Modifier and Type	Method and Description
protected ManagementClient	WorkflowRequest.getOrchestrator(Layout layout) Select an orchestrator and return a client.
protected boolean	RemoveNode.verifyRequest(Layout layout)
protected boolean	AddNode.verifyRequest(Layout layout)
protected boolean	RestoreRedundancyMergeSegments.verifyRequest(Layout layout) Verify request has been completed if the layout contains only one segment.
protected boolean	HealNode.verifyRequest(Layout layout)
protected abstract boolean	WorkflowRequest.verifyRequest(Layout layout) Infer the completion of the request by inspecting the layout

Uses of Layout in org.corfudb.universe.node.client

Methods in org.corfudb.universe.node.client that return Layout

Modifier and Type	Method and Description
Layout	CorfuClient.getLayout() See LayoutView.getLayout()
Layout	LocalCorfuClient.getLayout()

Uses of Layout in org.corfudb.util

Methods in org.corfudb.util with parameters of type Layout

Modifier and Type	Method and Description
static TailsResponse	Utils.getAllTails(Layout layout, CorfuRuntime runtime) Fetches the max global log tail and all stream tails from the log unit cluster.
static StreamsAddressResponse	Utils.getLogAddressSpace(Layout layout, CorfuRuntime runtime) Retrieve the space of addresses of the log, i.e., for all streams in the log.
static long	Utils.getLogTail(Layout layout, CorfuRuntime runtime) Get global log tail.