Package com.inductiveautomation.perspective.gateway.model

Class PageModel

java.lang.Object

com.inductiveautomation.ignition.common.lifecycle.AbstractLifecycle

com.inductiveautomation.perspective.gateway.model.PageModel

All Implemented Interfaces:

AuditingContext, LoggingContext, Page, PerspectiveElement, PropertyTreeOwner

Direct Known Subclasses:

DesignerPageModel

public class PageModel
extends AbstractLifecycle
implements Page

A page contains a number of views all running within the same web page, or tab. A given session may contain multiple pages running concurrently when the user has opened multiple tabs for the same project.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	PageModel.Handlers

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.concurrent.atomic.AtomicReference<MessageChannel>	channel
protected long	created
com.inductiveautomation.ignition.common.gson.Gson	gson
protected PageModel.Handlers	handlers
protected java.lang.String	id	identifier of this view group.
protected long	lastKeepalive
LoggerEx	log
static java.lang.ThreadLocal<PageModel>	PAGE
protected PropertyTree	props
protected long	roundtrip
InternalSession	session
protected com.inductiveautomation.perspective.gateway.model.PropertySyncManager	syncManager
protected java.util.function.Function<java.lang.String,java.util.concurrent.CompletableFuture<java.util.Optional<ViewConfig>>>	viewConfigLoader
protected java.util.Map<ViewInstanceId,ViewModel>	views

Constructor Summary

Constructors

Constructor	Description
PageModel(InternalSession session, com.inductiveautomation.ignition.common.gson.Gson gson, LoggerEx log, java.lang.String pageId)

Method Summary

Modifier and Type	Method	Description
com.inductiveautomation.ignition.common.gson.JsonObject	briefReport()	Generates a brief report of the current views and their values for status pages.
void	close(java.lang.String message)
protected PageModel.Handlers	createHandlers(com.inductiveautomation.ignition.common.gson.Gson gson, LoggerEx log)
PropertyReference	createPropertyReference(java.lang.String referencePath, java.util.function.Consumer<PropertyTreeChangeEvent> subscriber, java.util.Set<Origin> acceptableOrigins)	Create a PropertyReference with this PerspectiveElement as the target.
protected java.util.function.Function<java.lang.String,java.util.concurrent.CompletableFuture<java.util.Optional<ViewConfig>>>	createViewConfigLoader()
void	disconnect()
AuditContext.Builder	getAuditSnapshot()
long	getCreated()
java.lang.String	getId()
LoggerEx	getLogger()
LoggingContext	getMdcParent()
java.lang.String	getName()
Page	getPage()
com.google.common.eventbus.EventBus	getPageEventBus()
PropertyTree	getPropertyTreeOf(PropertyType propertyType)	Fetch the PropertyTree associated with the given PropertyType
InternalSession	getSession()
View	getView()
java.util.List<ViewModel>	getViews()
boolean	isConnected()
protected boolean	isViewAuthorized(ViewInstanceId viewInstanceId, ViewConfig viewConfig)
void	mdcSetup()	Set up the MDC keys for this context
void	mdcTeardown()	Tear down the MDC keys that are added in #mdcSetup
void	notifyConnected(MessageChannel channel)
void	notifyDisconnected(MessageChannel channel)
void	notifyProjectUpdated()
void	onKeepaliveReceived(long timestamp)	When the route /data/perspective/keepalive is fetched, it will route back to here
void	onSessionPropertyChange(PropertyType propertyType, PropertyTreeChangeEvent changeEvent)	Called from the session when the session properties change.
protected void	onShutdown()
protected void	onStartup()
void	receive(MessageChannel channel, java.lang.String protocol, java.io.Reader payload)
com.inductiveautomation.ignition.common.gson.JsonObject	report()	Generates a full report of the current views and their values.
void	send(java.lang.String protocol, com.inductiveautomation.ignition.common.gson.JsonElement payload)
void	send(java.lang.String protocol, java.lang.String payload)
void	sendGatewayLastActiveTime(long timestamp, long idleTime)
void	sendKeepalive()	Sends a keepalive message down the websocket channel.
void	setPageTimeout(java.util.concurrent.ScheduledFuture<?> pageTimeout)
void	updateModulesInfo(java.util.List<GatewayModule> modules)

Methods inherited from class com.inductiveautomation.ignition.common.lifecycle.AbstractLifecycle

isRunning, shutdown, startup

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.inductiveautomation.perspective.gateway.api.AuditingContext

audit

Methods inherited from interface com.inductiveautomation.perspective.gateway.api.LoggingContext

mdc, mdcSetupTree, mdcTeardownTree, mdcWrap

Methods inherited from interface com.inductiveautomation.perspective.gateway.api.PerspectiveElement

getAuditProfile, getQualifiedPath

Field Detail

PAGE

public static final java.lang.ThreadLocal<PageModel> PAGE

session

public final InternalSession session

gson

public final com.inductiveautomation.ignition.common.gson.Gson gson

log

public final LoggerEx log

id

protected final java.lang.String id

identifier of this view group. will be unique per tab open for a project

created

protected final long created

views

protected final java.util.Map<ViewInstanceId,ViewModel> views

syncManager

protected final com.inductiveautomation.perspective.gateway.model.PropertySyncManager syncManager

channel

protected final java.util.concurrent.atomic.AtomicReference<MessageChannel> channel

handlers

protected final PageModel.Handlers handlers

viewConfigLoader

protected final java.util.function.Function<java.lang.String,java.util.concurrent.CompletableFuture<java.util.Optional<ViewConfig>>> viewConfigLoader

props

protected final PropertyTree props

lastKeepalive

protected volatile long lastKeepalive

roundtrip

protected volatile long roundtrip

Constructor Detail

PageModel

public PageModel(@Nonnull
                 InternalSession session,
                 @Nonnull
                 com.inductiveautomation.ignition.common.gson.Gson gson,
                 @Nonnull
                 LoggerEx log,
                 @Nonnull
                 java.lang.String pageId)

Method Detail

getPage

@Nullable
public Page getPage()

Specified by:

getPage in interface PerspectiveElement

Returns:

The Page that this element is part of. Will return null if this is the Session

getView

@Nullable
public View getView()

Specified by:

getView in interface PerspectiveElement

Returns:

The view within which this element exists, or null if this is a Page or Session

getName

@Nonnull
public java.lang.String getName()

Specified by:

getName in interface PerspectiveElement

Returns:

The name of the element. If this is a component, it will be the name of the component. If this is a View, the name will be "view". If this is a Page, the name will be "page". If this is the session, the name will be "session".

getSession

@Nonnull
public InternalSession getSession()

Specified by:

getSession in interface PerspectiveElement

Returns:

The session that this element is a part of.

createPropertyReference

@Nonnull
public PropertyReference createPropertyReference(java.lang.String referencePath,
                                                 java.util.function.Consumer<PropertyTreeChangeEvent> subscriber,
                                                 java.util.Set<Origin> acceptableOrigins)

Description copied from interface: PerspectiveElement

Create a PropertyReference with this PerspectiveElement as the target.

Specified by:

createPropertyReference in interface PerspectiveElement

Parameters:

referencePath - the path to the property

subscriber - the subscriber - a Consumer of PropertyTreeChangeEvents

acceptableOrigins - the Set of Origins in which the subscriber is interested

Returns:

the PropertyReference

getPropertyTreeOf

@Nullable
public PropertyTree getPropertyTreeOf(@Nullable
                                      PropertyType propertyType)

Description copied from interface: PropertyTreeOwner

Fetch the PropertyTree associated with the given PropertyType

Specified by:

getPropertyTreeOf in interface PropertyTreeOwner

Parameters:

propertyType - The PropertyType of the PropertyTree we want to fetch

Returns:

The PropertyTree or null if this PropertyTreeOwner does not manage a PropertyTree for the given PropertyType or if a null PropertyType is given

getPageEventBus

public com.google.common.eventbus.EventBus getPageEventBus()

Specified by:

getPageEventBus in interface Page

createViewConfigLoader

protected java.util.function.Function<java.lang.String,java.util.concurrent.CompletableFuture<java.util.Optional<ViewConfig>>> createViewConfigLoader()

createHandlers

protected PageModel.Handlers createHandlers(com.inductiveautomation.ignition.common.gson.Gson gson,
                                            LoggerEx log)

getId

public java.lang.String getId()

Specified by:

getId in interface Page

getCreated

public long getCreated()

Specified by:

getCreated in interface Page

getViews

public java.util.List<ViewModel> getViews()

Specified by:

getViews in interface Page

getLogger

public LoggerEx getLogger()

Specified by:

getLogger in interface LoggingContext

getMdcParent

@Nullable
public LoggingContext getMdcParent()

Specified by:

getMdcParent in interface LoggingContext

mdcSetup

public void mdcSetup()

Description copied from interface: LoggingContext

Set up the MDC keys for this context

Specified by:

mdcSetup in interface LoggingContext

mdcTeardown

public void mdcTeardown()

Description copied from interface: LoggingContext

Tear down the MDC keys that are added in #mdcSetup

Specified by:

mdcTeardown in interface LoggingContext

notifyProjectUpdated

public void notifyProjectUpdated()

send

public void send(java.lang.String protocol,
                 com.inductiveautomation.ignition.common.gson.JsonElement payload)
          throws java.io.IOException

Throws:

java.io.IOException

send

public void send(java.lang.String protocol,
                 java.lang.String payload)
          throws java.io.IOException

Specified by:

send in interface Page

Throws:

java.io.IOException

receive

public void receive(MessageChannel channel,
                    java.lang.String protocol,
                    java.io.Reader payload)

isConnected

public boolean isConnected()

Specified by:

isConnected in interface Page

notifyConnected

public void notifyConnected(MessageChannel channel)

notifyDisconnected

public void notifyDisconnected(MessageChannel channel)

setPageTimeout

public void setPageTimeout(java.util.concurrent.ScheduledFuture<?> pageTimeout)

onSessionPropertyChange

public void onSessionPropertyChange(PropertyType propertyType,
                                    PropertyTreeChangeEvent changeEvent)

Called from the session when the session properties change. Puts the changes into the accumulator inside the sync manager.

Parameters:

propertyType - The PropertyType of the session's PropertyTree which fired the PropertyTreeChangeEvent

changeEvent - The PropertyTreeChangeEvent fired from the session's PropertyTree

report

public com.inductiveautomation.ignition.common.gson.JsonObject report()

Generates a full report of the current views and their values.

Returns:

a json object containing the full property tree for the current executing project/session

briefReport

public com.inductiveautomation.ignition.common.gson.JsonObject briefReport()

Generates a brief report of the current views and their values for status pages.

Returns:

a json array containing brief info on the current executing project/session

sendKeepalive

public void sendKeepalive()

Sends a keepalive message down the websocket channel. This will provoke the page's frontend code to HTTP GET the route at /data/perspective/keepalive

sendGatewayLastActiveTime

public void sendGatewayLastActiveTime(long timestamp,
                                      long idleTime)

onKeepaliveReceived

public void onKeepaliveReceived(long timestamp)

When the route /data/perspective/keepalive is fetched, it will route back to here

isViewAuthorized

protected boolean isViewAuthorized(@Nonnull
                                   ViewInstanceId viewInstanceId,
                                   @Nonnull
                                   ViewConfig viewConfig)

updateModulesInfo

public void updateModulesInfo(java.util.List<GatewayModule> modules)

onStartup

protected void onStartup()

Specified by:

onStartup in class AbstractLifecycle

onShutdown

protected void onShutdown()

Specified by:

onShutdown in class AbstractLifecycle

disconnect

public void disconnect()

close

public void close(@Nullable
                  java.lang.String message)

Specified by:

close in interface Page

getAuditSnapshot

@Nonnull
public AuditContext.Builder getAuditSnapshot()

Specified by:

getAuditSnapshot in interface AuditingContext

Returns:

A new, or extended, AuditContext.Builder, with qualified information about the current scope.