DevToolsTracing class final Tracing

A tracing delegate that integrates CBL Dart with the Dart DevTools.

This tracing delegate records Timeline events, which can be viewed in Dart DevTools Performance Page.

Inheritance

Constructors

DevToolsTracing({OperationFilter operationFilter = defaultOperationFilter, OperationToStringResolver operationNameResolver = defaultOperationNameResolver, OperationDetailsResolver operationDetailsResolver = defaultOperationDetailsResolver})
A tracing delegate that integrates CBL Dart with the dart developer tools.

Properties

hashCode int
The hash code for this object.
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

captureTracingContext() Object?
Returns the current tracing context and is called just before a message is sent from an user to a worker isolate.
inherited
close() FutureOr<void>
Called after this delegate is no longer used as the current delegate.
inherited
createWorkerDelegate() TracingDelegate
Creates a new TracingDelegate to be used for a worker isolate, which is about to be created by the current isolate.
override
initialize() FutureOr<void>
Called before this delegate is used as the current delegate.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
onTraceData(Object? data) → void
Callback for receiving trace data from delegates in worker isolates.
inherited
restoreTracingContext(Object? context, void restore()) → void
Restores the tracing context and is called just after a message from a user isolate is received by a worker isolate.
inherited
sendTraceData(Object? data) → void
Allows this delegate to send arbitrary data to the delegate it was created by.
inherited
toString() String
A string representation of this object.
inherited
traceAsyncOperation<T>(TracedOperation operation, Future<T> execute()) Future<T>
Called when an asynchronous operation trace point is reached.
override
traceSyncOperation<T>(TracedOperation operation, T execute()) → T
Called when a synchronous operation trace point is reached.
override

Operators

operator ==(Object other) bool
The equality operator.
inherited

Static Methods

defaultOperationDetailsResolver(TracedOperation operation) Map<String, Object?>?
The default function to resolve details of a TracedOperation for its timeline events.
defaultOperationFilter(TracedOperation operation) bool
The default filter that is used to determine whether an operation should be recorded to the timeline.
defaultOperationNameResolver(TracedOperation operation) String
The default function to resolve the name of a TracedOperation for its timeline events.