BaseChatPromptTemplate class abstract base

Base class for chat prompt templates.

It exposes two methods:

Inheritance
Implementers
Annotations
  • @immutable

Constructors

BaseChatPromptTemplate({required Set<String> inputVariables, PartialValues? partialVariables})
Base class for chat prompt templates.
const

Properties

defaultOptions BaseLangChainOptions
The default options to use when invoking the Runnable.
finalinherited
hashCode int
The hash code for this object.
no setterinherited
inputVariables Set<String>
A set of the names of the variables the prompt template expects.
finalinherited
partialVariables PartialValues?
Partial variables.
finalinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
type String
The type of the prompt template.
no setterinherited

Methods

batch(List<InputValues> inputs, {List<BaseLangChainOptions>? options}) Future<List<PromptValue>>
Batches the invocation of the Runnable on the given inputs.
inherited
bind(BaseLangChainOptions options) RunnableBinding<InputValues, BaseLangChainOptions, PromptValue>
Binds the Runnable to the given options.
inherited
close() → void
Cleans up any resources associated with it the Runnable.
inherited
copyWith({Set<String>? inputVariables, Map<String, dynamic>? partialVariables}) BasePromptTemplate
Copy the prompt template with the given parameters.
inherited
format(InputValues values) String
Format the prompt given the input values and return a formatted string.
override
formatMessages(InputValues values) List<ChatMessage>
Format input values into a list of messages.
formatPrompt(InputValues values) PromptValue
Format the prompt given the input values and return a formatted prompt value.
override
getCompatibleOptions(RunnableOptions? options) BaseLangChainOptions?
Returns the given options if they are compatible with the Runnable, otherwise returns null.
inherited
invoke(InputValues input, {BaseLangChainOptions? options}) Future<PromptValue>
Format the prompt given the input values and return a formatted prompt value.
inherited
mergePartialAndUserVariables(Map<String, dynamic> userVariables) Map<String, Object>
Merge the partial variables with the user variables.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
partial(PartialValues values) BasePromptTemplate
Return a partial of the prompt template.
inherited
pipe<NewRunOutput extends Object?, NewCallOptions extends RunnableOptions>(Runnable<PromptValue, NewCallOptions, NewRunOutput> next) RunnableSequence<InputValues, NewRunOutput>
Pipes the output of this Runnable into another Runnable using a RunnableSequence.
inherited
stream(InputValues input, {BaseLangChainOptions? options}) Stream<PromptValue>
Streams the output of invoking the Runnable on the given input.
inherited
streamFromInputStream(Stream<InputValues> inputStream, {BaseLangChainOptions? options}) Stream<PromptValue>
Streams the output of invoking the Runnable on the given inputStream.
inherited
toString() String
A string representation of this object.
inherited
validateTemplate() → void
Validate the integrity of the prompt template, checking that all the variables are present and that the right format is used.
inherited
withFallbacks(List<Runnable<InputValues, RunnableOptions, PromptValue>> fallbacks) RunnableWithFallback<InputValues, PromptValue>
Adds fallback runnables to be invoked if the primary runnable fails.
inherited
withRetry({int maxRetries = 3, FutureOr<bool> retryIf(Object e)?, List<Duration?>? delayDurations, bool addJitter = false}) RunnableRetry<InputValues, PromptValue>
Adds retry logic to an existing runnable.
inherited

Operators

operator ==(covariant BasePromptTemplate other) bool
The equality operator.
inherited