ITransactionalState<TState>.PerformRead(Func<TState, TResult>, ReadIsolation)

1. Documentation
2. API reference
3. Microsoft.Orleans.Transactions
4. ITransactionalState<TState>
5. Methods
6. PerformRead(Func<TState, TResult>, ReadIsolation)

Markdown

PerformRead(Func<TState, TResult>, ReadIsolation)

abstract

public abstract Task<TResult> PerformRead<TResult>(Func<TState, TResult> readFunction, ReadIsolation isolation)

Performs a read operation with the specified isolation and returns the result.

Parameters

readFunctionFunc<TState, TResult>

A function that reads the state and returns the result. The function must leave the supplied state unchanged.

isolationReadIsolation

The read isolation.

Returns

A task whose result is the value returned by readFunction.