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MultiStateTransactionalGrain.cs
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MultiStateTransactionalGrain.cs
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using Microsoft.Extensions.Logging;
using Orleans.Transactions.Abstractions;
using System;
using System.Linq;
using System.Runtime.Serialization;
using System.Threading.Tasks;
namespace Orleans.Transactions.TestKit
{
[Serializable]
public class GrainData
{
public int Value { get; set; }
}
public class MaxStateTransactionalGrain : MultiStateTransactionalGrainBaseClass
{
public MaxStateTransactionalGrain(ITransactionalStateFactory stateFactory,
ILoggerFactory loggerFactory)
: base(Enumerable.Range(0, TransactionTestConstants.MaxCoordinatedTransactions)
.Select(i => stateFactory.Create<GrainData>(new TransactionalStateConfiguration(new TransactionalStateAttribute($"data{i}", TransactionTestConstants.TransactionStore))))
.ToArray(),
loggerFactory)
{
}
}
public class DoubleStateTransactionalGrain : MultiStateTransactionalGrainBaseClass
{
public DoubleStateTransactionalGrain(
[TransactionalState("data1", TransactionTestConstants.TransactionStore)]
ITransactionalState<GrainData> data1,
[TransactionalState("data2", TransactionTestConstants.TransactionStore)]
ITransactionalState<GrainData> data2,
ILoggerFactory loggerFactory)
: base(new ITransactionalState<GrainData>[2] { data1, data2 }, loggerFactory)
{
}
}
public class SingleStateTransactionalGrain : MultiStateTransactionalGrainBaseClass
{
public SingleStateTransactionalGrain(
[TransactionalState("data", TransactionTestConstants.TransactionStore)]
ITransactionalState<GrainData> data,
ILoggerFactory loggerFactory)
: base(new ITransactionalState<GrainData>[1] { data }, loggerFactory)
{
}
}
public class NoStateTransactionalGrain : MultiStateTransactionalGrainBaseClass
{
public NoStateTransactionalGrain(
ILoggerFactory loggerFactory)
: base(Array.Empty<ITransactionalState<GrainData>>(), loggerFactory)
{
}
}
public class MultiStateTransactionalGrainBaseClass : Grain, ITransactionTestGrain
{
protected ITransactionalState<GrainData>[] dataArray;
private readonly ILoggerFactory loggerFactory;
protected ILogger logger;
public MultiStateTransactionalGrainBaseClass(
ITransactionalState<GrainData>[] dataArray,
ILoggerFactory loggerFactory)
{
this.dataArray = dataArray;
this.loggerFactory = loggerFactory;
}
public override Task OnActivateAsync()
{
this.logger = this.loggerFactory.CreateLogger(this.GetGrainIdentity().ToString());
return base.OnActivateAsync();
}
public async Task Set(int newValue)
{
foreach(var data in this.dataArray)
{
await data.PerformUpdate(state =>
{
this.logger.LogInformation($"Setting from {state.Value} to {newValue}.");
state.Value = newValue;
this.logger.LogInformation($"Set to {state.Value}.");
});
}
}
public async Task<int[]> Add(int numberToAdd)
{
var result = new int[dataArray.Length];
for(int i = 0; i < dataArray.Length; i++)
{
result[i] = await dataArray[i].PerformUpdate(state =>
{
this.logger.LogInformation($"Adding {numberToAdd} to {state.Value}.");
state.Value += numberToAdd;
this.logger.LogInformation($"Value after Adding {numberToAdd} is {state.Value}.");
return state.Value;
});
}
return result;
}
public async Task<int[]> Get()
{
var result = new int[dataArray.Length];
for (int i = 0; i < dataArray.Length; i++)
{
result[i] = await dataArray[i].PerformRead(state =>
{
this.logger.LogInformation($"Get {state.Value}.");
return state.Value;
});
}
return result;
}
public async Task AddAndThrow(int numberToAdd)
{
await Add(numberToAdd);
throw new AddAndThrowException($"{GetType().Name} test exception");
}
public Task Deactivate()
{
DeactivateOnIdle();
return Task.CompletedTask;
}
}
[Serializable]
public class AddAndThrowException : Exception
{
public AddAndThrowException() : base("Unexpected error.") { }
public AddAndThrowException(string message) : base(message) { }
public AddAndThrowException(string message, Exception innerException) : base(message, innerException) { }
protected AddAndThrowException(SerializationInfo info, StreamingContext context)
: base(info, context)
{
}
}
}