mirror of https://github.com/dapr/dotnet-sdk.git
37 lines
1.3 KiB
C#
37 lines
1.3 KiB
C#
// ------------------------------------------------------------------------
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// Copyright 2021 The Dapr Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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using IDemoActor;
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namespace DemoActor
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{
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public class BankService
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{
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// Allow overdraft of up to 50 (of whatever currency).
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private readonly decimal OverdraftThreshold = -50m;
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public decimal Withdraw(decimal balance, decimal amount)
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{
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// Imagine putting some complex auditing logic here in addition to the basics.
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var updated = balance - amount;
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if (updated < OverdraftThreshold)
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{
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throw new OverdraftException(balance, amount);
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}
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return updated;
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}
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}
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}
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