wehub-resource-sync
68 lines
3.0 KiB
C#
68 lines
3.0 KiB
C#
/*
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* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
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* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
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*
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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 http://www.apache.org/licenses/LICENSE-2.0
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*
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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 System;
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namespace QuantConnect.Indicators
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{
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/// <summary>
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/// Class that extends CompositeIndicator to execute a given action once is reset
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/// </summary>
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public class ResetCompositeIndicator : CompositeIndicator
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{
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/// <summary>
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/// Action to execute once this indicator is reset
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/// </summary>
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private Action _extraResetAction;
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/// <summary>
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/// Creates a new ResetCompositeIndicator capable of taking the output from the left and right indicators
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/// and producing a new value via the composer delegate specified
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/// </summary>
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/// <param name="left">The left indicator for the 'composer'</param>
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/// <param name="right">The right indicator for the 'composer'</param>
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/// <param name="composer">Function used to compose the left and right indicators</param>
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/// <param name="extraResetAction">Action to execute once the composite indicator is reset</param>
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public ResetCompositeIndicator(IndicatorBase left, IndicatorBase right, IndicatorComposer composer, Action extraResetAction)
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: this($"RESET_COMPOSE({left.Name},{right.Name})", left, right, composer, extraResetAction)
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{
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}
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/// <summary>
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/// Creates a new CompositeIndicator capable of taking the output from the left and right indicators
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/// and producing a new value via the composer delegate specified
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/// </summary>
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/// <param name="name">The name of this indicator</param>
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/// <param name="left">The left indicator for the 'composer'</param>
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/// <param name="right">The right indicator for the 'composer'</param>
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/// <param name="composer">Function used to compose the left and right indicators</param>
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/// <param name="extraResetAction">Action to execute once the indicator is reset</param>
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public ResetCompositeIndicator(string name, IndicatorBase left, IndicatorBase right, IndicatorComposer composer, Action extraResetAction)
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: base(name, left, right, composer)
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{
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_extraResetAction = extraResetAction;
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}
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/// <summary>
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/// Resets this indicator and invokes the given reset action
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/// </summary>
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public override void Reset()
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{
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base.Reset();
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_extraResetAction.Invoke();
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}
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}
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}
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