69 lines
2.2 KiB
C#
69 lines
2.2 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="InternalTransition.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Activities.Statements
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{
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using System.Activities;
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using System.Activities.Statements;
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using System.Collections.ObjectModel;
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using System.ComponentModel;
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/// <summary>
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/// InternalTransition is internal representation of transition.
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/// Its difference from transition is that if several transition share the same trigger, all of them belongs to the same internal transition.
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/// Their different conditions, actions, Tos would be put into TransitionDataList.
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/// </summary>
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sealed class InternalTransition
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{
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Collection<TransitionData> transitionDataList;
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/// <summary>
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/// Gets or sets the index of this InternalTransition in internalTransitions list of its parent state.
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/// </summary>
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public int InternalTransitionIndex
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{
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get;
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set;
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}
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/// <summary>
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/// Gets a value indicating whether this transition is unconditional.
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/// </summary>
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public bool IsUnconditional
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{
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get
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{
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return this.transitionDataList.Count == 1 && this.transitionDataList[0].Condition == null;
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}
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}
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/// <summary>
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/// Gets TransitionDataList contains Tos, Conditions, Actions of different transitions which share the same trigger.
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/// </summary>
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public Collection<TransitionData> TransitionDataList
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{
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get
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{
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if (this.transitionDataList == null)
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{
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this.transitionDataList = new Collection<TransitionData>();
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}
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return this.transitionDataList;
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}
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}
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/// <summary>
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/// Gets or sets trigger object of this internal transition.
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/// </summary>
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public Activity Trigger
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{
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get;
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set;
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}
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}
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}
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