/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 * 
 *  http://aws.amazon.com/apache2.0
 * 
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

/*
 * Do not modify this file. This file is generated from the swf-2012-01-25.normal.json service model.
 */
using System;
using System.Collections.Generic;
using System.Xml.Serialization;
using System.Text;
using System.IO;
using System.Net;

using Amazon.Runtime;
using Amazon.Runtime.Internal;

namespace Amazon.SimpleWorkflow.Model
{
    /// <summary>
    /// A structure that represents a decision task. Decision tasks are sent to deciders in
    /// order for them to make decisions.
    /// </summary>
    public partial class DecisionTask
    {
        private List<HistoryEvent> _events = new List<HistoryEvent>();
        private string _nextPageToken;
        private long? _previousStartedEventId;
        private long? _startedEventId;
        private string _taskToken;
        private WorkflowExecution _workflowExecution;
        private WorkflowType _workflowType;

        /// <summary>
        /// Gets and sets the property Events. 
        /// <para>
        /// A paginated list of history events of the workflow execution. The decider uses this
        /// during the processing of the decision task.
        /// </para>
        /// </summary>
        [AWSProperty(Required=true)]
        public List<HistoryEvent> Events
        {
            get { return this._events; }
            set { this._events = value; }
        }

        // Check to see if Events property is set
        internal bool IsSetEvents()
        {
            return this._events != null && this._events.Count > 0; 
        }

        /// <summary>
        /// Gets and sets the property NextPageToken. 
        /// <para>
        /// If a <code>NextPageToken</code> was returned by a previous call, there are more results
        /// available. To retrieve the next page of results, make the call again using the returned
        /// token in <code>nextPageToken</code>. Keep all other arguments unchanged.
        /// </para>
        ///  
        /// <para>
        /// The configured <code>maximumPageSize</code> determines how many results can be returned
        /// in a single call.
        /// </para>
        /// </summary>
        [AWSProperty(Max=2048)]
        public string NextPageToken
        {
            get { return this._nextPageToken; }
            set { this._nextPageToken = value; }
        }

        // Check to see if NextPageToken property is set
        internal bool IsSetNextPageToken()
        {
            return this._nextPageToken != null;
        }

        /// <summary>
        /// Gets and sets the property PreviousStartedEventId. 
        /// <para>
        /// The ID of the DecisionTaskStarted event of the previous decision task of this workflow
        /// execution that was processed by the decider. This can be used to determine the events
        /// in the history new since the last decision task received by the decider.
        /// </para>
        /// </summary>
        public long PreviousStartedEventId
        {
            get { return this._previousStartedEventId.GetValueOrDefault(); }
            set { this._previousStartedEventId = value; }
        }

        // Check to see if PreviousStartedEventId property is set
        internal bool IsSetPreviousStartedEventId()
        {
            return this._previousStartedEventId.HasValue; 
        }

        /// <summary>
        /// Gets and sets the property StartedEventId. 
        /// <para>
        /// The ID of the <code>DecisionTaskStarted</code> event recorded in the history.
        /// </para>
        /// </summary>
        [AWSProperty(Required=true)]
        public long StartedEventId
        {
            get { return this._startedEventId.GetValueOrDefault(); }
            set { this._startedEventId = value; }
        }

        // Check to see if StartedEventId property is set
        internal bool IsSetStartedEventId()
        {
            return this._startedEventId.HasValue; 
        }

        /// <summary>
        /// Gets and sets the property TaskToken. 
        /// <para>
        /// The opaque string used as a handle on the task. This token is used by workers to communicate
        /// progress and response information back to the system about the task.
        /// </para>
        /// </summary>
        [AWSProperty(Required=true, Min=1, Max=1024)]
        public string TaskToken
        {
            get { return this._taskToken; }
            set { this._taskToken = value; }
        }

        // Check to see if TaskToken property is set
        internal bool IsSetTaskToken()
        {
            return this._taskToken != null;
        }

        /// <summary>
        /// Gets and sets the property WorkflowExecution. 
        /// <para>
        /// The workflow execution for which this decision task was created.
        /// </para>
        /// </summary>
        [AWSProperty(Required=true)]
        public WorkflowExecution WorkflowExecution
        {
            get { return this._workflowExecution; }
            set { this._workflowExecution = value; }
        }

        // Check to see if WorkflowExecution property is set
        internal bool IsSetWorkflowExecution()
        {
            return this._workflowExecution != null;
        }

        /// <summary>
        /// Gets and sets the property WorkflowType. 
        /// <para>
        /// The type of the workflow execution for which this decision task was created.
        /// </para>
        /// </summary>
        [AWSProperty(Required=true)]
        public WorkflowType WorkflowType
        {
            get { return this._workflowType; }
            set { this._workflowType = value; }
        }

        // Check to see if WorkflowType property is set
        internal bool IsSetWorkflowType()
        {
            return this._workflowType != null;
        }

    }
}