WorkerQueue.cs

Go to the documentation of this file.

using System;
using System.Collections.Generic;


namespace kinetica.Utils
{
    internal sealed class WorkerQueue<T>
    {
        public System.Uri url { get; private set; }
        private int capacity;
        private bool has_primary_key;
        private bool update_on_existing_pk;
        private IList<T> queue;
        private Dictionary<RecordKey, int> primary_key_map;


        public WorkerQueue( System.Uri url )
        {
            this.url = url;
            this.capacity = 1;

            queue = new List<T>();
        }  // end constructor WorkerQueue<T>



        public WorkerQueue(System.Uri url, int capacity, bool has_primary_key, bool update_on_existing_pk)
        {
            this.url = url;
            this.capacity = capacity;

            queue = new List<T>();

        }  // end constructor WorkerQueue<T>



        public IList<T> flush()
        {
            IList<T> old_queue = this.queue;
            queue = new List<T>(this.capacity);

            return old_queue;
        }  // end flush



        public IList<T> insert(T record, RecordKey key)
        {
            queue.Add(record);
            // If the queue is full, then flush and return the 'old' queue
            if (queue.Count == capacity)
                return flush();
            else // no records to return
                return null;
        }  // end insert
    }  // end class WorkerQueue

}   // end namespace kinetica.Utils