Beispiel #1
0
		// Random rnd is passed in so that the exact same random query may be created
		// more than once.
		public static BooleanQuery RandBoolQuery(System.Random rnd, int level, System.String field, System.String[] vals, TestBoolean2.Callback cb)
		{
			BooleanQuery current = new BooleanQuery(rnd.Next() < 0);
			for (int i = 0; i < rnd.Next(vals.Length) + 1; i++)
			{
				int qType = 0; // term query
				if (level > 0)
				{
					qType = rnd.Next(10);
				}
				Query q;
				if (qType < 7)
					q = new TermQuery(new Term(field, vals[rnd.Next(vals.Length)]));
				else
					q = RandBoolQuery(rnd, level - 1, field, vals, cb);
				
				int r = rnd.Next(10);
				BooleanClause.Occur occur;
				if (r < 2)
					occur = BooleanClause.Occur.MUST_NOT;
				else if (r < 5)
					occur = BooleanClause.Occur.MUST;
				else
					occur = BooleanClause.Occur.SHOULD;
				
				current.Add(q, occur);
			}
			if (cb != null)
				cb.PostCreate(current);
			return current;
		}
Beispiel #2
0
        // Random rnd is passed in so that the exact same random query may be created
        // more than once.
        public static BooleanQuery RandBoolQuery(System.Random rnd, bool allowMust, int level, System.String field, System.String[] vals, TestBoolean2.Callback cb)
        {
            BooleanQuery current = new BooleanQuery(rnd.Next() < 0);
            for (int i = 0; i < rnd.Next(vals.Length) + 1; i++)
            {
                int qType = 0; // term query
                if (level > 0)
                {
                    qType = rnd.Next(10);
                }
                Query q;
                if (qType < 3)
                {
                    q = new TermQuery(new Term(field, vals[rnd.Next(vals.Length)]));
                }
                else if (qType < 7)
                {
                    q = new WildcardQuery(new Term(field, "w*"));
                }
                else
                {
                    q = RandBoolQuery(rnd, allowMust, level - 1, field, vals, cb);
                }

                int r = rnd.Next(10);
                Occur occur;
                if (r < 2)
                {
                    occur = Occur.MUST_NOT;
                }
                else if (r < 5)
                {
                    occur = allowMust ? Occur.MUST : Occur.SHOULD;
                }
                else
                {
                    occur = Occur.SHOULD;
                }
                
                current.Add(q, occur);
            }
            if (cb != null)
                cb.PostCreate(current);
            return current;
        }