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C# FieldQuery.SearchPhrase方法代码示例

本文整理汇总了C#中Lucene.Net.Search.Vectorhighlight.FieldQuery.SearchPhrase方法的典型用法代码示例。如果您正苦于以下问题:C# FieldQuery.SearchPhrase方法的具体用法?C# FieldQuery.SearchPhrase怎么用?C# FieldQuery.SearchPhrase使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Lucene.Net.Search.Vectorhighlight.FieldQuery的用法示例。


在下文中一共展示了FieldQuery.SearchPhrase方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: FieldPhraseList

        /// <summary>
        /// a constructor. 
        /// </summary>
        /// <param name="fieldTermStack">FieldTermStack object</param>
        /// <param name="fieldQuery">FieldQuery object</param>
        public FieldPhraseList(FieldTermStack fieldTermStack, FieldQuery fieldQuery)
        {
            String field = fieldTermStack.GetFieldName();

            LinkedList<TermInfo> phraseCandidate = new LinkedList<TermInfo>();
            QueryPhraseMap currMap = null;
            QueryPhraseMap nextMap = null;
            while (!fieldTermStack.IsEmpty())
            {

                phraseCandidate.Clear();

                TermInfo ti = fieldTermStack.Pop();
                currMap = fieldQuery.GetFieldTermMap(field, ti.GetText());

                // if not found, discard top TermInfo from stack, then try next element
                if (currMap == null) continue;

                // if found, search the longest phrase
                phraseCandidate.AddLast(ti);
                while (true)
                {
                    ti = fieldTermStack.Pop();
                    nextMap = null;
                    if (ti != null)
                        nextMap = currMap.GetTermMap(ti.GetText());
                    if (ti == null || nextMap == null)
                    {
                        if (ti != null)
                            fieldTermStack.Push(ti);
                        if (currMap.IsValidTermOrPhrase(new List<TermInfo>(phraseCandidate)))
                        {
                            AddIfNoOverlap(new WeightedPhraseInfo(phraseCandidate, currMap.GetBoost(), currMap.GetTermOrPhraseNumber()));
                        }
                        else
                        {
                            while (phraseCandidate.Count > 1)
                            {
                                TermInfo last = phraseCandidate.Last.Value;
                                phraseCandidate.RemoveLast();
                                fieldTermStack.Push(last);
                                currMap = fieldQuery.SearchPhrase(field, new List<TermInfo>(phraseCandidate));
                                if (currMap != null)
                                {
                                    AddIfNoOverlap(new WeightedPhraseInfo(phraseCandidate, currMap.GetBoost(), currMap.GetTermOrPhraseNumber()));
                                    break;
                                }
                            }
                        }
                        break;
                    }
                    else
                    {
                        phraseCandidate.AddLast(ti);
                        currMap = nextMap;
                    }
                }
            }
        }
开发者ID:VirtueMe,项目名称:ravendb,代码行数:64,代码来源:FieldPhraseList.cs

示例2: TestSearchPhraseSlop

        public void TestSearchPhraseSlop()
        {
            // "a b c"~0
            Query query = PqF("a", "b", "c");

            // phraseHighlight = true, fieldMatch = true
            FieldQuery fq = new FieldQuery(query, true, true);

            // "a b c" w/ position-gap = 2
            List<TermInfo> phraseCandidate = new List<TermInfo>();
            phraseCandidate.Add(new TermInfo("a", 0, 1, 0));
            phraseCandidate.Add(new TermInfo("b", 2, 3, 2));
            phraseCandidate.Add(new TermInfo("c", 4, 5, 4));
            Assert.Null(fq.SearchPhrase(F, phraseCandidate));

            // "a b c"~1
            query = pqF(1F, 1, "a", "b", "c");

            // phraseHighlight = true, fieldMatch = true
            fq = new FieldQuery(query, true, true);

            // "a b c" w/ position-gap = 2
            Assert.NotNull(fq.SearchPhrase(F, phraseCandidate));

            // "a b c" w/ position-gap = 3
            phraseCandidate.Clear();
            phraseCandidate.Add(new TermInfo("a", 0, 1, 0));
            phraseCandidate.Add(new TermInfo("b", 2, 3, 3));
            phraseCandidate.Add(new TermInfo("c", 4, 5, 6));
            Assert.Null(fq.SearchPhrase(F, phraseCandidate));
        }
开发者ID:Rationalle,项目名称:ravendb,代码行数:31,代码来源:FieldQueryTest.cs

示例3: TestSearchPhrase

        public void TestSearchPhrase()
        {
            Query query = PqF("a", "b", "c");

            // phraseHighlight = true, fieldMatch = true
            FieldQuery fq = new FieldQuery(query, true, true);

            // "a"
            List<TermInfo> phraseCandidate = new List<TermInfo>();
            phraseCandidate.Add(new TermInfo("a", 0, 1, 0));
            Assert.Null(fq.SearchPhrase(F, phraseCandidate));
            // "a b"
            phraseCandidate.Add(new TermInfo("b", 2, 3, 1));
            Assert.Null(fq.SearchPhrase(F, phraseCandidate));
            // "a b c"
            phraseCandidate.Add(new TermInfo("c", 4, 5, 2));
            Assert.NotNull(fq.SearchPhrase(F, phraseCandidate));
            Assert.Null(fq.SearchPhrase("x", phraseCandidate));

            // phraseHighlight = true, fieldMatch = false
            fq = new FieldQuery(query, true, false);

            // "a b c"
            Assert.NotNull(fq.SearchPhrase(F, phraseCandidate)); //{{DIGY - Failing test.}}
            Assert.NotNull(fq.SearchPhrase("x", phraseCandidate)); //{{DIGY - Failing test.}}
            //{{DIGY- this may be related with the difference of List implemantation between Java & .NET
            //Java version accepts "null" as a value. It is not a show stopper.}}

            // phraseHighlight = false, fieldMatch = true
            fq = new FieldQuery(query, false, true);

            // "a"
            phraseCandidate.Clear();
            phraseCandidate.Add(new TermInfo("a", 0, 1, 0));
            Assert.NotNull(fq.SearchPhrase(F, phraseCandidate));
            // "a b"
            phraseCandidate.Add(new TermInfo("b", 2, 3, 1));
            Assert.Null(fq.SearchPhrase(F, phraseCandidate));
            // "a b c"
            phraseCandidate.Add(new TermInfo("c", 4, 5, 2));
            Assert.NotNull(fq.SearchPhrase(F, phraseCandidate));
            Assert.Null(fq.SearchPhrase("x", phraseCandidate));
        }
开发者ID:Rationalle,项目名称:ravendb,代码行数:43,代码来源:FieldQueryTest.cs


注:本文中的Lucene.Net.Search.Vectorhighlight.FieldQuery.SearchPhrase方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。