Elasticsearch 5.1.1 Search Highlighting and Java API implementations

5.1.1 's search highlighting and 2. X has changed, but not much. Here are four steps to: Create an index (set Mapping/ik participle), index document, search highlighting for REST API, search highlighting for JAVA API.
Note: Starting with this blog, use the shorthand code style, which is the style used in the sence plugin or Kibana dev tools. (Tip: To install Kibana 5.1.1, you can use the simple format command directly in Dev tools.) )

First, create an index

The document structure is blog/article/id. Create an empty index first:

PUT blog

Create mapping:

POST blog/article/_mapping{"article": {"_all": {"Analyzer":"Ik_max_word","Search_analyzer":"Ik_max_word","Term_vector":"No","Store":"false"},"Properties": {"title": {"Type":"Text","Analyzer":"Ik_max_word","Search_analyzer":"Ik_max_word","Include_in_all":"true","Boost":8},"Content": {"Type":"Text","Analyzer":"Ik_max_word","Search_analyzer":"Ik_max_word","Include_in_all":"true","Boost":4}        }    }}

Second, index test document

Add three documents to the blog index.
Document 1:

POST blog/article/1{  "title":"java编程思想",  "content":"《Java编程思想》这本书赢得了全球程序员的广泛赞誉"}

Document 2:

POST blog/article/2{  "title":"手把手教你使用Git",  "content":"这是一个非常容易上手的GIt详细教程"}

Document 3:

POST blog/article/3{  "title":"java从入门到精通",  "content":"《java从入门到精通》非常适合java初学"}

Third, rest highlighting API

We query the title containing the Java document and mark it with a custom highlight fragment.

POST blog/_search{  "query": {    "match": {      "title""java"    }  },  "highlight": {    "fields": {      "title": {        "pre_tags""<strong>",        "post_tags""</strong>"      }    }  }}

Query Result:

    "Total":2,"Max_score":2.3014567,"hits": [      {"_index":"Blog","_type":"article","_id":"3","_score":2.3014567,"_source": {"title":"Java from getting started to mastering","Content":"Java from getting started to mastering" is perfect for Java beginners "},"Highlight": {"title": ["<strong>java</strong> from beginner to proficient"]        }      },      {"_index":"Blog","_type":"article","_id":"1","_score":2.025282,"_source": {"title":"Java Programming ideas","Content":"Java Programming Ideas" is a book that has won wide acclaim from global programmers. "},"Highlight": {"title": ["<strong>java</strong> Programming Ideas"]        }      }    ]  }}

Iv. search for highlighted Java API implementations

Jar Package Import Please refer to the previous blog Elasticsearch 5.X under the Java API Usage guide
Write a test class:

Package Esjavapia5;Import Java. NET. InetAddress;Import Java. NET. Unknownhostexception;import org. Elasticsearch. Action. Search. SearchResponse;import org. Elasticsearch. Client. Transport. Transportclient;import org. Elasticsearch. Common. Settings. Settings;import org. Elasticsearch. Common. Text. Text;import org. Elasticsearch. Common. Transport. Inetsockettransportaddress;import org. Elasticsearch. Index. Query. QueryBuilder;import org. Elasticsearch. Index. Query. Querybuilders;import org. Elasticsearch. Search. Searchhit;import org. Elasticsearch. Search. Searchhits;import org. Elasticsearch. Search. Fetch. Subphase. Highlight. Highlightbuilder;import org. Elasticsearch. Transport. Client. Prebuilttransportclient;public class Es5highlight {public static void main (string[] args) throws Unknownhostexception {//TODO Auto-ge nerated method Stub//set cluster name Settings Settings = Settings. Builder(). Put("Cluster.name","Elasticsearch"). Build();Create client Transportclient client = new Prebuilttransportclient (settings). Addtransportaddress(New Inetsockettransportaddress (inetaddress. Getbyname("127.0.0.1"),9300));QueryBuilder matchquery = querybuilders. Matchquery("title","Programming");Highlightbuilder hibuilder=new Highlightbuilder ();Hibuilder. Posttags(");Hibuilder. Posttags(");Hibuilder. Field("title");Search Data SearchResponse response = Client. Preparesearch("Blog"). Setquery(Matchquery). Highlighter(Hibuilder). Execute(). Actionget();Get query result set searchhits Searchhits = response. Gethits();System. out. println("Total Search:"+searchhits. Gettotalhits()+"Article Results!");Traversal result for (Searchhit hit:searchhits) {System. out. println("String Print Document Search content:");System. out. println(Hit. getsourceasstring());System. out. println("map mode to print highlighting content");System. out. println(Hit. Gethighlightfields());System. out. println("Iterate through the highlighted collection and print the highlighted clip:");text[] Text = Hit. Gethighlightfields(). Get("title"). Getfragments();for (Text str:text) {System. out. println(str. String());}        }    }}

Operation Result:

No modules loadedloaded plugin [org. Elasticsearch. Index. Reindex. Reindexplugin]loaded plugin [org. Elasticsearch. Percolator. Percolatorplugin]loaded plugin [org. Elasticsearch. Script. Mustache. Mustacheplugin]loaded plugin [org. Elasticsearch. Transport. Netty3plugin]loaded plugin [org. Elasticsearch. Transport. Netty4Plugin] Total Search:1Results of the article! Print a document search in string mode: {"title":"Java Programming ideas","Content":"Java Programming Ideas" is a book that has won wide acclaim from global programmers. "}map way to print highlighted content {Title=[title], fragments[[java<em> programming 

As follows:

Elasticsearch 5.1.1 Search Highlighting and Java API implementations