package luceneQuery;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Date;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.SimpleAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.FuzzyQuery;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.PhraseQuery;
import org.apache.lucene.search.PrefixQuery;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.search.TermRangeQuery;
import org.apache.lucene.search.WildcardQuery;
import org.apache.lucene.search.spans.SpanFirstQuery;
import org.apache.lucene.search.spans.SpanNearQuery;
import org.apache.lucene.search.spans.SpanNotQuery;
import org.apache.lucene.search.spans.SpanOrQuery;
import org.apache.lucene.search.spans.SpanQuery;
import org.apache.lucene.search.spans.SpanTermQuery;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.FSDirectory;
import org.apache.lucene.store.RAMDirectory;
public class QueryTest {
static String sIndex_Path
="E:/index";
static String sText_path
="E:/textbook";
static protected String[] keywords
= {"001",
"002",
"003",
"004",
"005"};
static protected String[] textdetail
= {"记录 一",
"记录 二",
"记录 三",
"一 2345 记录",
"记录 新 一"};
static File fIndex_Path
=new File(sIndex_Path
);
/**===========================================================
* 名称:IndexBuilder
* 功能:构造磁盘索引,添加内容到指定目录,为后继检索查询做好准备
=============================================================**/
public static void IndexBuilder(){
try{
File[] list
=f.
listFiles();
//创建磁盘索引目录
Directory dir = FSDirectory.open(file2);
Directory ramdir = new RAMDirectory();
Analyzer TextAnalyzer = new SimpleAnalyzer();
//创建磁盘索引
IndexWriter TextIndex = new IndexWriter(dir, TextAnalyzer, true, IndexWriter.MaxFieldLength.LIMITED);
//创建内存索引
IndexWriter RAMTextIndex = new IndexWriter(ramdir,TextAnalyzer,true, IndexWriter.MaxFieldLength.LIMITED);
for(int i=0;i<list.length;i++){
Field field_name
= new Field("name", list
[1].
getName(),
document.add(field_name);
int len = inputfile.available();
byte[] buffer = new byte[len];
inputfile.read(buffer);
inputfile.close();
Field field_content
= new Field("content", contenttext,
document.add(field_content);
document.add(field_size);
TextIndex.addDocument(document);
TextIndex.optimize();
}
//关闭磁盘索引
TextIndex.close();
long tm_index = end.getTime()-start.getTime();
System.
out.
print("Total Time:(ms)");
e.printStackTrace();
}
System.
out.
println("index Sccess");
}
/**===================================================================
*名称:LuceneTermQuery
*功能:构造检索查询器,对指定的目录进行查询,找到指定的值,并输出相应结果
===================================================================**/
public static void LuceneTermQuery
(String word
){
try{
Directory Index_Dir=FSDirectory.open(fIndex_Path);
IndexSearcher searcher = new IndexSearcher(Index_Dir);
Term t = new Term("id", "002");
TermQuery query = new TermQuery(t);
System.
out.
print(query.
toString());
ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs;
System.
out.
println("Search result:");
for (int i = 0; i < hits.length; i++) {
Document hitDoc
= searcher.
doc(hits
[i
].
doc);
System.
out.
println(hitDoc.
get("fieldname"));
}
e.printStackTrace();
}
System.
out.
println("Search Success");
}
/**===================================================================
*名称:LuceneRangeQuery
*功能:构造范围检索查询器,对指定的索引进行查询,找到指定的文档,并输
===================================================================**/
public static void LuceneRangeQuery
(String lowerTerm,
String upperTerm
){
try{
Directory Index_Dir=FSDirectory.open(fIndex_Path);
IndexSearcher searcher = new IndexSearcher(Index_Dir);
TermRangeQuery query = new TermRangeQuery("numval",lowerTerm,upperTerm,true,true);
System.
out.
print(query.
toString());
ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs;
System.
out.
println("Search result:");
for (int i = 0; i < hits.length; i++) {
Document hitDoc
= searcher.
doc(hits
[i
].
doc);
System.
out.
println(hitDoc.
get("fieldname"));
}
e.printStackTrace();
}
System.
out.
println("Search Success");
}
/**=========================================================================
*名称:LuceneBooleanQuery
*功能:构造布尔检索查询器,对指定的索引进行查询,找到指定的值,并输出相应的结果
=========================================================================**/
public static void LuceneBooleanQuery(){
try {
Directory Index_Dir = FSDirectory.open(fIndex_Path);
IndexSearcher searcher = new IndexSearcher(Index_Dir);
Term term1 = new Term("content","记录");
Term term2 = new Term("content","二");
TermQuery query1 = new TermQuery(term1);
TermQuery query2 = new TermQuery(term2);
BooleanQuery query = new BooleanQuery();
query.add(query1,BooleanClause.Occur.MUST);
query.add(query2,BooleanClause.Occur.MUST);
System.
out.
println(query.
toString());
ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs;
System.
out.
println("Search result:");
for (int i = 0; i < hits.length; i++) {
Document hitDoc
= searcher.
doc(hits
[i
].
doc);
System.
out.
println(hitDoc.
get("fieldname"));
}
e.printStackTrace();
}
System.
out.
println("Search Success");
}
/**=========================================================================
* 名称:LucenePrefixQuery
* 功能:构造前缀检索查询器,对指定的目录进行查询,找到指定的值,并输出相应结果
==========================================================================*/
public static void LucenePrefixQuery
(String word
){
try {
Directory Index_Dir = FSDirectory.open(fIndex_Path);
IndexSearcher searcher = new IndexSearcher(Index_Dir);
Term term = new Term("content",word);
PrefixQuery query = new PrefixQuery(term);
System.
out.
println(query.
toString());
ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs;
System.
out.
println("Search result:");
for (int i = 0; i < hits.length; i++) {
Document hitDoc
= searcher.
doc(hits
[i
].
doc);
System.
out.
println(hitDoc.
get("fieldname"));
}
e.printStackTrace();
}
System.
out.
println("Search Success");
}
/**=========================================================================
* 名称:LucenePhraseQuery
* 功能:构造短语检索查询器,对指定的目录进行查询,找到指定的值,并输出相应结果
==========================================================================*/
public static void LucenePhraseQuery
(String word1,
String word2
){
try {
Directory Index_Dir = FSDirectory.open(fIndex_Path);
IndexSearcher searcher = new IndexSearcher(Index_Dir);
Term term1 = new Term("content",word1);
Term term2 = new Term("content",word2);
PhraseQuery query = new PhraseQuery();
query.add(term1);
query.add(term2);
System.
out.
println(query.
toString());
ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs;
System.
out.
println("Search result:");
for (int i = 0; i < hits.length; i++) {
Document hitDoc
= searcher.
doc(hits
[i
].
doc);
System.
out.
println(hitDoc.
get("fieldname"));
}
e.printStackTrace();
}
System.
out.
println("Search Success");
}
/**=========================================================================
* 名称:LuceneFuzzyQuery
* 功能:构造模糊检索查询器,对指定的目录进行查询,找到指定的值,并输出相应结果
==========================================================================*/
public static void LuceneFuzzyQuery
(String word
){
try {
Directory Index_Dir = FSDirectory.open(fIndex_Path);
IndexSearcher searcher = new IndexSearcher(Index_Dir);
Term term = new Term("content",word);
FuzzyQuery query = new FuzzyQuery(term);
System.
out.
println(query.
toString());
ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs;
System.
out.
println("Search result:");
for (int i = 0; i < hits.length; i++) {
Document hitDoc
= searcher.
doc(hits
[i
].
doc);
System.
out.
println(hitDoc.
get("fieldname"));
}
e.printStackTrace();
}
System.
out.
println("Search Success");
}
/**=========================================================================
* 名称:LuceneWildcardQuery
* 功能:构造通配符检索查询器,对指定的目录进行查询,找到指定的值,并输出相应结果
==========================================================================*/
public static void LuceneWildcardQuery
(String word
){
try {
Directory Index_Dir = FSDirectory.open(fIndex_Path);
IndexSearcher searcher = new IndexSearcher(Index_Dir);
Term term = new Term("content",word);
WildcardQuery query = new WildcardQuery(term);
System.
out.
println(query.
toString());
ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs;
System.
out.
println("Search result:");
for (int i = 0; i < hits.length; i++) {
Document hitDoc
= searcher.
doc(hits
[i
].
doc);
System.
out.
println(hitDoc.
get("fieldname"));
}
e.printStackTrace();
}
System.
out.
println("Search Success");
}
/**=========================================================================
* 名称:LuceneSpanFirstQuery
* 功能:构造SpanQuery检索查询器,对指定的目录进行查询,找到指定的值,并输出相应结果
==========================================================================*/
public static void LuceneSpanFirstQuery
(String word
){
try {
Directory Index_Dir = FSDirectory.open(fIndex_Path);
IndexSearcher searcher = new IndexSearcher(Index_Dir);
Term term = new Term("content",word);
SpanTermQuery query = new SpanTermQuery(term);
SpanFirstQuery firstquery = new SpanFirstQuery(query,2);
System.
out.
println(firstquery.
toString());
ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs;
System.
out.
println("Search result:");
for (int i = 0; i < hits.length; i++) {
Document hitDoc
= searcher.
doc(hits
[i
].
doc);
System.
out.
println(hitDoc.
get("fieldname"));
}
e.printStackTrace();
}
System.
out.
println("Search Success");
}
/**=========================================================================
* 名称:LuceneSpanNearQuery
* 功能:构造SpanQuery检索查询器,对指定的目录进行查询,找到指定的值,并输出相应结果
==========================================================================*/
try {
Directory Index_Dir = FSDirectory.open(fIndex_Path);
IndexSearcher searcher = new IndexSearcher(Index_Dir);
Term term1 = new Term("content",word1);
Term term2 = new Term("content",word2);
Term term3 = new Term("content",word3);
SpanTermQuery query1 = new SpanTermQuery(term1);
SpanTermQuery query2 = new SpanTermQuery(term2);
SpanTermQuery query3 = new SpanTermQuery(term3);
SpanQuery[] queryarray = new SpanQuery[]{query1,query2,query3};
SpanNearQuery nearquery = new SpanNearQuery(queryarray,1,true);
System.
out.
println(nearquery.
toString());
ScoreDoc[] hits = searcher.search(nearquery, null, 1000).scoreDocs;
System.
out.
println("Search result:");
for (int i = 0; i < hits.length; i++) {
Document hitDoc
= searcher.
doc(hits
[i
].
doc);
System.
out.
println(hitDoc.
get("fieldname"));
}
e.printStackTrace();
}
System.
out.
println("Search Success");
}
/**=========================================================================
* 名称:LuceneSpanNotQuery
* 功能:构造SpanQuery检索查询器,对指定的目录进行查询,找到指定的值,并输出相应结果
==========================================================================*/
try {
Directory Index_Dir = FSDirectory.open(fIndex_Path);
IndexSearcher searcher = new IndexSearcher(Index_Dir);
Term term1 = new Term("content",word1);
Term term2 = new Term("content",word2);
Term term3 = new Term("content",word3);
SpanTermQuery query1 = new SpanTermQuery(term1);
SpanTermQuery query2 = new SpanTermQuery(term2);
SpanTermQuery query3 = new SpanTermQuery(term3);
SpanQuery[] queryarray = new SpanQuery[]{query1,query2};
SpanNearQuery nearquery = new SpanNearQuery(queryarray,1,true);
SpanNotQuery notquery = new SpanNotQuery(nearquery,query3);
System.
out.
println(notquery.
toString());
ScoreDoc[] hits = searcher.search(notquery, null, 1000).scoreDocs;
System.
out.
println("Search result:");
for (int i = 0; i < hits.length; i++) {
Document hitDoc
= searcher.
doc(hits
[i
].
doc);
System.
out.
println(hitDoc.
get("fieldname"));
}
e.printStackTrace();
}
System.
out.
println("Search Success");
}
/**=========================================================================
* 名称:LuceneSpanOrQuery
* 功能:构造SpanQuery检索查询器,对指定的目录进行查询,找到指定的值,并输出相应结果
==========================================================================*/
try {
Directory Index_Dir = FSDirectory.open(fIndex_Path);
IndexSearcher searcher = new IndexSearcher(Index_Dir);
Term term1 = new Term("content",word1);
Term term2 = new Term("content",word2);
Term term3 = new Term("content",word3);
SpanTermQuery query1 = new SpanTermQuery(term1);
SpanTermQuery query2 = new SpanTermQuery(term2);
SpanTermQuery query3 = new SpanTermQuery(term3);
SpanQuery[] queryarray1 = new SpanQuery[]{query1,query2};
SpanQuery[] queryarray2 = new SpanQuery[]{query2,query3};
SpanNearQuery nearquery1 = new SpanNearQuery(queryarray1,1,true);
SpanNearQuery nearquery2 = new SpanNearQuery(queryarray2,1,true);
SpanOrQuery orquery = new SpanOrQuery(new SpanNearQuery[]{nearquery1,nearquery2});
System.
out.
println(orquery.
toString());
ScoreDoc[] hits = searcher.search(orquery, null, 1000).scoreDocs;
System.
out.
println("Search result:");
for (int i = 0; i < hits.length; i++) {
Document hitDoc
= searcher.
doc(hits
[i
].
doc);
System.
out.
println(hitDoc.
get("fieldname"));
}
e.printStackTrace();
}
System.
out.
println("Search Success");
}
}
//java/1315