IndexSearcher (Silverpeas Core 6.4 API)

java.lang.Object
- org.silverpeas.core.index.search.model.IndexSearcher

```
@Technical
@Bean
@Singleton
public class IndexSearcher
extends Object
```
The IndexSearcher class implements search over all the indexes. A IndexSearcher manages a set of cached lucene IndexSearcher.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static IndexSearcher`	`get()`
`org.apache.lucene.queryparser.classic.QueryParser.Operator`	`getDefaultOperator()`
`MatchingIndexEntry`	`search(String component, String objectId, String objectType)`	Searches the Lucene index for a specific object, by giving the PK of the index entry
`MatchingIndexEntry[]`	`search(QueryDescription query)`	Search the documents of the given component's set.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - get
```
public static IndexSearcher get()
```
  - getDefaultOperator
```
public org.apache.lucene.queryparser.classic.QueryParser.Operator getDefaultOperator()
```
  - search
```
public MatchingIndexEntry search(String component,
                                 String objectId,
                                 String objectType)
                          throws ParseException
```
    Searches the Lucene index for a specific object, by giving the PK of the index entry
    
    Parameters:
    
    component - the unique identifier of the component instance within which the search has to be scoped.
    
    objectId - the unique identifier of the contribution to which the search has to be scoped.
    
    objectType - the type of the contribution.
    
    Returns:
    
    MatchingIndexEntry wrapping the result, else null.
    
    Throws:
    
    ParseException
  - search
```
public MatchingIndexEntry[] search(QueryDescription query)
                            throws ParseException
```
    Search the documents of the given component's set. All entries found whose startDate is not reached or whose endDate is passed are pruned from the results set.
    
    Parameters:
    
    query - the query.
    
    Returns:
    
    an array of index entries.
    
    Throws:
    
    ParseException - on parse error