kelvint 02/05/10 17:47:25
Added: contributions/fulcrum SearchResults.java
Log:
An object to encapsulate the results of a search.
Revision Changes Path
1.1 jakarta-lucene-sandbox/contributions/fulcrum/SearchResults.java
Index: SearchResults.java
===================================================================
import org.apache.log4j.Category;
import org.apache.lucene.document.Document;
import org.apache.lucene.search.Hits;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import search.SearchResultFactory;
/**
* <p>
* Encapsulates the results of a search. After a SearchResults has
* been constructed from a Hits object, the IndexSearcher can be
* safely closed.
* </p>
* <p>
* SearchResults also provides a way of retrieving Java objects from
* Documents (via {@link search.SearchResultsFactory}).
* </p>
* <p>
* <b>Note that this implementation uses code from
* /projects/appex/search.</b>
* </p>
*/
public class SearchResults
{
private static Category cat = Category.getInstance(SearchResults.class);
private List hitsDocuments;
private List objectResults;
private int totalNumberOfResults;
public SearchResults(Hits hits) throws IOException
{
this(hits, 0, hits.length());
}
public SearchResults(Hits hits, int from, int to) throws IOException
{
hitsDocuments = new ArrayList();
totalNumberOfResults = hits.length();
if (to > totalNumberOfResults)
{
to = totalNumberOfResults;
}
for (int i = from; i < to; i++)
{
hitsDocuments.add(hits.doc(i));
}
}
public int getTotalNumberOfResults()
{
return totalNumberOfResults;
}
/**
* Obtain the results of the search as objects.
*/
public List getResultsAsObjects()
{
if (objectResults == null)
{
objectResults = new ArrayList();
for (Iterator it = hitsDocuments.iterator(); it.hasNext();)
{
try
{
Object o = SearchResultFactory.
getDocAsObject((Document) it.next());
if (!objectResults.contains(o))
objectResults.add(o);
}
catch (Exception e)
{
cat.error("Error instantiating an object from a document.", e);
}
}
}
return objectResults;
}
}
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Added: contributions/fulcrum SearchResults.java
Log:
An object to encapsulate the results of a search.
Revision Changes Path
1.1 jakarta-lucene-sandbox/contributions/fulcrum/SearchResults.java
Index: SearchResults.java
===================================================================
import org.apache.log4j.Category;
import org.apache.lucene.document.Document;
import org.apache.lucene.search.Hits;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import search.SearchResultFactory;
/**
* <p>
* Encapsulates the results of a search. After a SearchResults has
* been constructed from a Hits object, the IndexSearcher can be
* safely closed.
* </p>
* <p>
* SearchResults also provides a way of retrieving Java objects from
* Documents (via {@link search.SearchResultsFactory}).
* </p>
* <p>
* <b>Note that this implementation uses code from
* /projects/appex/search.</b>
* </p>
*/
public class SearchResults
{
private static Category cat = Category.getInstance(SearchResults.class);
private List hitsDocuments;
private List objectResults;
private int totalNumberOfResults;
public SearchResults(Hits hits) throws IOException
{
this(hits, 0, hits.length());
}
public SearchResults(Hits hits, int from, int to) throws IOException
{
hitsDocuments = new ArrayList();
totalNumberOfResults = hits.length();
if (to > totalNumberOfResults)
{
to = totalNumberOfResults;
}
for (int i = from; i < to; i++)
{
hitsDocuments.add(hits.doc(i));
}
}
public int getTotalNumberOfResults()
{
return totalNumberOfResults;
}
/**
* Obtain the results of the search as objects.
*/
public List getResultsAsObjects()
{
if (objectResults == null)
{
objectResults = new ArrayList();
for (Iterator it = hitsDocuments.iterator(); it.hasNext();)
{
try
{
Object o = SearchResultFactory.
getDocAsObject((Document) it.next());
if (!objectResults.contains(o))
objectResults.add(o);
}
catch (Exception e)
{
cat.error("Error instantiating an object from a document.", e);
}
}
}
return objectResults;
}
}
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