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Now if there are no hits, I return a HitsIterator that will return 0 for all appropriate fields instead of returning null 

I put the string "relevance" into a static variable.


git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@150810 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Peter Carlson 2002-09-07 01:00:47 +00:00
parent 0a7e5168e5
commit 18d1f6e5df
1 changed files with 21 additions and 13 deletions
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34
sandbox/contributions/searchbean/src/java/org/apache/lucene/beans/HitsIterator.java
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@ -42,7 +42,7 @@ public class HitsIterator {
private int totalPages = -1; // set by constructor
private int endPagePosition = 0; // position currentPage ends
/** Creates new HitsIterator */
private HitsIterator() {
}
@ -54,7 +54,7 @@ public class HitsIterator {
public HitsIterator(Hits hits, String sortFlag) throws IOException{
this.hitsCollection = hits;
if (sortFlag != null){
if ((sortFlag != "") && (sortFlag !="relevance")){
if ((sortFlag != "") && (sortFlag.equals(SearchBean.SORT_FIELD_RELEVANCE))){
//logger.debug("Sorting hits by field "+sortFlag);
sortByField(sortFlag);
//logger.debug("Completed sorting by field "+sortFlag);
@ -80,7 +80,9 @@ public class HitsIterator {
if (sf !=null){
c = (Comparator) new CompareDocumentsByField();
} else {
//logger.error("Sort field not found");
//logger.error("Sort field not found");
// use default sort of Lucene -- Relevance
// Should I throw an exception here?
arrayOfIndividualHits = null;
return;
}
@ -100,14 +102,17 @@ public class HitsIterator {
private void setPageCount() {
totalPages = totalHits / pageSize;
//account for remainder if not exaxtly divisable
if (totalHits % pageSize != 0)
{ totalPages++;}
setCurrentPage(1); // reset currentPage to make sure not over the limit
if (totalHits == 0){
totalPages = 0;
setCurrentPage(0);
} else {
totalPages = totalHits / pageSize;
//account for remainder if not exaxtly divisable
if (totalHits % pageSize != 0)
{ totalPages++;}
setCurrentPage(1); // reset currentPage to make sure not over the limit
}
}
public int getPageCount() {
@ -151,6 +156,7 @@ public class HitsIterator {
}
public org.apache.lucene.document.Document getDoc() throws IOException {
// Determine if using relevnace or sorting by another field
if (arrayOfIndividualHits == null)
return hitsCollection.doc(currentPosition - 1);
else {
@ -160,6 +166,7 @@ public class HitsIterator {
}
public int getScore() throws Exception{
// Determine if using relevnace or sorting by another field
if (arrayOfIndividualHits == null)
return (int) (hitsCollection.score(currentPosition - 1)*100.0f);
else
@ -184,8 +191,9 @@ public class HitsIterator {
}
public void setCurrentPage(int currentPage) throws IndexOutOfBoundsException{
if (currentPage > totalPages){
throw new IndexOutOfBoundsException("currentPage greater than total pages");
if (currentPage > totalPages){
currentPage = totalPages; // don't allow to go over max
//throw new IndexOutOfBoundsException("currentPage greater than total pages");
}
this.currentPage = currentPage;