Revision: 14567
http://gate.svn.sourceforge.net/gate/?rev=14567&view=rev
Author: valyt
Date: 2011-11-17 16:27:55 +0000 (Thu, 17 Nov 2011)
Log Message:
-----------
Started work on the new QueryRunner API.
Modified Paths:
--------------
mimir/trunk/mimir-core/src/gate/mimir/search/RankingQueryRunnerImpl.java
Modified:
mimir/trunk/mimir-core/src/gate/mimir/search/RankingQueryRunnerImpl.java
===================================================================
--- mimir/trunk/mimir-core/src/gate/mimir/search/RankingQueryRunnerImpl.java
2011-11-17 14:15:57 UTC (rev 14566)
+++ mimir/trunk/mimir-core/src/gate/mimir/search/RankingQueryRunnerImpl.java
2011-11-17 16:27:55 UTC (rev 14567)
@@ -43,7 +43,7 @@
/**
* A QueryRunner implementation that does ranking.
*/
-public class RankingQueryRunnerImpl implements QueryRunner, Runnable {
+public class RankingQueryRunnerImpl implements Runnable {
/**
* When doing ranking, this class is used to delegate the iteration of
@@ -112,6 +112,7 @@
* built, so some elements may be null.
*/
protected ObjectList<Binding[]> documentHits;
+
/**
* The order the documents should be returned in (elements in this list are
@@ -150,8 +151,7 @@
/* (non-Javadoc)
* @see gate.mimir.search.QueryRunner#getMoreHits()
*/
- @Override
- public synchronized void getMoreHits() throws IOException {
+ protected synchronized void getMoreHits() throws IOException {
if(runningThread != null){
//we're already running -> ignore
return;
@@ -163,164 +163,46 @@
new Thread(this, getClass().getName()).start();
}
}
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#setStageMaxHits(int)
+
+
+ /**
+ * Gets the number of documents found to contain hits. If the search has not
+ * yet completed, then -1 is returned.
+ * @return
*/
- @Override
- public void setStageMaxHits(int maxHits) throws IOException {
- // TODO Auto-generated method stub
+ public int getDocumentsCount() {
+ if(queryExecutor == null) return documentIds.size();
+ else return -1;
}
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#setStageTimeout(int)
+ /**
+ * Gets the number of documents found to contain hits so far. After the
search
+ * completes, the result returned by this call is identical to that of
+ * {@link #getDocumentsCount()}.
+ * @return
*/
- @Override
- public void setStageTimeout(int timeout) throws IOException {
- // TODO Auto-generated method stub
+ public int getCurrentDocumentsCount() {
+ return documentIds.size();
}
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#getHitsCount()
+
+ /**
+ * Gets the ID of a document found to contain hits.
+ * @param index the index of the desired document in the list of documents.
+ * This should be a value between 0 and {@link #getDocumentsCount()} -1.
+ *
+ * @return an int value, representing the ID of the requested document.
+ * @throws IndexOutOfBoundsException is the index provided is less than
zero,
+ * or greater than {@link #getDocumentsCount()} -1.
*/
- @Override
- public int getHitsCount() {
- // TODO Auto-generated method stub
- return 0;
- }
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#getDocumentsCount()
- */
- @Override
- public int getDocumentsCount() {
- // TODO Auto-generated method stub
- return 0;
- }
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#getDocumentID(int)
- */
- @Override
public int getDocumentID(int index) throws IndexOutOfBoundsException {
- // TODO Auto-generated method stub
- return 0;
+ // TODO: check position index has been ranked yet
+ if(documentsOrder != null) {
+ return documentIds.getInt(documentsOrder.getInt(index));
+ } else {
+ return documentIds.getInt(index);
+ }
}
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#getDocumentHitsCount(int)
- */
- @Override
- public int getDocumentHitsCount(int index) throws IndexOutOfBoundsException {
- // TODO Auto-generated method stub
- return 0;
- }
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#getHits(int, int)
- */
- @Override
- public List<Binding> getHits(int startIndex, int hitCount)
- throws IndexOutOfBoundsException {
- // TODO Auto-generated method stub
- return null;
- }
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#getHitsForDocument(int)
- */
- @Override
- public List<Binding> getHitsForDocument(int documentId)
- throws IndexOutOfBoundsException {
- // TODO Auto-generated method stub
- return null;
- }
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#renderDocument(int,
java.lang.Appendable)
- */
- @Override
- public void renderDocument(int documentId, Appendable out)
- throws IOException, IndexException {
- // TODO Auto-generated method stub
- }
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#getDocumentURI(int)
- */
- @Override
- public String getDocumentURI(int documentID) throws IndexException {
- // TODO Auto-generated method stub
- return null;
- }
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#getDocumentTitle(int)
- */
- @Override
- public String getDocumentTitle(int documentID) throws IndexException {
- // TODO Auto-generated method stub
- return null;
- }
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#getDocumentMetadataField(int,
java.lang.String)
- */
- @Override
- public Serializable getDocumentMetadataField(int docID, String fieldName)
- throws IndexException {
- // TODO Auto-generated method stub
- return null;
- }
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#getDocumentMetadataFields(int,
java.util.Set)
- */
- @Override
- public Map<String, Serializable> getDocumentMetadataFields(int docID,
- Set<String>
fieldNames)
- throws IndexException {
- // TODO Auto-generated method stub
- return null;
- }
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#getDocumentText(int, int, int)
- */
- @Override
- public String[][] getDocumentText(int documentID, int termPosition, int
length)
- throws IndexException {
- // TODO Auto-generated method stub
- return null;
- }
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#isActive()
- */
- @Override
- public boolean isActive() {
- // TODO Auto-generated method stub
- return false;
- }
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#isComplete()
- */
- @Override
- public boolean isComplete() {
- // TODO Auto-generated method stub
- return false;
- }
-
- /* (non-Javadoc)
- * @see gate.mimir.search.QueryRunner#close()
- */
- @Override
- public void close() throws IOException {
- // TODO Auto-generated method stub
- }
-
/**
* Creates an {@link IntIterator} used for enumerating the documents in the
* correct order for returning to the user.
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