// We never actually reindex posts currently, implement just for completeness
@Override
protected void doDelete(IndexReader reader, List<Object> ids) throws IOException {
for (Object o : ids) {
Guid guid = (Guid) o;
Term term = new Term("id", guid.toString());
reader.deleteDocuments(term);
}
}
/** 具体执行删除索引的方法，将被工作流中DeleteTask类的workrun()方法调用。 */
public void deleteIndex() throws IOException {
Directory fsDir = FSDirectory.getDirectory(indexFile);
Term t = new Term("ID", String.valueOf(this.id));
IndexReader reader = IndexReader.open(fsDir);
reader.deleteDocuments(t);
reader.close();
fsDir.close();
}
public void delete02() {
try {
reader.deleteDocuments(new Term("id", "1"));
} catch (CorruptIndexException e) {
e.printStackTrace();
} catch (LockObtainFailedException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
private void processDeletes(
SearchIndexBuilderWorker worker, Connection connection, List<SearchBuilderItem> runtimeToDo)
throws SQLException, IOException {
if (indexStorage.indexExists()) {
IndexReader indexReader = null;
try {
indexReader = indexStorage.getIndexReader();
// Open the index
for (Iterator<SearchBuilderItem> tditer = runtimeToDo.iterator();
worker.isRunning() && tditer.hasNext(); ) {
SearchBuilderItem sbi = (SearchBuilderItem) tditer.next();
if (!SearchBuilderItem.STATE_LOCKED.equals(sbi.getSearchstate())) {
// should only be getting pending
// items
log.warn(
" Found Item that was not pending " //$NON-NLS-1$
+ sbi.getName());
continue;
}
if (SearchBuilderItem.ACTION_UNKNOWN.equals(sbi.getSearchaction())) {
sbi.setSearchstate(SearchBuilderItem.STATE_COMPLETED);
updateOrSave(connection, sbi);
continue;
}
// remove document
// if this is mult segment it might not work.
try {
indexReader.deleteDocuments(new Term(SearchService.FIELD_REFERENCE, sbi.getName()));
if (SearchBuilderItem.ACTION_DELETE.equals(sbi.getSearchaction())) {
sbi.setSearchstate(SearchBuilderItem.STATE_COMPLETED);
updateOrSave(connection, sbi);
} else {
sbi.setSearchstate(SearchBuilderItem.STATE_PENDING_2);
}
} catch (IOException ex) {
log.warn("Failed to delete Page ", ex); // $NON-NLS-1$
}
}
} finally {
if (indexReader != null) {
indexStorage.closeIndexReader(indexReader);
indexReader = null;
}
}
}
}
/** @see LuceneIndexReader#deleteDocuments(Term) */
public int deleteDocuments(Term term) throws IOException {
return indexReader.deleteDocuments(term);
}
