public int countPending(Connection connection) {
PreparedStatement pst = null;
ResultSet rst = null;
try {
pst =
connection.prepareStatement(
"select count(*) from " //$NON-NLS-1$
+ SEARCH_BUILDER_ITEM_T
+ " where searchstate = ? "); //$NON-NLS-1$
pst.clearParameters();
pst.setInt(1, SearchBuilderItem.STATE_PENDING.intValue());
rst = pst.executeQuery();
if (rst.next()) {
return rst.getInt(1);
}
return 0;
} catch (SQLException sqlex) {
return 0;
} finally {
try {
rst.close();
} catch (Exception ex) {
log.debug(ex);
}
try {
pst.close();
} catch (Exception ex) {
log.debug(ex);
}
}
}
/**
* get the master action of known master item
*
* @param master
* @return
*/
private Integer getMasterAction(SearchBuilderItem master) {
if (master.getName().equals(SearchBuilderItem.GLOBAL_MASTER)) {
if (SearchBuilderItem.STATE_PENDING.equals(master.getSearchstate())) {
return master.getSearchaction();
}
}
return SearchBuilderItem.STATE_UNKNOWN;
}
/**
* get the action for the site master
*
* @param siteMaster
* @return
*/
private Integer getSiteMasterAction(SearchBuilderItem siteMaster) {
if (siteMaster.getName().startsWith(SearchBuilderItem.INDEX_MASTER)
&& !SearchBuilderItem.GLOBAL_CONTEXT.equals(siteMaster.getContext())) {
if (SearchBuilderItem.STATE_PENDING.equals(siteMaster.getSearchstate())) {
return siteMaster.getSearchaction();
}
}
return SearchBuilderItem.STATE_UNKNOWN;
}
private List findPending(int batchSize, Connection connection, SearchIndexBuilderWorker worker)
throws SQLException {
// Pending is the first 100 items
// State == PENDING
// Action != Unknown
long start = System.currentTimeMillis();
try {
log.debug("TXFind pending with " + connection); // $NON-NLS-1$
SearchBuilderItem masterItem = getMasterItem(connection);
Integer masterAction = getMasterAction(masterItem);
log.debug(
" Master Item is "
+ masterItem.getName()
+ ":" //$NON-NLS-1$ //$NON-NLS-2$
+ masterItem.getSearchaction()
+ ":" //$NON-NLS-1$
+ masterItem.getSearchstate()
+ "::" //$NON-NLS-1$
+ masterItem.getVersion());
if (SearchBuilderItem.ACTION_REFRESH.equals(masterAction)) {
log.debug(" Master Action is " + masterAction); // $NON-NLS-1$
log.debug(" REFRESH = " + SearchBuilderItem.ACTION_REFRESH); // $NON-NLS-1$
log.debug(" RELOAD = " + SearchBuilderItem.ACTION_REBUILD); // $NON-NLS-1$
// get a complete list of all items, before the master
// action version
// if there are none, update the master action action to
// completed
// and return a blank list
refreshIndex(connection, masterItem);
} else if (SearchBuilderItem.ACTION_REBUILD.equals(masterAction)) {
rebuildIndex(connection, masterItem, worker);
} else {
// get all site masters and perform the required action.
List siteMasters = getSiteMasterItems(connection);
for (Iterator i = siteMasters.iterator(); i.hasNext(); ) {
SearchBuilderItem siteMaster = (SearchBuilderItem) i.next();
Integer action = getSiteMasterAction(siteMaster);
if (SearchBuilderItem.ACTION_REBUILD.equals(action)) {
rebuildIndex(connection, siteMaster, worker);
} else if (SearchBuilderItem.ACTION_REFRESH.equals(action)) {
refreshIndex(connection, siteMaster);
}
}
}
PreparedStatement pst = null;
PreparedStatement lockedPst = null;
ResultSet rst = null;
try {
pst =
connection.prepareStatement(
"select " //$NON-NLS-1$
+ SEARCH_BUILDER_ITEM_FIELDS
+ " from " //$NON-NLS-1$
+ SEARCH_BUILDER_ITEM_T
+ " where searchstate = ? and " //$NON-NLS-1$
+ " itemscope = ? order by version "); //$NON-NLS-1$
lockedPst =
connection.prepareStatement(
"update " //$NON-NLS-1$
+ SEARCH_BUILDER_ITEM_T
+ " set searchstate = ? " //$NON-NLS-1$
+ " where id = ? and searchstate = ? "); //$NON-NLS-1$
pst.clearParameters();
pst.setInt(1, SearchBuilderItem.STATE_PENDING.intValue());
pst.setInt(2, SearchBuilderItem.ITEM.intValue());
rst = pst.executeQuery();
ArrayList<SearchBuilderItemImpl> a = new ArrayList<SearchBuilderItemImpl>();
while (rst.next() && a.size() < batchSize) {
SearchBuilderItemImpl sbi = new SearchBuilderItemImpl();
populateSearchBuilderItem(rst, sbi);
if (!SearchBuilderItem.ACTION_UNKNOWN.equals(sbi.getSearchaction())) {
lockedPst.clearParameters();
lockedPst.setInt(1, SearchBuilderItem.STATE_LOCKED.intValue());
lockedPst.setString(2, sbi.getId());
lockedPst.setInt(3, SearchBuilderItem.STATE_PENDING.intValue());
if (lockedPst.executeUpdate() == 1) {
sbi.setSearchstate(SearchBuilderItem.STATE_LOCKED);
a.add(sbi);
}
connection.commit();
}
}
return a;
} finally {
try {
rst.close();
} catch (Exception ex) {
log.debug(ex);
}
try {
pst.close();
} catch (Exception ex) {
log.debug(ex);
}
}
} finally {
long finish = System.currentTimeMillis();
log.debug(" findPending took " + (finish - start) + " ms"); // $NON-NLS-1$ //$NON-NLS-2$
}
}