private IStatus rebuildIndexCompletely(SubMonitor monitor)
throws CorruptIndexException, LockObtainFailedException, IOException, CoreException {
MultiStatus multiStatus = new MultiStatus(TasksIndexCore.ID_PLUGIN, 0, null, null);
// get indexable tasks from the task list
final TaskListState taskListState = new TaskListState();
taskList.run(taskListState, monitor.newChild(0));
monitor.beginTask(
Messages.TaskListIndex_task_rebuilding_index, taskListState.indexableTasks.size());
try {
IndexWriter writer;
try {
writer = createIndexWriter(true);
} catch (CorruptIndexException e) {
if (directory instanceof FSDirectory) {
cleanDirectory(((FSDirectory) directory).getFile());
writer = createIndexWriter(true);
} else {
throw e;
}
}
try {
for (ITask task : taskListState.indexableTasks) {
if (taskIsIndexable(task, null)) {
try {
TaskData taskData = dataManager.getTaskData(task);
add(writer, task, taskData);
} catch (CoreException e) {
// an individual task data error should not prevent the index from updating
multiStatus.add(e.getStatus());
}
}
monitor.worked(1);
}
synchronized (this) {
rebuildIndex = false;
}
} finally {
writer.close();
}
} finally {
monitor.done();
}
return multiStatus;
}
private void initialize() {
if (!rebuildIndex) {
IndexReader indexReader = null;
try {
indexReader = getIndexReader();
} catch (Exception e) {
// ignore, this can happen if the index is corrupt
}
if (indexReader == null) {
rebuildIndex = true;
}
}
maintainIndexJob = new MaintainIndexJob();
dataManager.addListener(this);
taskList.addChangeListener(this);
repositoryManager.addListener(this);
scheduleIndexMaintenance(MaintainIndexType.STARTUP);
}
public void close() {
dataManager.removeListener(this);
taskList.removeChangeListener(this);
repositoryManager.removeListener(this);
maintainIndexJob.cancel();
try {
maintainIndexJob.join();
} catch (InterruptedException e) {
// ignore
}
Lock writeLock = indexReaderLock.writeLock();
writeLock.lock();
try {
synchronized (this) {
if (indexReader != null) {
try {
indexReader.close();
} catch (IOException e) {
// ignore
}
indexReader = null;
}
}
if (directory != null) {
try {
directory.close();
} catch (IOException e) {
StatusHandler.log(
new Status(
IStatus.ERROR,
TasksIndexCore.ID_PLUGIN,
"Cannot close index: " + e.getMessage(),
e)); //$NON-NLS-1$
}
}
} finally {
writeLock.unlock();
}
}