/**
* Optimize all index databases
*
* @param executor An executor to run the job
* @throws IOException if an error occurs
*/
static void optimizeAll(ExecutorService executor) throws IOException {
List<IndexDatabase> dbs = new ArrayList<IndexDatabase>();
RuntimeEnvironment env = RuntimeEnvironment.getInstance();
if (env.hasProjects()) {
for (Project project : env.getProjects()) {
dbs.add(new IndexDatabase(project));
}
} else {
dbs.add(new IndexDatabase());
}
for (IndexDatabase d : dbs) {
final IndexDatabase db = d;
if (db.isDirty()) {
executor.submit(
new Runnable() {
@Override
public void run() {
try {
db.update();
} catch (Throwable e) {
log.log(Level.SEVERE, "Problem updating lucene index database: ", e);
}
}
});
}
}
}
/**
* Update the index database for a number of sub-directories
*
* @param executor An executor to run the job
* @param listener where to signal the changes to the database
* @param paths
* @throws IOException if an error occurs
*/
public static void update(
ExecutorService executor, IndexChangedListener listener, List<String> paths)
throws IOException {
RuntimeEnvironment env = RuntimeEnvironment.getInstance();
List<IndexDatabase> dbs = new ArrayList<IndexDatabase>();
for (String path : paths) {
Project project = Project.getProject(path);
if (project == null && env.hasProjects()) {
log.log(Level.WARNING, "Could not find a project for \"{0}\"", path);
} else {
IndexDatabase db;
try {
if (project == null) {
db = new IndexDatabase();
} else {
db = new IndexDatabase(project);
}
int idx = dbs.indexOf(db);
if (idx != -1) {
db = dbs.get(idx);
}
if (db.addDirectory(path)) {
if (idx == -1) {
dbs.add(db);
}
} else {
log.log(Level.WARNING, "Directory does not exist \"{0}\"", path);
}
} catch (IOException e) {
log.log(Level.WARNING, "An error occured while updating index", e);
}
}
for (final IndexDatabase db : dbs) {
db.addIndexChangedListener(listener);
executor.submit(
new Runnable() {
@Override
public void run() {
try {
db.update();
} catch (Throwable e) {
log.log(Level.SEVERE, "An error occured while updating index", e);
}
}
});
}
}
}
static void listFrequentTokens(List<String> subFiles) throws IOException {
final int limit = 4;
RuntimeEnvironment env = RuntimeEnvironment.getInstance();
if (env.hasProjects()) {
if (subFiles == null || subFiles.isEmpty()) {
for (Project project : env.getProjects()) {
IndexDatabase db = new IndexDatabase(project);
db.listTokens(4);
}
} else {
for (String path : subFiles) {
Project project = Project.getProject(path);
if (project == null) {
log.log(Level.WARNING, "Warning: Could not find a project for \"{0}\"", path);
} else {
IndexDatabase db = new IndexDatabase(project);
db.listTokens(4);
}
}
}
} else {
IndexDatabase db = new IndexDatabase();
db.listTokens(limit);
}
}