// <editor-fold defaultstate="collapsed" desc="named()">
public FunctionSetHelper named(final String name) {
if (name == null) throw new IllegalArgumentException("name==null");
if (mem == null) return new FunctionSetHelper(Iterators.<Function>empty());
Object o = mem.get(name);
if (o instanceof Function) {
FunctionSetHelper fs = new FunctionSetHelper(Iterators.<Function>single((Function) o));
fs.mem = mem;
return fs;
}
if (o instanceof FunctionSet) {
FunctionSetHelper fs = new FunctionSetHelper(((FunctionSet) o).getFunctions());
fs.mem = mem;
return fs;
}
return new FunctionSetHelper(Iterators.<Function>empty());
}
// <editor-fold defaultstate="collapsed" desc="export">
protected void zip(
ByteArrayOutputStream zipDataFile,
File directoryRoot,
boolean includeRoot,
String fileNameSplitter)
throws IOException {
ZipOutputStream zip = new ZipOutputStream(zipDataFile);
for (TreeWalk<File> twf : FileUtil.Iterators.walkTW(directoryRoot)) {
File f = twf.currentNode();
if (!f.isFile()) continue;
List<File> path = Iterators.asList(twf.nodePath());
if (!includeRoot && path.size() == 1) {
continue;
}
ArrayList<String> name = new ArrayList<String>();
int fpi = -1;
for (File fp : path) {
fpi++;
if (fpi == 0) {
if (!includeRoot) continue;
}
name.add(fp.getName());
}
ZipEntry ze = new ZipEntry(Text.join(name, fileNameSplitter));
zip.putNextEntry(ze);
FileInputStream fin = new FileInputStream(f);
FileUtil.copyAllData(fin, zip);
fin.close();
zip.closeEntry();
}
zip.finish();
zip.close();
}
// <editor-fold defaultstate="collapsed" desc="count()">
public int count() {
Iterable<Function> itrf = functions();
long c = Iterators.count(itrf);
return new Long(c).intValue();
}
// <editor-fold defaultstate="collapsed" desc="filter">
public Iterable<Function> filter(Iterable<Function> src, Predicate<Function> f) {
if (src == null) throw new IllegalArgumentException("src==null");
if (f == null) throw new IllegalArgumentException("f==null");
return Iterators.predicate(src, f);
}
// <editor-fold defaultstate="collapsed" desc="functions()">
public Iterable<Function> functions() {
if (fset != null) return fset.getFunctions();
if (funitr != null) return funitr;
return Iterators.empty();
}