public void testDefrag1() throws IOException {
String file = newTestFile();
DBStore m = new DBStore(file, false, false, false);
long loc = m.insert("123");
m.defrag(true);
m.close();
m = new DBStore(file, false, false, false);
assertEquals(m.fetch(loc), "123");
}
public void testDefragBtree() throws IOException {
String file = newTestFile();
DBStore m = new DBStore(file, false, false, false);
Map t = m.createTreeMap("aa");
TreeMap t2 = new TreeMap();
for (int i = 0; i < 10000; i++) {
t.put(i, "" + i);
t2.put(i, "" + i);
}
m.defrag(true);
m.close();
m = new DBStore(file, false, false, false);
t = m.getTreeMap("aa");
assertEquals(t, t2);
}
/**
* This method is used to convert an RMI remote reference to a Base object to a reference to the
* local copy.
*
* <p>Needed for RMI under JDK 1.1.
*/
public DBObjectBase getBaseFromKey(short id) {
if (editor != null) {
return (DBObjectBase) baseHash.get(Short.valueOf(id));
} else {
return store.getObjectBase(id);
}
}
public void testDefrag2() throws IOException {
String file = newTestFile();
DBStore m = new DBStore(file, false, false, false);
TreeMap<Long, String> map = new TreeMap<Long, String>();
for (int i = 0; i < 10000; i++) {
long loc = m.insert("" + i);
map.put(loc, "" + i);
}
m.defrag(true);
m.close();
m = new DBStore(file, false, false, false);
for (Long l : map.keySet()) {
String val = map.get(l);
assertEquals(val, m.fetch(l));
}
}
/**
* This method tells the CategoryNode what it's containing category is.
*
* @see arlut.csd.ganymede.rmi.CategoryNode
*/
public void setCategory(Category category) {
DBBaseCategory cat;
String path;
/* -- */
if (category == null) {
parent = null;
return;
}
if (!(category instanceof DBBaseCategory)) {
// we need a local reference
try {
path = category.getPath();
} catch (RemoteException ex) {
throw new RuntimeException("couldn't get path of remote category: " + ex);
}
if (debug) {
System.err.println("** Attempting to find local copy of category " + path);
}
// getCategoryNode could also return a DBObjectBase, but not
// in this context
if (editor == null) {
cat = (DBBaseCategory) store.getCategoryNode(path);
} else {
cat = (DBBaseCategory) editor.getCategoryNode(path);
}
if (cat == null) {
throw new RuntimeException("setCategory: couldn't find local parent category");
}
parent = cat;
} else {
parent = (DBBaseCategory) category;
}
}
public void testDefragLinkedList() throws Exception {
String file = newTestFile();
DBStore r = new DBStore(file, false, false, false);
List l = r.createLinkedList("test");
Map<Long, Double> junk = new LinkedHashMap<Long, Double>();
for (int i = 0; i < 1e4; i++) {
// insert some junk
Double d = Math.random();
l.add(d);
junk.put(r.insert(d), d);
}
r.commit();
// make copy of linked list
List l2 = new ArrayList(l);
long oldRecCount = r.countRecords();
r.defrag(true);
r.close();
r = new DBStore(file, false, false, false);
assertEquals(oldRecCount, r.countRecords());
// compare that list was unchanged
assertEquals(l2, new ArrayList(r.getLinkedList("test")));
// and check that random junk still have the same recids
for (Long recid : junk.keySet()) {
assertEquals(junk.get(recid), r.fetch(recid));
}
r.close();
}
/** Reads this category and its contents from <in>, in ganymede.db form. */
synchronized void receive(DataInput in, DBBaseCategory parent) throws IOException {
String pathName;
int count, lastSlash;
/* -- */
// read in category name
pathName = in.readUTF();
// we stopped using an explicitly stored display order field at
// DBStore 2.0
if (store.isLessThan(2, 0)) {
tmp_displayOrder = in.readInt();
} else {
tmp_displayOrder = -1;
}
// now parse our path name to get our path
lastSlash = pathName.lastIndexOf('/');
// and take our leaf's name
name = pathName.substring(lastSlash + 1);
// and get our parent
this.parent = parent;
// how many nodes under this category?
count = in.readInt();
if (false) {
System.err.println(
"DBBaseCategory.receive(): reading in " + count + " subcategories and bases");
}
for (int i = 0; i < count; i++) {
// starting at 2.0, we started reading DBObjectBases in during
// category reading.
if (store.isAtLeast(2, 0)) {
if (in.readBoolean()) {
DBObjectBase tempBase = new DBObjectBase(in, store);
store.setBase(tempBase); // register in DBStore objectBases hash
// we want to add this node to the end of this
// category, since we are reading them in order.
addNodeAfter(tempBase, null);
} else {
// we want to add this node to the end of this
// category, since we are reading them in order.
addNodeAfter(new DBBaseCategory(store, in), null);
}
} else {
// we're reading an old file, and we'll never see a
// DBObjectBase here
addNodeAfter(new DBBaseCategory(store, in), null);
}
}
}
