/** Clear the map. */
public void clear() {
// TODO truncate transactionally
map.clear();
}
private void testConcurrentFree() throws InterruptedException {
String fileName = "memFS:testConcurrentFree.h3";
for (int test = 0; test < 10; test++) {
FileUtils.delete(fileName);
final MVStore s1 = new MVStore.Builder().fileName(fileName).autoCommitDisabled().open();
s1.setRetentionTime(0);
final int count = 200;
for (int i = 0; i < count; i++) {
MVMap<Integer, Integer> m = s1.openMap("d" + i);
m.put(1, 1);
if (i % 2 == 0) {
s1.commit();
}
}
s1.close();
final MVStore s = new MVStore.Builder().fileName(fileName).autoCommitDisabled().open();
s.setRetentionTime(0);
final ArrayList<MVMap<Integer, Integer>> list = New.arrayList();
for (int i = 0; i < count; i++) {
MVMap<Integer, Integer> m = s.openMap("d" + i);
list.add(m);
}
final AtomicInteger counter = new AtomicInteger();
Task task =
new Task() {
@Override
public void call() throws Exception {
while (!stop) {
int x = counter.getAndIncrement();
if (x >= count) {
break;
}
MVMap<Integer, Integer> m = list.get(x);
m.clear();
s.removeMap(m);
}
}
};
task.execute();
Thread.sleep(1);
while (true) {
int x = counter.getAndIncrement();
if (x >= count) {
break;
}
MVMap<Integer, Integer> m = list.get(x);
m.clear();
s.removeMap(m);
if (x % 5 == 0) {
s.commit();
}
}
task.get();
s.commit();
MVMap<String, String> meta = s.getMetaMap();
int chunkCount = 0;
for (String k : meta.keyList()) {
if (k.startsWith("chunk.")) {
chunkCount++;
}
}
assertEquals(1, chunkCount);
s.close();
}
FileUtils.deleteRecursive("memFS:", false);
}