private Map<TestData.Key, Collection<TestData.Value>> collectData(Generator iter, int num)
throws Exception {
Map<TestData.Key, Collection<TestData.Value>> map =
new HashMap<TestData.Key, Collection<TestData.Value>>();
Record pair = new Record();
for (int i = 0; i < num; i++) {
iter.next(pair);
TestData.Key key = pair.getField(0, TestData.Key.class);
if (!map.containsKey(key)) {
map.put(new TestData.Key(key.getKey()), new ArrayList<TestData.Value>());
}
Collection<TestData.Value> values = map.get(key);
values.add(new TestData.Value(pair.getField(1, TestData.Value.class).getValue()));
}
return map;
}
