@Override
public Document increment(CharSequence name, Value increment) {
if (!increment.isNumber())
throw new IllegalArgumentException("The increment must be a number but is " + increment);
if (fields.containsKey(name)) {
Number current = getNumber(name);
if (current != null) {
Value updated = Value.create(MathOps.add(current, increment.asNumber()));
setValue(name, Value.create(updated));
}
} else {
setValue(name, increment);
}
return this;
}
@Test
public void testAsSetAction() throws Exception {
final Value<String> value = Value.create("1");
assertEquals(value.get(), "1");
TestSubscriber<String> testSubscriber = new TestSubscriber<>();
Subscription subscribe = value.asObservable().subscribe(testSubscriber);
value.asSetAction().call("2");
testSubscriber.assertValueCount(2);
testSubscriber.assertValues("1", "2");
}
@Override
public Value remove(CharSequence name) {
if (!fields.containsKey(name)) return null;
Comparable<?> removedValue = fields.remove(name);
return Value.create(removedValue);
}
@Override
public Value get(CharSequence fieldName, Comparable<?> defaultValue) {
Value value = fields.get(fieldName);
return value != null ? value : Value.create(defaultValue);
}
