public Builder transition(Transition transition) {
Preconditions.checkArgument(
states.contains(transition.from()),
"Originating state does not exist: " + transition.from());
Preconditions.checkArgument(
states.contains(transition.to()), "Destination state does not exist: " + transition.to());
outTransitions.put(transition.from(), transition);
return this;
}
@Test
public void test_simplest_transition() throws Exception {
Transition transition = Transition.builder("close").from("OPEN").to("CLOSED").build();
assertThat(transition.key()).isEqualTo("close");
assertThat(transition.from()).isEqualTo("OPEN");
assertThat(transition.to()).isEqualTo("CLOSED");
assertThat(transition.conditions()).isEmpty();
assertThat(transition.functions()).isEmpty();
}
/**
* This implements a deep copy of the class for replicating FSM information.
*
* @throws CloneNotSupportedException if clone method is not supported
* @return Object
*/
@Override
public Object clone() throws CloneNotSupportedException {
Transition retval = (Transition) super.clone();
if (retval != null) {
if (this.from != null) retval.from = new String(this.from);
if (this.to != null) retval.to = new String(this.to);
if (this.event != null) retval.event = new String(this.event);
}
return retval;
}
@Test
public void test_builder() throws Exception {
Transition transition =
Transition.builder("close")
.from("OPEN")
.to("CLOSED")
.conditions(condition1, condition2)
.functions(function1, function2)
.build();
assertThat(transition.key()).isEqualTo("close");
assertThat(transition.from()).isEqualTo("OPEN");
assertThat(transition.to()).isEqualTo("CLOSED");
assertThat(transition.conditions()).containsOnly(condition1, condition2);
assertThat(transition.functions()).containsOnly(function1, function2);
assertThat(transition.automatic()).isFalse();
}
