com.atomikos.icatch.imp.TransactionTransitionTable Maven / Gradle / Ivy
/**
* Copyright (C) 2000-2016 Atomikos
*
* This code ("Atomikos TransactionsEssentials"), by itself,
* is being distributed under the
* Apache License, Version 2.0 ("License"), a copy of which may be found at
* http://www.atomikos.com/licenses/apache-license-2.0.txt .
* You may not use this file except in compliance with the License.
*
* While the License grants certain patent license rights,
* those patent license rights only extend to the use of
* Atomikos TransactionsEssentials by itself.
*
* This code (Atomikos TransactionsEssentials) contains certain interfaces
* in package (namespace) com.atomikos.icatch
* (including com.atomikos.icatch.Participant) which, if implemented, may
* infringe one or more patents held by Atomikos.
* It should be appreciated that you may NOT implement such interfaces;
* licensing to implement these interfaces must be obtained separately from Atomikos.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*/
package com.atomikos.icatch.imp;
import com.atomikos.finitestates.TransitionTable;
import com.atomikos.icatch.TxState;
/**
*
*
* A transition table for transaction coordinator objects.
*/
class TransactionTransitionTable implements TransitionTable {
/**
* This method allows checking whether a transition is valid.
*
* @param from
* The start state of the transition.
* @param to
* The end state of the transition.
* @return true if the transition is allowed, false otherwise.
*/
public boolean legalTransition(TxState from, TxState to) {
return from.transitionAllowedTo(to);
}
}