ConnectionStateEvent.java
- /**
- *
- * Copyright 2018-2020 Florian Schmaus
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * 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.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package org.jivesoftware.smack.fsm;
- import org.jivesoftware.smack.fsm.StateDescriptorGraph.GraphVertex;
- public class ConnectionStateEvent {
- private final StateDescriptor currentStateDescriptor;
- private final StateDescriptor successorStateDescriptor;
- private final long timestamp;
- public ConnectionStateEvent(StateDescriptor currentStateDescriptor) {
- this(currentStateDescriptor, null);
- }
- public ConnectionStateEvent(StateDescriptor currentStateDescriptor, StateDescriptor successorStateDescriptor) {
- this.currentStateDescriptor = currentStateDescriptor;
- this.successorStateDescriptor = successorStateDescriptor;
- this.timestamp = System.currentTimeMillis();
- }
- public StateDescriptor getStateDescriptor() {
- return currentStateDescriptor;
- }
- @Override
- public String toString() {
- if (successorStateDescriptor == null) {
- return getClass().getSimpleName() + ": " + currentStateDescriptor.getStateName();
- } else {
- return currentStateDescriptor.getStateName() + ' ' + getClass().getSimpleName() + ' '
- + successorStateDescriptor.getStateName();
- }
- }
- public long getTimestamp() {
- return timestamp;
- }
- public static class StateRevertBackwardsWalk extends ConnectionStateEvent {
- public StateRevertBackwardsWalk(State state) {
- super(state.getStateDescriptor());
- }
- }
- public static class FinalStateReached extends ConnectionStateEvent {
- public FinalStateReached(State state) {
- super(state.getStateDescriptor());
- }
- }
- public static class TransitionNotPossible extends ConnectionStateEvent {
- private final StateTransitionResult.TransitionImpossible transitionImpossibleReason;
- public TransitionNotPossible(State currentState, State successorState, StateTransitionResult.TransitionImpossible reason) {
- super(currentState.getStateDescriptor(), successorState.getStateDescriptor());
- this.transitionImpossibleReason = reason;
- }
- @Override
- public String toString() {
- return super.toString() + ": " + transitionImpossibleReason;
- }
- }
- public static class AboutToTransitionInto extends ConnectionStateEvent {
- public AboutToTransitionInto(State currentState, State successorState) {
- super(currentState.getStateDescriptor(), successorState.getStateDescriptor());
- }
- }
- public static class TransitionFailed extends ConnectionStateEvent {
- private final StateTransitionResult.Failure transitionFailedReason;
- public TransitionFailed(State currentState, State failedSuccessorState, StateTransitionResult.Failure transitionFailedReason) {
- super(currentState.getStateDescriptor(), failedSuccessorState.getStateDescriptor());
- this.transitionFailedReason = transitionFailedReason;
- }
- @Override
- public String toString() {
- return super.toString() + ": " + transitionFailedReason;
- }
- }
- public static class TransitionIgnoredDueCycle extends ConnectionStateEvent {
- public TransitionIgnoredDueCycle(GraphVertex<State> currentStateVertex, GraphVertex<State> successorStateVertexCausingCycle) {
- super(currentStateVertex.getElement().getStateDescriptor(), successorStateVertexCausingCycle.getElement().getStateDescriptor());
- }
- }
- public static class SuccessfullyTransitionedInto extends ConnectionStateEvent {
- private final StateTransitionResult.Success transitionSuccessResult;
- public SuccessfullyTransitionedInto(State state, StateTransitionResult.Success transitionSuccessResult) {
- super(state.getStateDescriptor());
- this.transitionSuccessResult = transitionSuccessResult;
- }
- @Override
- public String toString() {
- return super.toString() + ": " + transitionSuccessResult;
- }
- }
- public abstract static class DetailedTransitionIntoInformation extends ConnectionStateEvent {
- protected DetailedTransitionIntoInformation(State state) {
- super(state.getStateDescriptor());
- }
- }
- }