92 lines
2.5 KiB
Java
92 lines
2.5 KiB
Java
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/*
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* Copyright 2016 Red Hat, Inc. and/or its affiliates
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* and other contributors as indicated by the @author tags.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.keycloak.models;
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import org.jboss.logging.Logger;
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/**
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* Handles some common transaction logic related to start, rollback-only etc.
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*
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* @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
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*/
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public abstract class AbstractKeycloakTransaction implements KeycloakTransaction {
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public static final Logger logger = Logger.getLogger(AbstractKeycloakTransaction.class);
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protected TransactionState state = TransactionState.NOT_STARTED;
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@Override
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public void begin() {
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if (state != TransactionState.NOT_STARTED) {
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throw new IllegalStateException("Transaction already started");
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}
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state = TransactionState.STARTED;
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}
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@Override
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public void commit() {
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if (state != TransactionState.STARTED) {
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throw new IllegalStateException("Transaction in illegal state for commit: " + state);
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}
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commitImpl();
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state = TransactionState.FINISHED;
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}
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@Override
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public void rollback() {
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if (state != TransactionState.STARTED && state != TransactionState.ROLLBACK_ONLY) {
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throw new IllegalStateException("Transaction in illegal state for rollback: " + state);
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}
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rollbackImpl();
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state = TransactionState.FINISHED;
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}
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@Override
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public void setRollbackOnly() {
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state = TransactionState.ROLLBACK_ONLY;
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}
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@Override
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public boolean getRollbackOnly() {
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return state == TransactionState.ROLLBACK_ONLY;
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}
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@Override
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public boolean isActive() {
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return state == TransactionState.STARTED || state == TransactionState.ROLLBACK_ONLY;
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}
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public TransactionState getState() {
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return state;
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}
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public enum TransactionState {
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NOT_STARTED, STARTED, ROLLBACK_ONLY, FINISHED
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}
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protected abstract void commitImpl();
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protected abstract void rollbackImpl();
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}
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