--- /dev/null
+/*
+ * Copyright (c) 2018. Developed by Hedgecode.
+ *
+ * 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.hedgecode.chess.environment;
+
+import java.util.Locale;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+
+import org.hedgecode.chess.persistence.PersistenceUtils;
+
+/**
+ * Environment execution context.
+ *
+ * @author Dmitry Samoshin aka gotty
+ */
+public final class Environment {
+
+ private final Locale locale;
+ private final EntityManager entityManager;
+
+ public Environment(
+ Locale locale,
+ EntityManager entityManager) {
+ this.locale = locale;
+ this.entityManager = entityManager;
+ }
+
+ public Locale getLocale() {
+ return locale;
+ }
+
+ public EntityManager getEntityManager() {
+ return entityManager;
+ }
+
+ public static Environment init() {
+ EntityManagerFactory entityManagerFactory = PersistenceUtils.createEntityManagerFactory();
+ EnvironmentSetter.setCurrentContext(
+ new Environment(
+ Locale.getDefault(),
+ entityManagerFactory.createEntityManager()
+ )
+ );
+ return Environment.currentContext();
+ }
+
+ static final ThreadLocal<Environment> contextHolder = new ThreadLocal<>();
+
+ public static Environment currentContext() {
+ return contextHolder.get();
+ }
+
+}