/* * Copyright 1999-2018 Alibaba Group Holding Ltd. * * 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 com.alibaba.csp.sentinel.cluster.registry; import com.alibaba.csp.sentinel.log.RecordLog; import com.alibaba.csp.sentinel.util.AppNameUtil; import com.alibaba.csp.sentinel.util.AssertUtil; import com.alibaba.csp.sentinel.util.function.Supplier; /** * @author Eric Zhao * @since 1.4.0 */ public final class ConfigSupplierRegistry { /** * The default namespace supplier provides appName as namespace. */ private static final Supplier<String> DEFAULT_APP_NAME_SUPPLIER = new Supplier<String>() { @Override public String get() { return AppNameUtil.getAppName(); } }; /** * Registered namespace supplier. */ private static Supplier<String> namespaceSupplier = DEFAULT_APP_NAME_SUPPLIER; /** * Get the registered namespace supplier. * * @return the registered namespace supplier */ public static Supplier<String> getNamespaceSupplier() { return namespaceSupplier; } public static void setNamespaceSupplier(Supplier<String> namespaceSupplier) { AssertUtil.notNull(namespaceSupplier, "namespaceSupplier cannot be null"); ConfigSupplierRegistry.namespaceSupplier = namespaceSupplier; RecordLog.info("[ConfigSupplierRegistry] New namespace supplier provided, current supplied: " + namespaceSupplier.get()); } private ConfigSupplierRegistry() {} }