| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.ignite.testframework; |
| |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| import org.apache.ignite.internal.processors.resource.DependencyResolver; |
| |
| /** |
| * The abstract implementation with registry inside, which provides a dependency on demand by {@link #getDependency(Class)}. |
| */ |
| public abstract class AbstractTestDependencyResolver implements DependencyResolver { |
| /** Dependency registry. */ |
| private final ConcurrentMap<Class, Object> registry = new ConcurrentHashMap<>(); |
| |
| /** {@inheritDoc} */ |
| @Override public <T> T resolve(T instance) { |
| T resolved = doResolve(instance); |
| |
| registry.put(instance.getClass(), resolved); |
| |
| return resolved; |
| } |
| |
| /** |
| * Returns demanded dependency if it was registered. |
| * |
| * @param clazz Required type of dependency. |
| * |
| * @return Returns {@code null} if dependency wasn't registered. |
| */ |
| public <T> T getDependency(Class<T> clazz) { |
| return (T)registry.get(clazz); |
| } |
| |
| /** |
| * Custom resolver logic. |
| */ |
| protected abstract <T> T doResolve(T instance); |
| } |