| /* |
| * 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.jiraservice; |
| |
| import com.google.common.base.Strings; |
| import com.google.common.cache.Cache; |
| import com.google.common.cache.CacheBuilder; |
| import com.google.inject.Provider; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.TimeUnit; |
| import javax.inject.Inject; |
| import org.apache.ignite.tcbot.common.exeption.ExceptionUtil; |
| |
| /** |
| * Class for providing {@link IJiraIntegration} instance for specified Jira server. Instance for each server is cached |
| * with defining instance expiration time. |
| */ |
| class JiraIntegrationProvider implements IJiraIntegrationProvider { |
| /** */ |
| @Inject Provider<IJiraIntegration> factory; |
| |
| /** */ |
| private final Cache<String, IJiraIntegration> srvs |
| = CacheBuilder.newBuilder() |
| .maximumSize(100) |
| .expireAfterAccess(16, TimeUnit.MINUTES) |
| .softValues() |
| .build(); |
| |
| /** */ |
| @Override public IJiraIntegration server(String srvCode) { |
| try { |
| return srvs.get(Strings.nullToEmpty(srvCode), () -> { |
| IJiraIntegration jiraIntegration = factory.get(); |
| |
| jiraIntegration.init(srvCode); |
| |
| return jiraIntegration; |
| }); |
| } |
| catch (ExecutionException e) { |
| throw ExceptionUtil.propagateException(e); |
| } |
| } |
| } |