Here you can find the source of getDataSourceCache(String hostName)
public static DataSource getDataSourceCache(String hostName)
//package com.java2s; /**// w ww . ja v a 2 s .c om * 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. */ import java.util.HashMap; import java.util.Map; import javax.sql.DataSource; public class Main { private static final Map<String, DataSource> dataSourceMap = new HashMap<String, DataSource>(); public static DataSource getDataSourceCache(String hostName) { return dataSourceMap.get(hostName); } }