001/* 002 * Copyright 2012-2017 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.jdbc.metadata; 018 019import javax.sql.DataSource; 020 021import com.zaxxer.hikari.HikariDataSource; 022import com.zaxxer.hikari.pool.HikariPool; 023 024import org.springframework.beans.DirectFieldAccessor; 025 026/** 027 * {@link DataSourcePoolMetadata} for a Hikari {@link DataSource}. 028 * 029 * @author Stephane Nicoll 030 * @since 2.0.0 031 */ 032public class HikariDataSourcePoolMetadata 033 extends AbstractDataSourcePoolMetadata<HikariDataSource> { 034 035 public HikariDataSourcePoolMetadata(HikariDataSource dataSource) { 036 super(dataSource); 037 } 038 039 @Override 040 public Integer getActive() { 041 try { 042 return getHikariPool().getActiveConnections(); 043 } 044 catch (Exception ex) { 045 return null; 046 } 047 } 048 049 private HikariPool getHikariPool() { 050 return (HikariPool) new DirectFieldAccessor(getDataSource()) 051 .getPropertyValue("pool"); 052 } 053 054 @Override 055 public Integer getMax() { 056 return getDataSource().getMaximumPoolSize(); 057 } 058 059 @Override 060 public Integer getMin() { 061 return getDataSource().getMinimumIdle(); 062 } 063 064 @Override 065 public String getValidationQuery() { 066 return getDataSource().getConnectionTestQuery(); 067 } 068 069 @Override 070 public Boolean getDefaultAutoCommit() { 071 return getDataSource().isAutoCommit(); 072 } 073 074}