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Unwrap Datasource against an actual interface
This commit updates DataSourceUnwrapper to take a separate interface type argument if the target datasource has to be unwrapped, given that the target type is usually not an interface. Closes gh-24697
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51636eef97
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2019 the original author or authors.
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* Copyright 2012-2021 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -24,6 +24,7 @@ import java.util.stream.Collectors;
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import javax.sql.DataSource;
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import com.zaxxer.hikari.HikariConfigMXBean;
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import com.zaxxer.hikari.HikariDataSource;
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import com.zaxxer.hikari.metrics.micrometer.MicrometerMetricsTrackerFactory;
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import io.micrometer.core.instrument.MeterRegistry;
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@ -112,7 +113,8 @@ public class DataSourcePoolMetricsAutoConfiguration {
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@Autowired
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void bindMetricsRegistryToHikariDataSources(Collection<DataSource> dataSources) {
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for (DataSource dataSource : dataSources) {
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HikariDataSource hikariDataSource = DataSourceUnwrapper.unwrap(dataSource, HikariDataSource.class);
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HikariDataSource hikariDataSource = DataSourceUnwrapper.unwrap(dataSource, HikariConfigMXBean.class,
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HikariDataSource.class);
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if (hikariDataSource != null) {
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bindMetricsRegistryToHikariDataSource(hikariDataSource);
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}
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2020 the original author or authors.
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* Copyright 2012-2021 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -20,10 +20,12 @@ import java.sql.SQLException;
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import javax.sql.DataSource;
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import com.zaxxer.hikari.HikariConfigMXBean;
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import com.zaxxer.hikari.HikariDataSource;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.tomcat.jdbc.pool.DataSourceProxy;
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import org.apache.tomcat.jdbc.pool.PoolConfiguration;
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import org.springframework.beans.factory.ObjectProvider;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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@ -62,7 +64,8 @@ class DataSourceJmxConfiguration {
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}
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private void validateMBeans() {
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HikariDataSource hikariDataSource = DataSourceUnwrapper.unwrap(this.dataSource, HikariDataSource.class);
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HikariDataSource hikariDataSource = DataSourceUnwrapper.unwrap(this.dataSource, HikariConfigMXBean.class,
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HikariDataSource.class);
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if (hikariDataSource != null && hikariDataSource.isRegisterMbeans()) {
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this.mBeanExporter.ifUnique((exporter) -> exporter.addExcludedBean("dataSource"));
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}
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@ -79,7 +82,8 @@ class DataSourceJmxConfiguration {
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@Bean
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@ConditionalOnMissingBean(name = "dataSourceMBean")
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Object dataSourceMBean(DataSource dataSource) {
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DataSourceProxy dataSourceProxy = DataSourceUnwrapper.unwrap(dataSource, DataSourceProxy.class);
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DataSourceProxy dataSourceProxy = DataSourceUnwrapper.unwrap(dataSource, PoolConfiguration.class,
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DataSourceProxy.class);
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if (dataSourceProxy != null) {
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try {
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return dataSourceProxy.createPool().getJmxPool();
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2019 the original author or authors.
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* Copyright 2012-2021 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -16,8 +16,11 @@
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package org.springframework.boot.autoconfigure.jdbc.metadata;
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import com.zaxxer.hikari.HikariConfigMXBean;
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import com.zaxxer.hikari.HikariDataSource;
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import org.apache.commons.dbcp2.BasicDataSource;
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import org.apache.commons.dbcp2.BasicDataSourceMXBean;
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import org.apache.tomcat.jdbc.pool.jmx.ConnectionPoolMBean;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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import org.springframework.boot.jdbc.DataSourceUnwrapper;
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@ -46,7 +49,7 @@ public class DataSourcePoolMetadataProvidersConfiguration {
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DataSourcePoolMetadataProvider tomcatPoolDataSourceMetadataProvider() {
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return (dataSource) -> {
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org.apache.tomcat.jdbc.pool.DataSource tomcatDataSource = DataSourceUnwrapper.unwrap(dataSource,
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org.apache.tomcat.jdbc.pool.DataSource.class);
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ConnectionPoolMBean.class, org.apache.tomcat.jdbc.pool.DataSource.class);
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if (tomcatDataSource != null) {
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return new TomcatDataSourcePoolMetadata(tomcatDataSource);
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}
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@ -63,7 +66,8 @@ public class DataSourcePoolMetadataProvidersConfiguration {
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@Bean
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DataSourcePoolMetadataProvider hikariPoolDataSourceMetadataProvider() {
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return (dataSource) -> {
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HikariDataSource hikariDataSource = DataSourceUnwrapper.unwrap(dataSource, HikariDataSource.class);
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HikariDataSource hikariDataSource = DataSourceUnwrapper.unwrap(dataSource, HikariConfigMXBean.class,
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HikariDataSource.class);
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if (hikariDataSource != null) {
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return new HikariDataSourcePoolMetadata(hikariDataSource);
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}
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@ -80,7 +84,8 @@ public class DataSourcePoolMetadataProvidersConfiguration {
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@Bean
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DataSourcePoolMetadataProvider commonsDbcp2PoolDataSourceMetadataProvider() {
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return (dataSource) -> {
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BasicDataSource dbcpDataSource = DataSourceUnwrapper.unwrap(dataSource, BasicDataSource.class);
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BasicDataSource dbcpDataSource = DataSourceUnwrapper.unwrap(dataSource, BasicDataSourceMXBean.class,
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BasicDataSource.class);
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if (dbcpDataSource != null) {
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return new CommonsDbcp2DataSourcePoolMetadata(dbcpDataSource);
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}
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2020 the original author or authors.
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* Copyright 2012-2021 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -43,33 +43,50 @@ public final class DataSourceUnwrapper {
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/**
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* Return an object that implements the given {@code target} type, unwrapping delegate
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* or proxy if necessary.
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* or proxy if necessary using the specified {@code unwrapInterface}.
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* @param dataSource the datasource to handle
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* @param unwrapInterface the interface that the target type must implement
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* @param target the type that the result must implement
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* @param <I> the interface that the target type must implement
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* @param <T> the target type
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* @return an object that implements the target type or {@code null}
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* @see Wrapper#unwrap(Class)
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*/
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public static <I, T extends I> T unwrap(DataSource dataSource, Class<I> unwrapInterface, Class<T> target) {
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if (target.isInstance(dataSource)) {
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return target.cast(dataSource);
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}
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I unwrapped = safeUnwrap(dataSource, unwrapInterface);
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if (unwrapped != null && unwrapInterface.isAssignableFrom(target)) {
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return target.cast(unwrapped);
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}
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if (DELEGATING_DATA_SOURCE_PRESENT) {
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DataSource targetDataSource = DelegatingDataSourceUnwrapper.getTargetDataSource(dataSource);
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if (targetDataSource != null) {
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return unwrap(targetDataSource, unwrapInterface, target);
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}
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}
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if (AopUtils.isAopProxy(dataSource)) {
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Object proxyTarget = AopProxyUtils.getSingletonTarget(dataSource);
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if (proxyTarget instanceof DataSource) {
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return unwrap((DataSource) proxyTarget, unwrapInterface, target);
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}
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}
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return null;
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}
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/**
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* Return an object that implements the given {@code target} type, unwrapping delegate
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* or proxy if necessary. Consider using {@link #unwrap(DataSource, Class, Class)} as
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* {@link Wrapper#unwrap(Class) unwrapping} won't be considered if {@code target} is
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* not an interface.
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* @param dataSource the datasource to handle
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* @param target the type that the result must implement
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* @param <T> the target type
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* @return an object that implements the target type or {@code null}
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*/
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public static <T> T unwrap(DataSource dataSource, Class<T> target) {
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if (target.isInstance(dataSource)) {
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return target.cast(dataSource);
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}
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T unwrapped = safeUnwrap(dataSource, target);
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if (unwrapped != null) {
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return unwrapped;
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}
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if (DELEGATING_DATA_SOURCE_PRESENT) {
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DataSource targetDataSource = DelegatingDataSourceUnwrapper.getTargetDataSource(dataSource);
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if (targetDataSource != null) {
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return unwrap(targetDataSource, target);
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}
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}
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if (AopUtils.isAopProxy(dataSource)) {
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Object proxyTarget = AopProxyUtils.getSingletonTarget(dataSource);
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if (proxyTarget instanceof DataSource) {
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return unwrap((DataSource) proxyTarget, target);
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}
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}
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return null;
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return unwrap(dataSource, target, target);
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}
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private static <S> S safeUnwrap(Wrapper wrapper, Class<S> target) {
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2019 the original author or authors.
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* Copyright 2012-2021 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -18,8 +18,10 @@ package org.springframework.boot.jdbc;
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import javax.sql.DataSource;
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import com.zaxxer.hikari.HikariConfigMXBean;
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import com.zaxxer.hikari.HikariDataSource;
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import org.apache.tomcat.jdbc.pool.DataSourceProxy;
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import org.apache.tomcat.jdbc.pool.PoolConfiguration;
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import org.junit.jupiter.api.Test;
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import org.springframework.aop.framework.ProxyFactory;
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@ -39,14 +41,16 @@ class DataSourceUnwrapperNoSpringJdbcTests {
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void unwrapWithProxy() {
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DataSource dataSource = new HikariDataSource();
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DataSource actual = wrapInProxy(wrapInProxy(dataSource));
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assertThat(DataSourceUnwrapper.unwrap(actual, HikariDataSource.class)).isSameAs(dataSource);
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assertThat(DataSourceUnwrapper.unwrap(actual, HikariConfigMXBean.class, HikariDataSource.class))
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.isSameAs(dataSource);
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}
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@Test
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void unwrapDataSourceProxy() {
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org.apache.tomcat.jdbc.pool.DataSource dataSource = new org.apache.tomcat.jdbc.pool.DataSource();
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DataSource actual = wrapInProxy(wrapInProxy(dataSource));
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assertThat(DataSourceUnwrapper.unwrap(actual, DataSourceProxy.class)).isSameAs(dataSource);
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assertThat(DataSourceUnwrapper.unwrap(actual, PoolConfiguration.class, DataSourceProxy.class))
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.isSameAs(dataSource);
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}
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private DataSource wrapInProxy(DataSource dataSource) {
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2020 the original author or authors.
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* Copyright 2012-2021 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -21,13 +21,16 @@ import java.util.function.Consumer;
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import javax.sql.DataSource;
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import com.zaxxer.hikari.HikariConfigMXBean;
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import com.zaxxer.hikari.HikariDataSource;
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import org.apache.tomcat.jdbc.pool.DataSourceProxy;
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import org.apache.tomcat.jdbc.pool.PoolConfiguration;
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import org.junit.jupiter.api.Test;
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import org.springframework.aop.framework.ProxyFactory;
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import org.springframework.jdbc.datasource.DelegatingDataSource;
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import org.springframework.jdbc.datasource.SingleConnectionDataSource;
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import org.springframework.jdbc.datasource.SmartDataSource;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.mockito.Mockito.mock;
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@ -44,52 +47,59 @@ class DataSourceUnwrapperTests {
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@Test
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void unwrapWithTarget() {
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DataSource dataSource = new HikariDataSource();
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assertThat(DataSourceUnwrapper.unwrap(dataSource, HikariDataSource.class)).isSameAs(dataSource);
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assertThat(DataSourceUnwrapper.unwrap(dataSource, HikariConfigMXBean.class, HikariDataSource.class))
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.isSameAs(dataSource);
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}
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@Test
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void unwrapWithWrongTarget() {
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DataSource dataSource = new HikariDataSource();
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assertThat(DataSourceUnwrapper.unwrap(dataSource, SingleConnectionDataSource.class)).isNull();
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assertThat(DataSourceUnwrapper.unwrap(dataSource, SmartDataSource.class, SingleConnectionDataSource.class))
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.isNull();
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}
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@Test
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void unwrapWithDelegate() {
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DataSource dataSource = new HikariDataSource();
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DataSource actual = wrapInDelegate(wrapInDelegate(dataSource));
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assertThat(DataSourceUnwrapper.unwrap(actual, HikariDataSource.class)).isSameAs(dataSource);
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assertThat(DataSourceUnwrapper.unwrap(actual, HikariConfigMXBean.class, HikariDataSource.class))
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.isSameAs(dataSource);
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}
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@Test
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void unwrapWithProxy() {
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DataSource dataSource = new HikariDataSource();
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DataSource actual = wrapInProxy(wrapInProxy(dataSource));
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assertThat(DataSourceUnwrapper.unwrap(actual, HikariDataSource.class)).isSameAs(dataSource);
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assertThat(DataSourceUnwrapper.unwrap(actual, HikariConfigMXBean.class, HikariDataSource.class))
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.isSameAs(dataSource);
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}
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@Test
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void unwrapWithProxyAndDelegate() {
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DataSource dataSource = new HikariDataSource();
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DataSource actual = wrapInProxy(wrapInDelegate(dataSource));
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assertThat(DataSourceUnwrapper.unwrap(actual, HikariDataSource.class)).isSameAs(dataSource);
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assertThat(DataSourceUnwrapper.unwrap(actual, HikariConfigMXBean.class, HikariDataSource.class))
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.isSameAs(dataSource);
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}
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@Test
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void unwrapWithSeveralLevelOfWrapping() {
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DataSource dataSource = new HikariDataSource();
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DataSource actual = wrapInProxy(wrapInDelegate(wrapInDelegate(wrapInProxy(wrapInDelegate(dataSource)))));
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assertThat(DataSourceUnwrapper.unwrap(actual, HikariDataSource.class)).isSameAs(dataSource);
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assertThat(DataSourceUnwrapper.unwrap(actual, HikariConfigMXBean.class, HikariDataSource.class))
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.isSameAs(dataSource);
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}
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@Test
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void unwrapDataSourceProxy() {
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org.apache.tomcat.jdbc.pool.DataSource dataSource = new org.apache.tomcat.jdbc.pool.DataSource();
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DataSource actual = wrapInDelegate(wrapInProxy(dataSource));
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assertThat(DataSourceUnwrapper.unwrap(actual, DataSourceProxy.class)).isSameAs(dataSource);
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assertThat(DataSourceUnwrapper.unwrap(actual, PoolConfiguration.class, DataSourceProxy.class))
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.isSameAs(dataSource);
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}
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@Test
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void unwrappingIsNotAttemptedWhenTargetIsNotAnInterface() throws SQLException {
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void unwrappingIsNotAttemptedWhenTargetIsNotAnInterface() {
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DataSource dataSource = mock(DataSource.class);
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assertThat(DataSourceUnwrapper.unwrap(dataSource, HikariDataSource.class)).isNull();
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verifyNoMoreInteractions(dataSource);
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