@Configuration
@ConditionalOnBean(value=javax.sql.DataSource.class)
@ConditionalOnClass(value={javax.sql.DataSource.class,org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType.class})
public class DataSourceMultipleAutoConfiguration
extends Object
@SuppressWarnings("unchecked")
private void properties(DataSourceBuilder builder, Map properties) {
if (CollectionUtils.isEmpty(properties)) {
return;
}
Field field = ReflectionUtils.findField(builder.getClass(), "properties");
if (field != null) {
ReflectionUtils.makeAccessible(field);
Object object = ReflectionUtils.getField(field, builder);
if (object instanceof Map) {
((Map) object).putAll(properties);
}
}
}
@SuppressWarnings("unchecked")
private DataSource dataSource(DataSourceBuilder builder, List> proxys, ClassLoader classLoader) {
DataSource dataSource = builder.build();
List> dataSourceProxys = proxys;
if (CollectionUtils.isEmpty(dataSourceProxys)) {
dataSourceProxys = new ArrayList>();
for (String name : new String[] { "com.p6spy.engine.spy.P6DataSource", "net.ttddyy.dsproxy.support.ProxyDataSource", "com.vladmihalcea.flexypool.FlexyPoolDataSource",
"org.springframework.jdbc.datasource.LazyConnectionDataSourceProxy" }) {
try {
dataSourceProxys.add((Class) ClassUtils.forName(name, classLoader));
}
catch (Exception ex) {
// ignore
}
}
}
for (Class proxy : dataSourceProxys) {
try {
Constructor constructor = ClassUtils.getConstructorIfAvailable(proxy, DataSource.class);
if (constructor == null) {
throw new IllegalStateException("No constructor accepting real DataSource in proxy class " + proxy);
}
dataSource = BeanUtils.instantiateClass(constructor, dataSource);
}
catch (RuntimeException e) {
if (proxys.contains(proxy)) {
throw e;
}
logger.warn("Can't wrap data source: " + dataSource + " in proxy data source of type: " + dataSource.getClass().getName() + " due to thrown exception: " + e + ". "
+ "Please consider fix exception in data source implementation" + " or explicitly set 'spring.datasource.proxyType' with" + " appropriate list of proxy data source providers.");
}
}
return dataSource;
}
- See Also:
org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor,
DataSourceAutoConfiguration,
org.springframework.boot.autoconfigure.flyway.FlywayAutoConfiguration#FlywayInitializerJpaDependencyConfiguration