com.jn.sqlhelper.datasource.factory.CentralizedDataSourceFactory Maven / Gradle / Ivy
/*
* Copyright 2020 the original author or authors.
*
* Licensed under the LGPL, Version 3.0 (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.gnu.org/licenses/lgpl-3.0.html
*
* 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 com.jn.sqlhelper.datasource.factory;
import com.jn.langx.util.Preconditions;
import com.jn.langx.util.reflect.Reflects;
import com.jn.sqlhelper.datasource.DataSourceRegistry;
import com.jn.sqlhelper.datasource.DataSources;
import com.jn.sqlhelper.datasource.NamedDataSource;
import com.jn.sqlhelper.datasource.config.DataSourceProperties;
import com.jn.sqlhelper.datasource.key.DataSourceKey;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Properties;
public class CentralizedDataSourceFactory implements DataSourceFactory {
private static final Logger logger = LoggerFactory.getLogger(CentralizedDataSourceFactory.class);
private DataSourceRegistry registry;
public DataSourceRegistry getRegistry() {
return registry;
}
public void setRegistry(DataSourceRegistry registry) {
this.registry = registry;
}
@Override
public NamedDataSource get(DataSourceProperties dataSourceProperties) {
Preconditions.checkNotNull(registry);
String name = dataSourceProperties.getName();
Preconditions.checkNotNull(name, "the datasource name is null");
DataSourceKey key = dataSourceProperties.getDataSourceKey();
NamedDataSource dataSource = registry.get(dataSourceProperties.getDataSourceKey());
if (dataSource == null) {
String implementationKey = dataSourceProperties.getImplementation();
DataSourceFactory delegate = DataSourceFactoryProvider.getInstance().findSuitableDataSourceFactory(implementationKey, key);
logger.info("Create jdbc datasource {} with the factory: {}", key, Reflects.getFQNClassName(delegate.getClass()));
logger.info("JDBC DataSource {} properties: {}", key, dataSourceProperties);
dataSource = delegate.get(dataSourceProperties);
if (dataSource != null) {
registry.register(key, dataSource);
dataSource = registry.get(key);
}
}
return dataSource;
}
@Override
public NamedDataSource get(Properties properties) {
Preconditions.checkNotNull(registry);
String name = properties.getProperty(DataSources.DATASOURCE_PROP_NAME);
Preconditions.checkNotNull(name, "the datasource name is null");
String group = properties.getProperty(DataSources.DATASOURCE_PROP_GROUP, DataSources.DATASOURCE_PRIMARY_GROUP);
DataSourceKey key = new DataSourceKey(group, name);
NamedDataSource dataSource = registry.get(key);
if (dataSource == null) {
String implementationKey = properties.getProperty(DataSources.DATASOURCE_PROP_IMPLEMENTATION);
DataSourceFactory delegate = DataSourceFactoryProvider.getInstance().findSuitableDataSourceFactory(implementationKey, key);
logger.info("Create jdbc datasource {} with the factory: {}", key, Reflects.getFQNClassName(delegate.getClass()));
logger.info("JDBC DataSource {} properties: {}", key, properties);
dataSource = delegate.get(properties);
if (dataSource != null) {
registry.register(key, dataSource);
dataSource = registry.get(key);
}
}
return dataSource;
}
}