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/*
* 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.
*/
package org.apache.dubbo.config.utils;
import org.apache.dubbo.common.BaseServiceMetadata;
import org.apache.dubbo.common.config.ReferenceCache;
import org.apache.dubbo.common.logger.ErrorTypeAwareLogger;
import org.apache.dubbo.common.logger.LoggerFactory;
import org.apache.dubbo.config.ReferenceConfigBase;
import org.apache.dubbo.rpc.model.ApplicationModel;
import org.apache.dubbo.rpc.model.ModuleModel;
import java.util.ArrayList;
import java.util.List;
import static org.apache.dubbo.common.constants.LoggerCodeConstants.CONFIG_API_WRONG_USE;
/**
* A impl of ReferenceCache for Application
*/
public class CompositeReferenceCache implements ReferenceCache {
private static final ErrorTypeAwareLogger logger = LoggerFactory.getErrorTypeAwareLogger(CompositeReferenceCache.class);
private final ApplicationModel applicationModel;
public CompositeReferenceCache(ApplicationModel applicationModel) {
this.applicationModel = applicationModel;
}
@Override
public T get(ReferenceConfigBase referenceConfig) {
Class type = referenceConfig.getInterfaceClass();
String key = BaseServiceMetadata.buildServiceKey(type.getName(), referenceConfig.getGroup(), referenceConfig.getVersion());
boolean singleton = referenceConfig.getSingleton() == null || referenceConfig.getSingleton();
T proxy = null;
if (singleton) {
proxy = get(key, (Class) type);
} else {
logger.warn(CONFIG_API_WRONG_USE, "the api method is being used incorrectly", "", "Using non-singleton ReferenceConfig and ReferenceCache at the same time may cause memory leak. " +
"Call ReferenceConfig#get() directly for non-singleton ReferenceConfig instead of using ReferenceCache#get(ReferenceConfig)");
}
if (proxy == null) {
proxy = referenceConfig.get();
}
return proxy;
}
@Override
public T get(String key, Class type) {
for (ModuleModel moduleModel : applicationModel.getModuleModels()) {
T proxy = moduleModel.getDeployer().getReferenceCache().get(key, type);
if (proxy != null) {
return proxy;
}
}
return null;
}
@Override
public T get(String key) {
for (ModuleModel moduleModel : applicationModel.getModuleModels()) {
T proxy = moduleModel.getDeployer().getReferenceCache().get(key);
if (proxy != null) {
return proxy;
}
}
return null;
}
@Override
public List getAll(Class type) {
List proxies = new ArrayList<>();
for (ModuleModel moduleModel : applicationModel.getModuleModels()) {
proxies.addAll(moduleModel.getDeployer().getReferenceCache().getAll(type));
}
return proxies;
}
@Override
public T get(Class type) {
for (ModuleModel moduleModel : applicationModel.getModuleModels()) {
T proxy = moduleModel.getDeployer().getReferenceCache().get(type);
if (proxy != null) {
return proxy;
}
}
return null;
}
@Override
public void destroy(String key, Class type) {
for (ModuleModel moduleModel : applicationModel.getModuleModels()) {
moduleModel.getDeployer().getReferenceCache().destroy(key, type);
}
}
@Override
public void destroy(Class type) {
for (ModuleModel moduleModel : applicationModel.getModuleModels()) {
moduleModel.getDeployer().getReferenceCache().destroy(type);
}
}
@Override
public void destroy(ReferenceConfigBase referenceConfig) {
referenceConfig.getScopeModel().getDeployer().getReferenceCache().destroy(referenceConfig);
}
@Override
public void destroyAll() {
for (ModuleModel moduleModel : applicationModel.getModuleModels()) {
moduleModel.getDeployer().getReferenceCache().destroyAll();
}
}
}