/*
* Copyright 2017 NAVER Corp.
*
* Licensed 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 com.navercorp.pinpoint.profiler.context.monitor;
import com.navercorp.pinpoint.bootstrap.plugin.monitor.DataSourceMonitor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
/**
* @author Taejin Koo
*/
public class DefaultDataSourceMonitorRegistryService implements DataSourceMonitorRegistryService {
private final Logger logger = LoggerFactory.getLogger(getClass());
private final int limitIdNumber;
private final CopyOnWriteArrayList<DataSourceMonitorWrapper> repository = new CopyOnWriteArrayList<DataSourceMonitorWrapper>();
private final DataSourceMonitorWrapperFactory wrapperFactory = new DataSourceMonitorWrapperFactory();
public DefaultDataSourceMonitorRegistryService(int limitIdNumber) {
this.limitIdNumber = limitIdNumber;
}
@Override
public boolean register(DataSourceMonitor dataSourceMonitor) {
if (wrapperFactory.latestIssuedId() >= limitIdNumber) {
if (logger.isInfoEnabled()) {
logger.info("can't register {}. The maximum value of id number has been exceeded.");
}
return false;
}
DataSourceMonitorWrapper dataSourceMonitorWrapper = wrapperFactory.create(dataSourceMonitor);
return repository.add(dataSourceMonitorWrapper);
}
@Override
public boolean unregister(DataSourceMonitor dataSourceMonitor) {
for (DataSourceMonitorWrapper dataSourceMonitorWrapper : repository) {
if (dataSourceMonitorWrapper.equalsWithUnwrap(dataSourceMonitor)) {
return repository.remove(dataSourceMonitorWrapper);
}
}
return false;
}
@Override
public List<DataSourceMonitorWrapper> getPluginMonitorWrapperList() {
List<DataSourceMonitorWrapper> pluginMonitorList = new ArrayList<DataSourceMonitorWrapper>(repository.size());
List<DataSourceMonitorWrapper> disabledPluginMonitorList = new ArrayList<DataSourceMonitorWrapper>();
for (DataSourceMonitorWrapper dataSourceMonitorWrapper : repository) {
if (dataSourceMonitorWrapper.isDisabled()) {
disabledPluginMonitorList.add(dataSourceMonitorWrapper);
} else {
pluginMonitorList.add(dataSourceMonitorWrapper);
}
}
// bulk delete for reduce copy
if (disabledPluginMonitorList.size() > 0) {
logger.info("PluginMonitorWrapper was disabled(list:{})", disabledPluginMonitorList);
repository.removeAll(disabledPluginMonitorList);
}
return pluginMonitorList;
}
@Override
public int getRemainingIdNumber() {
return limitIdNumber - wrapperFactory.latestIssuedId();
}
}