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EventTraceDataSourceConfigurationServiceImpl.java
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EventTraceDataSourceConfigurationServiceImpl.java
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/*
* Copyright 1999-2015 dangdang.com.
* <p>
* 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:https://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.
* </p>
*/
package com.dangdang.ddframe.job.lite.console.service.impl;
import com.dangdang.ddframe.job.lite.console.domain.EventTraceDataSourceConfiguration;
import com.dangdang.ddframe.job.lite.console.domain.EventTraceDataSourceConfigurations;
import com.dangdang.ddframe.job.lite.console.domain.GlobalConfiguration;
import com.dangdang.ddframe.job.lite.console.repository.ConfigurationsXmlRepository;
import com.dangdang.ddframe.job.lite.console.repository.impl.ConfigurationsXmlRepositoryImpl;
import com.dangdang.ddframe.job.lite.console.service.EventTraceDataSourceConfigurationService;
import com.google.common.base.Optional;
/**
* 事件追踪数据源配置服务实现类.
*
* @author caohao
*/
public final class EventTraceDataSourceConfigurationServiceImpl implements EventTraceDataSourceConfigurationService {
private ConfigurationsXmlRepository configurationsXmlRepository = new ConfigurationsXmlRepositoryImpl();
@Override
public GlobalConfiguration loadAll() {
GlobalConfiguration globalConfiguration = configurationsXmlRepository.load();
if (null == globalConfiguration.getEventTraceDataSourceConfigurations()) {
globalConfiguration.setEventTraceDataSourceConfigurations(new EventTraceDataSourceConfigurations());
}
return globalConfiguration;
}
@Override
public EventTraceDataSourceConfiguration load(final String name) {
GlobalConfiguration configs = loadAll();
EventTraceDataSourceConfiguration result = find(name, configs);
setActivated(configs, result);
return result;
}
@Override
public EventTraceDataSourceConfiguration find(final String name, final GlobalConfiguration configs) {
for (EventTraceDataSourceConfiguration each : configs.getEventTraceDataSourceConfigurations().getEventTraceDataSourceConfiguration()) {
if (name.equals(each.getName())) {
return each;
}
}
return null;
}
private void setActivated(final GlobalConfiguration configs, final EventTraceDataSourceConfiguration toBeConnectedConfig) {
EventTraceDataSourceConfiguration activatedConfig = findActivatedDataSourceConfiguration(configs);
if (!toBeConnectedConfig.equals(activatedConfig)) {
if (null != activatedConfig) {
activatedConfig.setActivated(false);
}
toBeConnectedConfig.setActivated(true);
configurationsXmlRepository.save(configs);
}
}
@Override
public Optional<EventTraceDataSourceConfiguration> loadActivated() {
GlobalConfiguration configs = loadAll();
EventTraceDataSourceConfiguration result = findActivatedDataSourceConfiguration(configs);
if (null == result) {
return Optional.absent();
}
return Optional.of(result);
}
private EventTraceDataSourceConfiguration findActivatedDataSourceConfiguration(final GlobalConfiguration configs) {
for (EventTraceDataSourceConfiguration each : configs.getEventTraceDataSourceConfigurations().getEventTraceDataSourceConfiguration()) {
if (each.isActivated()) {
return each;
}
}
return null;
}
@Override
public boolean add(final EventTraceDataSourceConfiguration config) {
GlobalConfiguration configs = loadAll();
boolean result = configs.getEventTraceDataSourceConfigurations().getEventTraceDataSourceConfiguration().add(config);
if (result) {
configurationsXmlRepository.save(configs);
}
return result;
}
@Override
public void delete(final String name) {
GlobalConfiguration configs = loadAll();
if (configs.getEventTraceDataSourceConfigurations().getEventTraceDataSourceConfiguration().remove(new EventTraceDataSourceConfiguration(name, null, null, null))) {
configurationsXmlRepository.save(configs);
}
}
}