/
DefaultConfigService.java
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/
DefaultConfigService.java
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/*
* Copyright 2018-present Open Networking Foundation
*
* 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 io.atomix.core.config.impl;
import com.google.common.collect.Maps;
import io.atomix.core.config.ConfigService;
import io.atomix.primitive.PrimitiveConfig;
import java.util.Collection;
import java.util.Map;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Default configuration service.
*/
public class DefaultConfigService implements ConfigService {
private final Map<String, PrimitiveConfig> configs = Maps.newConcurrentMap();
public DefaultConfigService(Collection<PrimitiveConfig> configs) {
configs.forEach(config -> this.configs.put(config.getName(), config));
}
@Override
@SuppressWarnings("unchecked")
public <C extends PrimitiveConfig<C>> C getConfig(String primitiveName) {
return (C) configs.get(primitiveName);
}
@Override
public PrimitiveConfig addConfig(PrimitiveConfig config) {
checkNotNull(config, "config cannot be null");
PrimitiveConfig previous = configs.putIfAbsent(config.getName(), config);
return previous != null ? previous : config;
}
}