studio.raptor.ddal.jdbc.routing.lookup.SourceLookup Maven / Gradle / Ivy
/*
* 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 studio.raptor.ddal.jdbc.routing.lookup;
import com.google.common.base.Preconditions;
import java.util.Map;
/**
* 资源查找
*
* @author Charley
* @since 1.0
*/
public class SourceLookup {
private final Map sources;
public SourceLookup(Map sources) {
this.sources = sources;
}
public void setSources(Map sources) {
if (sources != null) {
this.sources.putAll(sources);
}
}
public void addSource(String sourceName, T source) {
Preconditions.checkNotNull(sourceName, "Source name must not be null");
Preconditions.checkNotNull(source, "Source must not be null");
this.sources.put(sourceName, source);
}
public Map getSources() {
return sources;
}
public T getSource(String sourceName) throws RuntimeException {
Preconditions.checkNotNull(sourceName, "Source name must not be null");
T source = this.sources.get(sourceName);
if (source == null) {
throw new RuntimeException("No Source with name \'" + sourceName + "\' registered");
} else {
return source;
}
}
}