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/*
* Copyright 2014 the original author or authors.
*
* 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 org.springframework.yarn.am.grid.support;
import java.util.HashMap;
import java.util.Map;
import org.springframework.yarn.am.grid.GridProjection;
/**
* Helper class to keep info about default projection datas
* defined in a configuration.
*
* @author Janne Valkealahti
*
*/
public class ProjectionDataRegistry {
private final Map defaults = new HashMap();
/**
* Instantiates a new projection data registry.
*
* @param defaults the defaults for name to projection data mappings
*/
public ProjectionDataRegistry(Map defaults) {
if (defaults != null) {
this.defaults.putAll(defaults);
}
}
/**
* Gets all projection datas mapped with an identifier known
* to this registry. User of this factory can then use this
* information to create a default {@link GridProjection}s
* at startup.
*
* @return the mapping from identifier to projection data
*/
public Map getProjectionDatas() {
return defaults;
}
}