org.springframework.yarn.fs.DefaultMultiResourceLocalizer Maven / Gradle / Ivy
The newest version!
/*
* 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.fs;
import java.util.HashMap;
import java.util.Map;
import org.apache.hadoop.yarn.api.records.LocalResource;
/**
* Default implementation of a {@link MultiResourceLocalizer}.
*
* @author Janne Valkealahti
*
*/
public class DefaultMultiResourceLocalizer implements MultiResourceLocalizer {
private final HashMap localizers = new HashMap();
/**
* Instantiates a new default multi resource localizer.
*
* @param localizer the default localizer
* @param localizers the custom localizers
*/
public DefaultMultiResourceLocalizer(ResourceLocalizer localizer, Map localizers) {
this.localizers.put(null, localizer);
this.localizers.putAll(localizers);
}
@Override
public Map getResources() {
return getResources(null);
}
@Override
public Map getResources(String id) {
ResourceLocalizer localizer = localizers.get(id);
if (localizer == null) {
localizer = localizers.get(null);
}
if (localizer != null) {
return localizer.getResources();
} else {
return null;
}
}
}