/
ContentFileUtil.java
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/
ContentFileUtil.java
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/*
* 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 org.apache.iceberg.util;
import java.util.Set;
import org.apache.iceberg.ContentFile;
public class ContentFileUtil {
private ContentFileUtil() {}
/**
* Copies the {@link ContentFile} with the specific stat settings.
*
* @param file a generic data file to copy.
* @param withStats whether to keep any stats
* @param statsToKeep a set of column ids to keep stats. If empty or <code>null</code> then every
* column stat is kept.
* @return The copied file
*/
public static <F extends ContentFile<K>, K> K copy(
F file, boolean withStats, Set<Integer> statsToKeep) {
if (withStats) {
return statsToKeep != null && !statsToKeep.isEmpty()
? file.copyWithStats(statsToKeep)
: file.copy();
} else {
return file.copyWithoutStats();
}
}
}