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/*
 *  Copyright (c) 2016 Uber Technologies, Inc. ([email protected])
 *
 *  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 com.uber.hoodie.common.model;

import com.uber.hoodie.common.util.FSUtils;
import java.io.Serializable;
import java.util.Comparator;
import org.apache.hadoop.fs.FileStatus;

public class HoodieDataFile implements Serializable {

  private FileStatus fileStatus;

  public HoodieDataFile(FileStatus fileStatus) {
    this.fileStatus = fileStatus;
  }

  public String getFileId() {
    return FSUtils.getFileId(fileStatus.getPath().getName());
  }

  public String getCommitTime() {
    return FSUtils.getCommitTime(fileStatus.getPath().getName());
  }

  public String getPath() {
    return fileStatus.getPath().toString();
  }

  public String getFileName() {
    return fileStatus.getPath().getName();
  }

  public FileStatus getFileStatus() {
    return fileStatus;
  }

  public static Comparator getCommitTimeComparator() {
    return (o1, o2) -> {
      // reverse the order
      return o2.getCommitTime().compareTo(o1.getCommitTime());
    };
  }

  public long getFileSize() {
    return fileStatus.getLen();
  }

  @Override
  public String toString() {
    final StringBuilder sb = new StringBuilder("HoodieDataFile {");
    sb.append("fileStatus=").append(fileStatus);
    sb.append('}');
    return sb.toString();
  }
}