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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.Objects;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.Path;

public class HoodieDataFile implements Serializable {

  private transient FileStatus fileStatus;
  private final String fullPath;
  private long fileLen;

  public HoodieDataFile(FileStatus fileStatus) {
    this.fileStatus = fileStatus;
    this.fullPath = fileStatus.getPath().toString();
    this.fileLen = fileStatus.getLen();
  }

  public HoodieDataFile(String filePath) {
    this.fileStatus = null;
    this.fullPath = filePath;
    this.fileLen = -1;
  }

  public String getFileId() {
    return FSUtils.getFileId(getFileName());
  }

  public String getCommitTime() {
    return FSUtils.getCommitTime(getFileName());
  }

  public String getPath() {
    return fullPath;
  }

  public String getFileName() {
    return new Path(fullPath).getName();
  }

  public FileStatus getFileStatus() {
    return fileStatus;
  }

  public long getFileSize() {
    return fileLen;
  }

  public void setFileLen(long fileLen) {
    this.fileLen = fileLen;
  }

  public long getFileLen() {
    return fileLen;
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    HoodieDataFile dataFile = (HoodieDataFile) o;
    return Objects.equals(fullPath, dataFile.fullPath);
  }

  @Override
  public int hashCode() {
    return Objects.hash(fullPath);
  }

  @Override
  public String toString() {
    return "HoodieDataFile{"
        + "fullPath=" + fullPath
        + ", fileLen=" + fileLen
        + '}';
  }
}