hadoop QuotaByStorageTypeExceededException 源码

  • 2022-10-20
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haddop QuotaByStorageTypeExceededException 代码

文件路径:/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/QuotaByStorageTypeExceededException.java

/**
 * 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.hadoop.hdfs.protocol;

import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.fs.StorageType;

import static org.apache.hadoop.util.StringUtils.TraditionalBinaryPrefix.long2String;

@InterfaceAudience.Public
@InterfaceStability.Evolving
public class QuotaByStorageTypeExceededException extends QuotaExceededException {
  protected static final long serialVersionUID = 1L;
  protected StorageType type;

  public QuotaByStorageTypeExceededException() {}

  public QuotaByStorageTypeExceededException(String msg) {
    super(msg);
  }

  public QuotaByStorageTypeExceededException(long quota, long count, StorageType type) {
    super(quota, count);
    this.type = type;
  }

  @Override
  public String getMessage() {
    String msg = super.getMessage();
    if (msg == null) {
      return "Quota by storage type : " + type.toString() +
          " on path : " + (pathName==null ? "": pathName) +
          " is exceeded. quota = "  + long2String(quota, "B", 2) +
          " but space consumed = " + long2String(count, "B", 2);
    } else {
      return msg;
    }
  }
}

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