QuotaExceededException.java
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上传日期:2018-01-08
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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.hadoop.hdfs.protocol;
- import java.io.IOException;
- /**
- * This exception is thrown when modification to HDFS results in violation
- * of a directory quota. A directory quota might be namespace quota (limit
- * on number of files and directories) or a diskspace quota (limit on space
- * taken by all the file under the directory tree). <br> <br>
- *
- * The message for the exception specifies the directory where the quota
- * was violated and actual quotas.
- */
- public final class QuotaExceededException extends IOException {
- private static final long serialVersionUID = 1L;
- private String pathName;
- private long nsQuota;
- private long nsCount;
- private long dsQuota;
- private long diskspace;
-
- public QuotaExceededException(String msg) {
- super(msg);
- }
-
- public QuotaExceededException(long nsQuota, long nsCount,
- long dsQuota, long diskspace) {
- this.nsQuota = nsQuota;
- this.nsCount = nsCount;
- this.dsQuota = dsQuota;
- this.diskspace = diskspace;
- }
-
- public void setPathName(String path) {
- this.pathName = path;
- }
-
- public String getMessage() {
- String msg = super.getMessage();
- if (msg == null) {
- return "The quota" + (pathName==null?"":(" of " + pathName)) +
- " is exceeded: namespace quota=" + nsQuota + " file count=" +
- nsCount + ", diskspace quota=" + dsQuota +
- " diskspace=" + diskspace;
- } else {
- return msg;
- }
- }
- }