| /** |
| * 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.server.namenode; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.fs.permission.PermissionStatus; |
| import org.apache.hadoop.fs.StorageType; |
| import org.apache.hadoop.hdfs.util.EnumCounters; |
| |
| import com.google.common.base.Preconditions; |
| |
| /** |
| * The attributes of an inode. |
| */ |
| @InterfaceAudience.Private |
| public interface INodeDirectoryAttributes extends INodeAttributes { |
| public QuotaCounts getQuotaCounts(); |
| |
| public boolean metadataEquals(INodeDirectoryAttributes other); |
| |
| /** A copy of the inode directory attributes */ |
| public static class SnapshotCopy extends INodeAttributes.SnapshotCopy |
| implements INodeDirectoryAttributes { |
| public SnapshotCopy(byte[] name, PermissionStatus permissions, |
| AclFeature aclFeature, long modificationTime, |
| XAttrFeature xAttrsFeature) { |
| super(name, permissions, aclFeature, modificationTime, 0L, xAttrsFeature); |
| } |
| |
| public SnapshotCopy(INodeDirectory dir) { |
| super(dir); |
| } |
| |
| @Override |
| public QuotaCounts getQuotaCounts() { |
| return new QuotaCounts.Builder().nameSpace(-1). |
| storageSpace(-1).typeSpaces(-1).build(); |
| } |
| |
| public boolean isDirectory() { |
| return true; |
| } |
| |
| @Override |
| public boolean metadataEquals(INodeDirectoryAttributes other) { |
| return other != null |
| && getQuotaCounts().equals(other.getQuotaCounts()) |
| && getPermissionLong() == other.getPermissionLong() |
| && getAclFeature() == other.getAclFeature() |
| && getXAttrFeature() == other.getXAttrFeature(); |
| } |
| } |
| |
| public static class CopyWithQuota extends INodeDirectoryAttributes.SnapshotCopy { |
| private QuotaCounts quota; |
| |
| public CopyWithQuota(byte[] name, PermissionStatus permissions, |
| AclFeature aclFeature, long modificationTime, long nsQuota, |
| long dsQuota, EnumCounters<StorageType> typeQuotas, XAttrFeature xAttrsFeature) { |
| super(name, permissions, aclFeature, modificationTime, xAttrsFeature); |
| this.quota = new QuotaCounts.Builder().nameSpace(nsQuota). |
| storageSpace(dsQuota).typeSpaces(typeQuotas).build(); |
| } |
| |
| public CopyWithQuota(INodeDirectory dir) { |
| super(dir); |
| Preconditions.checkArgument(dir.isQuotaSet()); |
| final QuotaCounts q = dir.getQuotaCounts(); |
| this.quota = new QuotaCounts.Builder().quotaCount(q).build(); |
| } |
| |
| @Override |
| public QuotaCounts getQuotaCounts() { |
| return new QuotaCounts.Builder().quotaCount(quota).build(); |
| } |
| } |
| } |