| /** |
| * 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.fs; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.io.Writable; |
| |
| /** This class is used to represent the capacity, free and used space on a |
| * {@link FileSystem}. |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Stable |
| public class FsStatus implements Writable { |
| private long capacity; |
| private long used; |
| private long remaining; |
| |
| /** Construct a FsStatus object, using the specified statistics */ |
| public FsStatus(long capacity, long used, long remaining) { |
| this.capacity = capacity; |
| this.used = used; |
| this.remaining = remaining; |
| } |
| |
| /** Return the capacity in bytes of the file system */ |
| public long getCapacity() { |
| return capacity; |
| } |
| |
| /** Return the number of bytes used on the file system */ |
| public long getUsed() { |
| return used; |
| } |
| |
| /** Return the number of remaining bytes on the file system */ |
| public long getRemaining() { |
| return remaining; |
| } |
| |
| ////////////////////////////////////////////////// |
| // Writable |
| ////////////////////////////////////////////////// |
| public void write(DataOutput out) throws IOException { |
| out.writeLong(capacity); |
| out.writeLong(used); |
| out.writeLong(remaining); |
| } |
| |
| public void readFields(DataInput in) throws IOException { |
| capacity = in.readLong(); |
| used = in.readLong(); |
| remaining = in.readLong(); |
| } |
| } |