| /** |
| * 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; |
| import org.apache.hadoop.io.WritableFactories; |
| import org.apache.hadoop.io.WritableFactory; |
| |
| /**************************************************** |
| * Provides server default configuration values to clients. |
| * |
| ****************************************************/ |
| @InterfaceAudience.Public |
| @InterfaceStability.Evolving |
| public class FsServerDefaults implements Writable { |
| |
| static { // register a ctor |
| WritableFactories.setFactory(FsServerDefaults.class, new WritableFactory() { |
| public Writable newInstance() { |
| return new FsServerDefaults(); |
| } |
| }); |
| } |
| |
| private long blockSize; |
| private int bytesPerChecksum; |
| private int writePacketSize; |
| private short replication; |
| private int fileBufferSize; |
| |
| public FsServerDefaults() { |
| } |
| |
| public FsServerDefaults(long blockSize, int bytesPerChecksum, |
| int writePacketSize, short replication, int fileBufferSize) { |
| this.blockSize = blockSize; |
| this.bytesPerChecksum = bytesPerChecksum; |
| this.writePacketSize = writePacketSize; |
| this.replication = replication; |
| this.fileBufferSize = fileBufferSize; |
| } |
| |
| public long getBlockSize() { |
| return blockSize; |
| } |
| |
| public int getBytesPerChecksum() { |
| return bytesPerChecksum; |
| } |
| |
| public int getWritePacketSize() { |
| return writePacketSize; |
| } |
| |
| public short getReplication() { |
| return replication; |
| } |
| |
| public int getFileBufferSize() { |
| return fileBufferSize; |
| } |
| |
| // ///////////////////////////////////////// |
| // Writable |
| // ///////////////////////////////////////// |
| @InterfaceAudience.Private |
| public void write(DataOutput out) throws IOException { |
| out.writeLong(blockSize); |
| out.writeInt(bytesPerChecksum); |
| out.writeInt(writePacketSize); |
| out.writeShort(replication); |
| out.writeInt(fileBufferSize); |
| } |
| |
| @InterfaceAudience.Private |
| public void readFields(DataInput in) throws IOException { |
| blockSize = in.readLong(); |
| bytesPerChecksum = in.readInt(); |
| writePacketSize = in.readInt(); |
| replication = in.readShort(); |
| fileBufferSize = in.readInt(); |
| } |
| } |