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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.cassandra.streaming;
import java.io.Serializable;
import java.net.InetAddress;
import com.google.common.base.Objects;
/**
* ProgressInfo contains file transfer progress.
*/
public class ProgressInfo implements Serializable
{
/**
* Direction of the stream.
*/
public static enum Direction
{
OUT(0),
IN(1);
public final byte code;
private Direction(int code)
{
this.code = (byte) code;
}
public static Direction fromByte(byte direction)
{
return direction == 0 ? OUT : IN;
}
}
public final InetAddress peer;
public final int sessionIndex;
public final String fileName;
public final Direction direction;
public final long currentBytes;
public final long totalBytes;
public ProgressInfo(InetAddress peer, int sessionIndex, String fileName, Direction direction, long currentBytes, long totalBytes)
{
assert totalBytes > 0;
this.peer = peer;
this.sessionIndex = sessionIndex;
this.fileName = fileName;
this.direction = direction;
this.currentBytes = currentBytes;
this.totalBytes = totalBytes;
}
/**
* @return true if file transfer is completed
*/
public boolean isCompleted()
{
return currentBytes >= totalBytes;
}
/**
* ProgressInfo is considered to be equal only when all attributes except currentBytes are equal.
*/
@Override
public boolean equals(Object o)
{
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ProgressInfo that = (ProgressInfo) o;
if (totalBytes != that.totalBytes) return false;
if (direction != that.direction) return false;
if (!fileName.equals(that.fileName)) return false;
if (sessionIndex != that.sessionIndex) return false;
return peer.equals(that.peer);
}
@Override
public int hashCode()
{
return Objects.hashCode(peer, sessionIndex, fileName, direction, totalBytes);
}
@Override
public String toString()
{
StringBuilder sb = new StringBuilder(fileName);
sb.append(" ").append(currentBytes);
sb.append("/").append(totalBytes).append(" bytes");
sb.append("(").append(currentBytes*100/totalBytes).append("%) ");
sb.append(direction == Direction.OUT ? "sent to " : "received from ");
sb.append("idx:").append(sessionIndex);
sb.append(peer);
return sb.toString();
}
}