scylla-jmx/src/main/java/org/apache/cassandra/streaming/StreamSummary.java

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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.
*/
/*
* Copyright 2015 ScyllaDB
*
* Modified by ScyllaDB
*/
package org.apache.cassandra.streaming;
import java.util.ArrayList;
import java.util.Collection;
import java.util.UUID;
import javax.json.JsonArray;
import javax.json.JsonObject;
import com.google.common.base.Objects;
/**
* Summary of streaming.
*/
public class StreamSummary
{
public final UUID cfId;
/**
* Number of files to transfer. Can be 0 if nothing to transfer for some streaming request.
*/
public final int files;
public final long totalSize;
public StreamSummary(UUID cfId, int files, long totalSize)
{
this.cfId = cfId;
this.files = files;
this.totalSize = totalSize;
}
public StreamSummary(String cfId, int files, long totalSize) {
this(UUID.fromString(cfId), files, totalSize);
}
public static StreamSummary fromJsonObject(JsonObject obj) {
return new StreamSummary(obj.getString("cf_id"), obj.getInt("files"), obj.getJsonNumber("total_size").longValue());
}
public static Collection<StreamSummary> fromJsonArr(JsonArray arr) {
if (arr == null) {
return null;
}
Collection<StreamSummary> res = new ArrayList<StreamSummary>();
for (int i = 0; i < arr.size(); i++) {
res.add(fromJsonObject(arr.getJsonObject(i)));
}
return res;
}
@Override
public boolean equals(Object o)
{
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
StreamSummary summary = (StreamSummary) o;
return files == summary.files && totalSize == summary.totalSize && cfId.equals(summary.cfId);
}
@Override
public int hashCode()
{
return Objects.hashCode(cfId, files, totalSize);
}
@Override
public String toString()
{
final StringBuilder sb = new StringBuilder("StreamSummary{");
sb.append("path=").append(cfId);
sb.append(", files=").append(files);
sb.append(", totalSize=").append(totalSize);
sb.append('}');
return sb.toString();
}
}