20778b2df6
The StreamManager getStreams returns an hirarchy of classes. This patch import StreamManagerMBean with the class hirarchy and add an implementation to StreamManager. The implementation is based on the stream_manager API. Signed-off-by: Amnon Heiman <amnon@scylladb.com>
97 lines
2.8 KiB
Java
97 lines
2.8 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright 2015 ScyllaDB
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*
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* Modified by ScyllaDB
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*/
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package org.apache.cassandra.streaming;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.UUID;
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import javax.json.JsonArray;
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import javax.json.JsonObject;
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import com.google.common.base.Objects;
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/**
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* Summary of streaming.
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*/
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public class StreamSummary
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{
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public final UUID cfId;
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/**
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* Number of files to transfer. Can be 0 if nothing to transfer for some streaming request.
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*/
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public final int files;
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public final long totalSize;
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public StreamSummary(UUID cfId, int files, long totalSize)
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{
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this.cfId = cfId;
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this.files = files;
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this.totalSize = totalSize;
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}
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public StreamSummary(String cfId, int files, long totalSize) {
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this(UUID.fromString(cfId), files, totalSize);
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}
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public static StreamSummary fromJsonObject(JsonObject obj) {
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return new StreamSummary(obj.getString("cf_id"), obj.getInt("files"), obj.getJsonNumber("total_size").longValue());
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}
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public static Collection<StreamSummary> fromJsonArr(JsonArray arr) {
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Collection<StreamSummary> res = new ArrayList<StreamSummary>();
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for (int i = 0; i < arr.size(); i++) {
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res.add(fromJsonObject(arr.getJsonObject(i)));
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}
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return res;
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}
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@Override
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public boolean equals(Object o)
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{
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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StreamSummary summary = (StreamSummary) o;
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return files == summary.files && totalSize == summary.totalSize && cfId.equals(summary.cfId);
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}
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@Override
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public int hashCode()
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{
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return Objects.hashCode(cfId, files, totalSize);
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}
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@Override
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public String toString()
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{
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final StringBuilder sb = new StringBuilder("StreamSummary{");
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sb.append("path=").append(cfId);
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sb.append(", files=").append(files);
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sb.append(", totalSize=").append(totalSize);
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sb.append('}');
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return sb.toString();
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}
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}
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