/* * Copyright 2018-2018 The Last Pickle Ltd * * * Licensed 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 io.cassandrareaper.service; import io.cassandrareaper.core.Stream; import io.cassandrareaper.core.StreamSession; import java.util.Map; import java.util.UUID; import java.util.stream.Collectors; import org.apache.cassandra.streaming.StreamState; public final class StreamSessionFactory { private StreamSessionFactory() {} /** * This is called when stream info is explicitly pulled from a node. * * @param host hostname of the node the streams are pulled from. * @param streamState parsed payload received from Cassandra. * @return stream session. */ public static StreamSession fromStreamState(String host, StreamState streamState) { UUID planId = streamState.planId; Map<String, Stream> streams = streamState.sessions.stream() .map(sessionInfo -> StreamFactory.newStream(host, sessionInfo, System.currentTimeMillis())) .collect(Collectors.toMap(Stream::getId, stream -> stream)); return StreamSession.builder() .withPlanId(planId.toString()) .withStreams(streams) .build(); } }