| /* |
| * 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.IOException; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import org.apache.cassandra.db.TypeSizes; |
| import org.apache.cassandra.io.IVersionedSerializer; |
| import org.apache.cassandra.io.util.DataInputPlus; |
| import org.apache.cassandra.io.util.DataOutputPlus; |
| import org.apache.cassandra.locator.InetAddressAndPort; |
| import org.apache.cassandra.locator.InetAddressAndPort.Serializer; |
| |
| import static org.apache.cassandra.locator.InetAddressAndPort.Serializer.inetAddressAndPortSerializer; |
| |
| public class SessionSummary |
| { |
| public final InetAddressAndPort coordinator; |
| public final InetAddressAndPort peer; |
| /** Immutable collection of receiving summaries */ |
| public final Collection<StreamSummary> receivingSummaries; |
| /** Immutable collection of sending summaries*/ |
| public final Collection<StreamSummary> sendingSummaries; |
| |
| public SessionSummary(InetAddressAndPort coordinator, InetAddressAndPort peer, |
| Collection<StreamSummary> receivingSummaries, |
| Collection<StreamSummary> sendingSummaries) |
| { |
| assert coordinator != null; |
| assert peer != null; |
| assert receivingSummaries != null; |
| assert sendingSummaries != null; |
| |
| this.coordinator = coordinator; |
| this.peer = peer; |
| this.receivingSummaries = receivingSummaries; |
| this.sendingSummaries = sendingSummaries; |
| } |
| |
| public boolean equals(Object o) |
| { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| SessionSummary summary = (SessionSummary) o; |
| |
| if (!coordinator.equals(summary.coordinator)) return false; |
| if (!peer.equals(summary.peer)) return false; |
| if (!receivingSummaries.equals(summary.receivingSummaries)) return false; |
| return sendingSummaries.equals(summary.sendingSummaries); |
| } |
| |
| public int hashCode() |
| { |
| int result = coordinator.hashCode(); |
| result = 31 * result + peer.hashCode(); |
| result = 31 * result + receivingSummaries.hashCode(); |
| result = 31 * result + sendingSummaries.hashCode(); |
| return result; |
| } |
| |
| public static IVersionedSerializer<SessionSummary> serializer = new IVersionedSerializer<SessionSummary>() |
| { |
| public void serialize(SessionSummary summary, DataOutputPlus out, int version) throws IOException |
| { |
| inetAddressAndPortSerializer.serialize(summary.coordinator, out, version); |
| inetAddressAndPortSerializer.serialize(summary.peer, out, version); |
| |
| out.writeInt(summary.receivingSummaries.size()); |
| for (StreamSummary streamSummary: summary.receivingSummaries) |
| { |
| StreamSummary.serializer.serialize(streamSummary, out, version); |
| } |
| |
| out.writeInt(summary.sendingSummaries.size()); |
| for (StreamSummary streamSummary: summary.sendingSummaries) |
| { |
| StreamSummary.serializer.serialize(streamSummary, out, version); |
| } |
| } |
| |
| public SessionSummary deserialize(DataInputPlus in, int version) throws IOException |
| { |
| InetAddressAndPort coordinator = inetAddressAndPortSerializer.deserialize(in, version); |
| InetAddressAndPort peer = inetAddressAndPortSerializer.deserialize(in, version); |
| |
| int numRcvd = in.readInt(); |
| List<StreamSummary> receivingSummaries = new ArrayList<>(numRcvd); |
| for (int i=0; i<numRcvd; i++) |
| { |
| receivingSummaries.add(StreamSummary.serializer.deserialize(in, version)); |
| } |
| |
| int numSent = in.readInt(); |
| List<StreamSummary> sendingSummaries = new ArrayList<>(numRcvd); |
| for (int i=0; i<numSent; i++) |
| { |
| sendingSummaries.add(StreamSummary.serializer.deserialize(in, version)); |
| } |
| |
| return new SessionSummary(coordinator, peer, receivingSummaries, sendingSummaries); |
| } |
| |
| public long serializedSize(SessionSummary summary, int version) |
| { |
| long size = 0; |
| size += inetAddressAndPortSerializer.serializedSize(summary.coordinator, version); |
| size += inetAddressAndPortSerializer.serializedSize(summary.peer, version); |
| |
| size += TypeSizes.sizeof(summary.receivingSummaries.size()); |
| for (StreamSummary streamSummary: summary.receivingSummaries) |
| { |
| size += StreamSummary.serializer.serializedSize(streamSummary, version); |
| } |
| size += TypeSizes.sizeof(summary.sendingSummaries.size()); |
| for (StreamSummary streamSummary: summary.sendingSummaries) |
| { |
| size += StreamSummary.serializer.serializedSize(streamSummary, version); |
| } |
| return size; |
| } |
| }; |
| } |