skoppu22 commented on a change in pull request #1428: URL: https://github.com/apache/cassandra/pull/1428#discussion_r798555118
########## File path: src/java/org/apache/cassandra/gms/GossipStateTransition.java ########## @@ -0,0 +1,145 @@ +/* + * 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.gms; + +import java.net.InetAddress; + +import org.apache.cassandra.locator.InetAddressAndPort; + +import static org.apache.cassandra.utils.Clock.Global.currentTimeMillis; + +public class GossipStateTransition +{ + private final long timestamp; + public final InetAddressAndPort endpoint; + public final Integer generation; + public final Integer heartbeat; + + // Fields coming from @org.apache.cassandra.gms.ApplicationState + public final String status; + public final String load; + public final String schema; + public final String dc; + public final String rack; + public final String releaseVersion; + public final String removalCoordinator; + public final String internalIp; + public final String rpcAddress; + public final String severity; + public final String netVersion; + public final String hostId; + public final String tokens; + public final String rpcReady; + public final String internalAddressAndPort; + public final String nativeAddressAndPort; + public final String statusWithPort; + public final String sstableVersions; + + GossipStateTransition(InetAddressAndPort endpoint) + { + this(endpoint, (VersionedValue) null); + } + + GossipStateTransition(InetAddressAndPort endpoint, VersionedValue tokensVersion) + { + this.timestamp = currentTimeMillis(); + this.endpoint = endpoint; + this.generation = null; + this.heartbeat = null; + this.status = null; + this.load = null; + this.schema = null; + this.dc = null; + this.rack = null; + this.releaseVersion = null; + this.removalCoordinator = null; + this.internalIp = null; + this.rpcAddress = null; + this.severity = null; + this.netVersion = null; + this.hostId = null; + this.rpcReady = null; + this.internalAddressAndPort = null; + this.nativeAddressAndPort = null; + this.statusWithPort = null; + this.sstableVersions = null; + this.tokens = getTokensString(tokensVersion); + } + + GossipStateTransition(InetAddressAndPort endpoint, EndpointState endpointState) + { + HeartBeatState heartBeatState = endpointState.getHeartBeatState(); + + this.timestamp = currentTimeMillis(); + this.endpoint = endpoint; + this.generation = heartBeatState.getGeneration(); + this.heartbeat = heartBeatState.getHeartBeatVersion(); + + this.status = getString(endpointState.getApplicationState(ApplicationState.STATUS)); + this.load = getString(endpointState.getApplicationState(ApplicationState.LOAD)); + this.schema = getString(endpointState.getApplicationState(ApplicationState.SCHEMA)); + this.dc = getString(endpointState.getApplicationState(ApplicationState.DC)); + this.rack = getString(endpointState.getApplicationState(ApplicationState.RACK)); + this.releaseVersion = getString(endpointState.getApplicationState(ApplicationState.RELEASE_VERSION)); + this.removalCoordinator = getString(endpointState.getApplicationState(ApplicationState.REMOVAL_COORDINATOR)); + this.internalIp = getString(endpointState.getApplicationState(ApplicationState.INTERNAL_IP)); + this.rpcAddress = getString(endpointState.getApplicationState(ApplicationState.RPC_ADDRESS)); + this.severity = getString(endpointState.getApplicationState(ApplicationState.SEVERITY)); + this.netVersion = getString(endpointState.getApplicationState(ApplicationState.NET_VERSION)); + this.hostId = getString(endpointState.getApplicationState(ApplicationState.HOST_ID)); + this.rpcReady = getString(endpointState.getApplicationState(ApplicationState.RPC_READY)); + this.internalAddressAndPort = getString(endpointState.getApplicationState(ApplicationState.INTERNAL_ADDRESS_AND_PORT)); + this.nativeAddressAndPort = getString(endpointState.getApplicationState(ApplicationState.NATIVE_ADDRESS_AND_PORT)); + this.statusWithPort = getString(endpointState.getApplicationState(ApplicationState.STATUS_WITH_PORT)); + this.sstableVersions = getString(endpointState.getApplicationState(ApplicationState.SSTABLE_VERSIONS)); + this.tokens = getTokensString(endpointState.getApplicationState(ApplicationState.TOKENS)); + } + + public long timestamp() + { + return timestamp; + } + + public InetAddress address() + { + return endpoint.getAddress(); + } + + public int port() + { + return endpoint.getPort(); + } + + public String hostname() + { + return endpoint.getHostName(); + } + + private String getString(VersionedValue value) + { + return value == null + ? null + : value.version + ":" + value.value; + } + + private String getTokensString(VersionedValue tokens) + { + return tokens == null ? null : tokens.version + ":<hidden>"; Review comment: Just trying to understand, why are we appending ": hidden" here ? -- This is an automated message from the Apache Git Service. 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