| /* |
| * 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.hints; |
| |
| import java.io.Serializable; |
| import java.util.HashMap; |
| import java.util.UUID; |
| import javax.annotation.Nullable; |
| |
| import org.apache.cassandra.diag.DiagnosticEvent; |
| import org.apache.cassandra.locator.InetAddressAndPort; |
| |
| /** |
| * DiagnosticEvent implementation for hinted handoff. |
| */ |
| final class HintEvent extends DiagnosticEvent |
| { |
| enum HintEventType |
| { |
| DISPATCHING_STARTED, |
| DISPATCHING_PAUSED, |
| DISPATCHING_RESUMED, |
| DISPATCHING_SHUTDOWN, |
| |
| DISPATCHER_CREATED, |
| DISPATCHER_CLOSED, |
| |
| DISPATCHER_PAGE, |
| DISPATCHER_HINT_RESULT, |
| |
| ABORT_REQUESTED |
| } |
| |
| enum HintResult |
| { |
| PAGE_SUCCESS, PAGE_FAILURE |
| } |
| |
| private final HintEventType type; |
| private final HintsDispatcher dispatcher; |
| private final UUID targetHostId; |
| private final InetAddressAndPort targetAddress; |
| @Nullable |
| private final HintResult dispatchResult; |
| @Nullable |
| private final Long pageHintsSuccessful; |
| @Nullable |
| private final Long pageHintsFailed; |
| @Nullable |
| private final Long pageHintsTimeout; |
| |
| HintEvent(HintEventType type, HintsDispatcher dispatcher, UUID targetHostId, InetAddressAndPort targetAddress, |
| @Nullable HintResult dispatchResult, @Nullable Long pageHintsSuccessful, |
| @Nullable Long pageHintsFailed, @Nullable Long pageHintsTimeout) |
| { |
| this.type = type; |
| this.dispatcher = dispatcher; |
| this.targetHostId = targetHostId; |
| this.targetAddress = targetAddress; |
| this.dispatchResult = dispatchResult; |
| this.pageHintsSuccessful = pageHintsSuccessful; |
| this.pageHintsFailed = pageHintsFailed; |
| this.pageHintsTimeout = pageHintsTimeout; |
| } |
| |
| public Enum<HintEventType> getType() |
| { |
| return type; |
| } |
| |
| public HashMap<String, Serializable> toMap() |
| { |
| // be extra defensive against nulls and bugs |
| HashMap<String, Serializable> ret = new HashMap<>(); |
| ret.put("targetHostId", targetHostId); |
| ret.put("targetAddress", targetAddress.getHostAddressAndPort()); |
| if (dispatchResult != null) ret.put("dispatchResult", dispatchResult.name()); |
| if (pageHintsSuccessful != null || pageHintsFailed != null || pageHintsTimeout != null) |
| { |
| ret.put("hint.page.hints_succeeded", pageHintsSuccessful); |
| ret.put("hint.page.hints_failed", pageHintsFailed); |
| ret.put("hint.page.hints_timed_out", pageHintsTimeout); |
| } |
| return ret; |
| } |
| } |