| /* |
| * 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 org.apache.cassandra.diag.DiagnosticEventService; |
| import org.apache.cassandra.hints.HintEvent.HintEventType; |
| import org.apache.cassandra.hints.HintEvent.HintResult; |
| |
| /** |
| * Utility methods for DiagnosticEvents around hinted handoff. |
| */ |
| final class HintDiagnostics |
| { |
| private static final DiagnosticEventService service = DiagnosticEventService.instance(); |
| |
| private HintDiagnostics() |
| { |
| } |
| |
| static void dispatcherCreated(HintsDispatcher dispatcher) |
| { |
| if (isEnabled(HintEventType.DISPATCHER_CREATED)) |
| service.publish(new HintEvent(HintEventType.DISPATCHER_CREATED, dispatcher, |
| dispatcher.hostId, dispatcher.address, null, null, null, null)); |
| } |
| |
| static void dispatcherClosed(HintsDispatcher dispatcher) |
| { |
| if (isEnabled(HintEventType.DISPATCHER_CLOSED)) |
| service.publish(new HintEvent(HintEventType.DISPATCHER_CLOSED, dispatcher, |
| dispatcher.hostId, dispatcher.address, null, null, null, null)); |
| } |
| |
| static void dispatchPage(HintsDispatcher dispatcher) |
| { |
| if (isEnabled(HintEventType.DISPATCHER_PAGE)) |
| service.publish(new HintEvent(HintEventType.DISPATCHER_PAGE, dispatcher, |
| dispatcher.hostId, dispatcher.address, null, null, null, null)); |
| } |
| |
| static void abortRequested(HintsDispatcher dispatcher) |
| { |
| if (isEnabled(HintEventType.ABORT_REQUESTED)) |
| service.publish(new HintEvent(HintEventType.ABORT_REQUESTED, dispatcher, |
| dispatcher.hostId, dispatcher.address, null, null, null, null)); |
| } |
| |
| static void pageSuccessResult(HintsDispatcher dispatcher, long success, long failures, long timeouts) |
| { |
| if (isEnabled(HintEventType.DISPATCHER_HINT_RESULT)) |
| service.publish(new HintEvent(HintEventType.DISPATCHER_HINT_RESULT, dispatcher, |
| dispatcher.hostId, dispatcher.address, HintResult.PAGE_SUCCESS, |
| success, failures, timeouts)); |
| } |
| |
| static void pageFailureResult(HintsDispatcher dispatcher, long success, long failures, long timeouts) |
| { |
| if (isEnabled(HintEventType.DISPATCHER_HINT_RESULT)) |
| service.publish(new HintEvent(HintEventType.DISPATCHER_HINT_RESULT, dispatcher, |
| dispatcher.hostId, dispatcher.address, HintResult.PAGE_FAILURE, |
| success, failures, timeouts)); |
| } |
| |
| private static boolean isEnabled(HintEventType type) |
| { |
| return service.isEnabled(HintEvent.class, type); |
| } |
| |
| } |