Java tutorial
/* * 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.net; import java.io.IOException; import java.net.UnknownHostException; import java.util.Map; /** * MBean exposing MessagingService metrics plus allowing to enable/disable back-pressure. */ public interface MessagingServiceMBean { /** * Pending tasks for large message TCP Connections */ @Deprecated public Map<String, Integer> getLargeMessagePendingTasks(); public Map<String, Integer> getLargeMessagePendingTasksWithPort(); /** * Completed tasks for large message) TCP Connections */ @Deprecated public Map<String, Long> getLargeMessageCompletedTasks(); public Map<String, Long> getLargeMessageCompletedTasksWithPort(); /** * Dropped tasks for large message TCP Connections */ @Deprecated public Map<String, Long> getLargeMessageDroppedTasks(); public Map<String, Long> getLargeMessageDroppedTasksWithPort(); /** * Pending tasks for small message TCP Connections */ @Deprecated public Map<String, Integer> getSmallMessagePendingTasks(); public Map<String, Integer> getSmallMessagePendingTasksWithPort(); /** * Completed tasks for small message TCP Connections */ @Deprecated public Map<String, Long> getSmallMessageCompletedTasks(); public Map<String, Long> getSmallMessageCompletedTasksWithPort(); /** * Dropped tasks for small message TCP Connections */ @Deprecated public Map<String, Long> getSmallMessageDroppedTasks(); public Map<String, Long> getSmallMessageDroppedTasksWithPort(); /** * Pending tasks for gossip message TCP Connections */ @Deprecated public Map<String, Integer> getGossipMessagePendingTasks(); public Map<String, Integer> getGossipMessagePendingTasksWithPort(); /** * Completed tasks for gossip message TCP Connections */ @Deprecated public Map<String, Long> getGossipMessageCompletedTasks(); public Map<String, Long> getGossipMessageCompletedTasksWithPort(); /** * Dropped tasks for gossip message TCP Connections */ @Deprecated public Map<String, Long> getGossipMessageDroppedTasks(); public Map<String, Long> getGossipMessageDroppedTasksWithPort(); /** * dropped message counts for server lifetime */ public Map<String, Integer> getDroppedMessages(); /** * Total number of timeouts happened on this node */ public long getTotalTimeouts(); /** * Number of timeouts per host */ @Deprecated public Map<String, Long> getTimeoutsPerHost(); public Map<String, Long> getTimeoutsPerHostWithPort(); /** * Back-pressure rate limiting per host */ @Deprecated public Map<String, Double> getBackPressurePerHost(); public Map<String, Double> getBackPressurePerHostWithPort(); /** * Enable/Disable back-pressure */ public void setBackPressureEnabled(boolean enabled); /** * Get back-pressure enabled state */ public boolean isBackPressureEnabled(); public int getVersion(String address) throws UnknownHostException; void reloadSslCertificates() throws IOException; }