| /* |
| * 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.dht; |
| |
| import java.util.Collection; |
| import com.google.common.collect.ImmutableList; |
| |
| import org.apache.cassandra.dht.BootstrapEvent.BootstrapEventType; |
| import org.apache.cassandra.diag.DiagnosticEventService; |
| import org.apache.cassandra.locator.InetAddressAndPort; |
| import org.apache.cassandra.locator.TokenMetadata; |
| |
| /** |
| * Utility methods for bootstrap related activities. |
| */ |
| final class BootstrapDiagnostics |
| { |
| private static final DiagnosticEventService service = DiagnosticEventService.instance(); |
| |
| private BootstrapDiagnostics() |
| { |
| } |
| |
| static void useSpecifiedTokens(InetAddressAndPort address, String allocationKeyspace, Collection<Token> initialTokens, |
| int numTokens) |
| { |
| if (isEnabled(BootstrapEventType.BOOTSTRAP_USING_SPECIFIED_TOKENS)) |
| service.publish(new BootstrapEvent(BootstrapEventType.BOOTSTRAP_USING_SPECIFIED_TOKENS, |
| address, |
| null, |
| allocationKeyspace, |
| null, |
| numTokens, |
| ImmutableList.copyOf(initialTokens))); |
| } |
| |
| static void useRandomTokens(InetAddressAndPort address, TokenMetadata metadata, int numTokens, Collection<Token> tokens) |
| { |
| if (isEnabled(BootstrapEventType.BOOTSTRAP_USING_RANDOM_TOKENS)) |
| service.publish(new BootstrapEvent(BootstrapEventType.BOOTSTRAP_USING_RANDOM_TOKENS, |
| address, |
| metadata.cloneOnlyTokenMap(), |
| null, |
| null, |
| numTokens, |
| ImmutableList.copyOf(tokens))); |
| } |
| |
| static void tokensAllocated(InetAddressAndPort address, TokenMetadata metadata, |
| String allocationKeyspace, int numTokens, Collection<Token> tokens) |
| { |
| if (isEnabled(BootstrapEventType.TOKENS_ALLOCATED)) |
| service.publish(new BootstrapEvent(BootstrapEventType.TOKENS_ALLOCATED, |
| address, |
| metadata.cloneOnlyTokenMap(), |
| allocationKeyspace, |
| null, |
| numTokens, |
| ImmutableList.copyOf(tokens))); |
| } |
| |
| static void tokensAllocated(InetAddressAndPort address, TokenMetadata metadata, |
| int rf, int numTokens, Collection<Token> tokens) |
| { |
| if (isEnabled(BootstrapEventType.TOKENS_ALLOCATED)) |
| service.publish(new BootstrapEvent(BootstrapEventType.TOKENS_ALLOCATED, |
| address, |
| metadata.cloneOnlyTokenMap(), |
| null, |
| rf, |
| numTokens, |
| ImmutableList.copyOf(tokens))); |
| } |
| |
| private static boolean isEnabled(BootstrapEventType type) |
| { |
| return service.isEnabled(BootstrapEvent.class, type); |
| } |
| |
| } |