| /* |
| * 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.schema; |
| |
| import java.io.Serializable; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import javax.annotation.Nullable; |
| |
| import org.apache.cassandra.audit.AuditLogContext; |
| import org.apache.cassandra.cql3.CQLStatement; |
| import org.apache.cassandra.diag.DiagnosticEvent; |
| import org.apache.cassandra.locator.InetAddressAndPort; |
| |
| /** |
| * Events emitted by {@link MigrationManager} around propagating schema changes to remote nodes. |
| */ |
| final class SchemaAnnouncementEvent extends DiagnosticEvent |
| { |
| private final SchemaAnnouncementEventType type; |
| @Nullable |
| private final Set<InetAddressAndPort> schemaDestinationEndpoints; |
| @Nullable |
| private final Set<InetAddressAndPort> schemaEndpointsIgnored; |
| @Nullable |
| private final CQLStatement statement; |
| @Nullable |
| private final InetAddressAndPort sender; |
| |
| enum SchemaAnnouncementEventType |
| { |
| SCHEMA_MUTATIONS_ANNOUNCED, |
| SCHEMA_TRANSFORMATION_ANNOUNCED, |
| SCHEMA_MUTATIONS_RECEIVED |
| } |
| |
| SchemaAnnouncementEvent(SchemaAnnouncementEventType type, |
| @Nullable Set<InetAddressAndPort> schemaDestinationEndpoints, |
| @Nullable Set<InetAddressAndPort> schemaEndpointsIgnored, |
| @Nullable SchemaTransformation transformation, |
| @Nullable InetAddressAndPort sender) |
| { |
| this.type = type; |
| this.schemaDestinationEndpoints = schemaDestinationEndpoints; |
| this.schemaEndpointsIgnored = schemaEndpointsIgnored; |
| if (transformation instanceof CQLStatement) this.statement = (CQLStatement) transformation; |
| else this.statement = null; |
| this.sender = sender; |
| } |
| |
| public Enum<?> getType() |
| { |
| return type; |
| } |
| |
| public Map<String, Serializable> toMap() |
| { |
| HashMap<String, Serializable> ret = new HashMap<>(); |
| if (schemaDestinationEndpoints != null) |
| { |
| Set<String> eps = schemaDestinationEndpoints.stream().map(InetAddressAndPort::toString).collect(Collectors.toSet()); |
| ret.put("endpointDestinations", new HashSet<>(eps)); |
| } |
| if (schemaEndpointsIgnored != null) |
| { |
| Set<String> eps = schemaEndpointsIgnored.stream().map(InetAddressAndPort::toString).collect(Collectors.toSet()); |
| ret.put("endpointIgnored", new HashSet<>(eps)); |
| } |
| if (statement != null) |
| { |
| AuditLogContext logContext = statement.getAuditLogContext(); |
| if (logContext != null) |
| { |
| HashMap<String, String> log = new HashMap<>(); |
| if (logContext.auditLogEntryType != null) log.put("type", logContext.auditLogEntryType.name()); |
| if (logContext.keyspace != null) log.put("keyspace", logContext.keyspace); |
| if (logContext.scope != null) log.put("table", logContext.scope); |
| ret.put("statement", log); |
| } |
| } |
| if (sender != null) ret.put("sender", sender.toString()); |
| return ret; |
| } |
| } |