| /* |
| * 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.ignite.internal.catalog.storage; |
| |
| import static java.util.Objects.requireNonNull; |
| import static org.apache.ignite.internal.catalog.commands.CatalogUtils.defaultZoneIdOpt; |
| import static org.apache.ignite.internal.catalog.commands.CatalogUtils.replaceSchema; |
| import static org.apache.ignite.internal.catalog.commands.CatalogUtils.replaceTable; |
| |
| import java.io.IOException; |
| import org.apache.ignite.internal.catalog.Catalog; |
| import org.apache.ignite.internal.catalog.descriptors.CatalogSchemaDescriptor; |
| import org.apache.ignite.internal.catalog.descriptors.CatalogTableDescriptor; |
| import org.apache.ignite.internal.catalog.events.CatalogEvent; |
| import org.apache.ignite.internal.catalog.events.CatalogEventParameters; |
| import org.apache.ignite.internal.catalog.events.RenameTableEventParameters; |
| import org.apache.ignite.internal.catalog.storage.serialization.CatalogObjectSerializer; |
| import org.apache.ignite.internal.catalog.storage.serialization.MarshallableEntryType; |
| import org.apache.ignite.internal.util.io.IgniteDataInput; |
| import org.apache.ignite.internal.util.io.IgniteDataOutput; |
| |
| /** Entry representing a rename of a table. */ |
| public class RenameTableEntry implements UpdateEntry, Fireable { |
| public static final CatalogObjectSerializer<RenameTableEntry> SERIALIZER = new RenameTableEntrySerializer(); |
| |
| private final int tableId; |
| |
| private final String newTableName; |
| |
| public RenameTableEntry(int tableId, String newTableName) { |
| this.tableId = tableId; |
| this.newTableName = newTableName; |
| } |
| |
| @Override |
| public int typeId() { |
| return MarshallableEntryType.RENAME_TABLE.id(); |
| } |
| |
| @Override |
| public CatalogEvent eventType() { |
| return CatalogEvent.TABLE_ALTER; |
| } |
| |
| @Override |
| public CatalogEventParameters createEventParameters(long causalityToken, int catalogVersion) { |
| return new RenameTableEventParameters(causalityToken, catalogVersion, tableId, newTableName); |
| } |
| |
| @Override |
| public Catalog applyUpdate(Catalog catalog, long causalityToken) { |
| CatalogTableDescriptor tableDescriptor = requireNonNull(catalog.table(tableId)); |
| |
| CatalogSchemaDescriptor schemaDescriptor = requireNonNull(catalog.schema(tableDescriptor.schemaId())); |
| |
| CatalogTableDescriptor newTableDescriptor = tableDescriptor.newDescriptor( |
| newTableName, |
| tableDescriptor.tableVersion() + 1, |
| tableDescriptor.columns(), |
| causalityToken, |
| tableDescriptor.storageProfile() |
| ); |
| |
| return new Catalog( |
| catalog.version(), |
| catalog.time(), |
| catalog.objectIdGenState(), |
| catalog.zones(), |
| replaceSchema(replaceTable(schemaDescriptor, newTableDescriptor), catalog.schemas()), |
| defaultZoneIdOpt(catalog) |
| ); |
| } |
| |
| /** |
| * Serializer for {@link RenameTableEntry}. |
| */ |
| private static class RenameTableEntrySerializer implements CatalogObjectSerializer<RenameTableEntry> { |
| @Override |
| public RenameTableEntry readFrom(IgniteDataInput input) throws IOException { |
| int tableId = input.readInt(); |
| String newTableName = input.readUTF(); |
| |
| return new RenameTableEntry(tableId, newTableName); |
| } |
| |
| @Override |
| public void writeTo(RenameTableEntry entry, IgniteDataOutput output) throws IOException { |
| output.writeInt(entry.tableId); |
| output.writeUTF(entry.newTableName); |
| } |
| } |
| } |