| /* |
| * 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.stream.Collectors.toList; |
| |
| import java.io.IOException; |
| import org.apache.ignite.internal.catalog.Catalog; |
| import org.apache.ignite.internal.catalog.events.CatalogEvent; |
| import org.apache.ignite.internal.catalog.events.CatalogEventParameters; |
| import org.apache.ignite.internal.catalog.events.DropZoneEventParameters; |
| import org.apache.ignite.internal.catalog.storage.serialization.CatalogObjectSerializer; |
| import org.apache.ignite.internal.catalog.storage.serialization.MarshallableEntryType; |
| import org.apache.ignite.internal.tostring.S; |
| import org.apache.ignite.internal.util.io.IgniteDataInput; |
| import org.apache.ignite.internal.util.io.IgniteDataOutput; |
| |
| /** |
| * Describes deletion of a zone. |
| */ |
| public class DropZoneEntry implements UpdateEntry, Fireable { |
| public static final CatalogObjectSerializer<DropZoneEntry> SERIALIZER = new DropZoneEntrySerializer(); |
| |
| private final int zoneId; |
| |
| /** |
| * Constructs the object. |
| * |
| * @param zoneId An id of a zone to drop. |
| */ |
| public DropZoneEntry(int zoneId) { |
| this.zoneId = zoneId; |
| } |
| |
| /** Returns an id of a zone to drop. */ |
| public int zoneId() { |
| return zoneId; |
| } |
| |
| @Override |
| public int typeId() { |
| return MarshallableEntryType.DROP_ZONE.id(); |
| } |
| |
| @Override |
| public CatalogEvent eventType() { |
| return CatalogEvent.ZONE_DROP; |
| } |
| |
| @Override |
| public CatalogEventParameters createEventParameters(long causalityToken, int catalogVersion) { |
| return new DropZoneEventParameters(causalityToken, catalogVersion, zoneId); |
| } |
| |
| @Override |
| public Catalog applyUpdate(Catalog catalog, long causalityToken) { |
| return new Catalog( |
| catalog.version(), |
| catalog.time(), |
| catalog.objectIdGenState(), |
| catalog.zones().stream().filter(z -> z.id() != zoneId).collect(toList()), |
| catalog.schemas(), |
| catalog.defaultZone().id() |
| ); |
| } |
| |
| @Override |
| public String toString() { |
| return S.toString(this); |
| } |
| |
| /** |
| * Serializer for {@link DropZoneEntry}. |
| */ |
| private static class DropZoneEntrySerializer implements CatalogObjectSerializer<DropZoneEntry> { |
| @Override |
| public DropZoneEntry readFrom(IgniteDataInput input) throws IOException { |
| int zoneId = input.readInt(); |
| |
| return new DropZoneEntry(zoneId); |
| } |
| |
| @Override |
| public void writeTo(DropZoneEntry entry, IgniteDataOutput output) throws IOException { |
| output.writeInt(entry.zoneId()); |
| } |
| } |
| } |