| /* |
| * 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 org.apache.ignite.internal.catalog.commands.CatalogUtils.defaultZoneIdOpt; |
| |
| import java.io.IOException; |
| import org.apache.ignite.internal.catalog.Catalog; |
| 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 update of the object id generator. |
| */ |
| public class ObjectIdGenUpdateEntry implements UpdateEntry { |
| public static final CatalogObjectSerializer<ObjectIdGenUpdateEntry> SERIALIZER = new ObjectIdGenUpdateEntrySerializer(); |
| |
| private final int delta; |
| |
| /** |
| * Constructs the object. |
| * |
| * @param delta A delta by which to correct the id generator. |
| */ |
| public ObjectIdGenUpdateEntry(int delta) { |
| this.delta = delta; |
| } |
| |
| /** Returns delta by which to correct the id generator. */ |
| public int delta() { |
| return delta; |
| } |
| |
| @Override |
| public Catalog applyUpdate(Catalog catalog, long causalityToken) { |
| return new Catalog( |
| catalog.version(), |
| catalog.time(), |
| catalog.objectIdGenState() + delta, |
| catalog.zones(), |
| catalog.schemas(), |
| defaultZoneIdOpt(catalog) |
| ); |
| } |
| |
| @Override |
| public int typeId() { |
| return MarshallableEntryType.ID_GENERATOR.id(); |
| } |
| |
| @Override |
| public String toString() { |
| return S.toString(this); |
| } |
| |
| /** |
| * Serializer for {@link ObjectIdGenUpdateEntry}. |
| */ |
| private static class ObjectIdGenUpdateEntrySerializer implements CatalogObjectSerializer<ObjectIdGenUpdateEntry> { |
| @Override |
| public ObjectIdGenUpdateEntry readFrom(IgniteDataInput input) throws IOException { |
| int delta = input.readInt(); |
| |
| return new ObjectIdGenUpdateEntry(delta); |
| } |
| |
| @Override |
| public void writeTo(ObjectIdGenUpdateEntry entry, IgniteDataOutput output) throws IOException { |
| output.writeInt(entry.delta()); |
| } |
| } |
| } |