| /* |
| * 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 static org.apache.ignite.internal.catalog.commands.CatalogUtils.schemaOrThrow; |
| |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.Map; |
| import java.util.function.Function; |
| import java.util.stream.Collectors; |
| import org.apache.ignite.internal.catalog.Catalog; |
| import org.apache.ignite.internal.catalog.commands.CatalogUtils; |
| import org.apache.ignite.internal.catalog.descriptors.CatalogSchemaDescriptor; |
| import org.apache.ignite.internal.catalog.descriptors.CatalogSystemViewDescriptor; |
| import org.apache.ignite.internal.catalog.events.CatalogEvent; |
| import org.apache.ignite.internal.catalog.events.CatalogEventParameters; |
| import org.apache.ignite.internal.catalog.events.CreateSystemViewEventParameters; |
| 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 addition of a new system view. |
| */ |
| public class NewSystemViewEntry implements UpdateEntry, Fireable { |
| public static final CatalogObjectSerializer<NewSystemViewEntry> SERIALIZER = new NewSystemViewEntrySerializer(); |
| |
| private final CatalogSystemViewDescriptor descriptor; |
| |
| /** |
| * Constructor. |
| * |
| * @param descriptor System view descriptor. |
| */ |
| public NewSystemViewEntry(CatalogSystemViewDescriptor descriptor) { |
| this.descriptor = descriptor; |
| } |
| |
| @Override |
| public int typeId() { |
| return MarshallableEntryType.NEW_SYS_VIEW.id(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public CatalogEvent eventType() { |
| return CatalogEvent.SYSTEM_VIEW_CREATE; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public CatalogEventParameters createEventParameters(long causalityToken, int catalogVersion) { |
| return new CreateSystemViewEventParameters(causalityToken, catalogVersion, descriptor); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public Catalog applyUpdate(Catalog catalog, long causalityToken) { |
| CatalogSchemaDescriptor systemSchema = schemaOrThrow(catalog, descriptor.schemaId()); |
| |
| descriptor.updateToken(causalityToken); |
| |
| Map<String, CatalogSystemViewDescriptor> systemViews = Arrays.stream(systemSchema.systemViews()) |
| .collect(Collectors.toMap(CatalogSystemViewDescriptor::name, Function.identity())); |
| systemViews.put(descriptor.name(), descriptor); |
| |
| CatalogSystemViewDescriptor[] sysViewArray = systemViews.values().toArray(new CatalogSystemViewDescriptor[0]); |
| |
| CatalogSchemaDescriptor newSystemSchema = new CatalogSchemaDescriptor( |
| systemSchema.id(), |
| systemSchema.name(), |
| systemSchema.tables(), |
| systemSchema.indexes(), |
| sysViewArray, |
| causalityToken); |
| |
| return new Catalog( |
| catalog.version(), |
| catalog.time(), |
| catalog.objectIdGenState(), |
| catalog.zones(), |
| CatalogUtils.replaceSchema(newSystemSchema, catalog.schemas()), |
| defaultZoneIdOpt(catalog) |
| ); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String toString() { |
| return S.toString(this); |
| } |
| |
| /** |
| * Serializer for {@link NewSystemViewEntry}. |
| */ |
| private static class NewSystemViewEntrySerializer implements CatalogObjectSerializer<NewSystemViewEntry> { |
| @Override |
| public NewSystemViewEntry readFrom(IgniteDataInput input) throws IOException { |
| CatalogSystemViewDescriptor descriptor = CatalogSystemViewDescriptor.SERIALIZER.readFrom(input); |
| |
| return new NewSystemViewEntry(descriptor); |
| } |
| |
| @Override |
| public void writeTo(NewSystemViewEntry entry, IgniteDataOutput output) throws IOException { |
| CatalogSystemViewDescriptor.SERIALIZER.writeTo(entry.descriptor, output); |
| } |
| } |
| } |