| /* |
| * 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 java.io.IOException; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Objects; |
| import org.apache.ignite.internal.catalog.Catalog; |
| import org.apache.ignite.internal.catalog.descriptors.CatalogSchemaDescriptor; |
| import org.apache.ignite.internal.catalog.descriptors.CatalogZoneDescriptor; |
| import org.apache.ignite.internal.catalog.storage.serialization.CatalogObjectSerializer; |
| import org.apache.ignite.internal.catalog.storage.serialization.CatalogSerializationUtils; |
| 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; |
| |
| /** |
| * A catalog snapshot entry. |
| */ |
| public class SnapshotEntry implements UpdateLogEvent { |
| public static final CatalogObjectSerializer<SnapshotEntry> SERIALIZER = new SnapshotEntrySerializer(); |
| |
| private final int version; |
| private final long activationTime; |
| private final int objectIdGenState; |
| private final CatalogZoneDescriptor[] zones; |
| private final CatalogSchemaDescriptor[] schemas; |
| private final int defaultZoneId; |
| |
| /** |
| * Constructs the object. |
| * |
| * @param catalog Catalog instance. |
| */ |
| public SnapshotEntry(Catalog catalog) { |
| this(catalog.version(), catalog.time(), catalog.objectIdGenState(), catalog.zones().toArray(CatalogZoneDescriptor[]::new), |
| catalog.schemas().toArray(CatalogSchemaDescriptor[]::new), catalog.defaultZone().id()); |
| } |
| |
| /** |
| * Constructs the object. |
| */ |
| private SnapshotEntry( |
| int version, |
| long activationTime, |
| int objectIdGenState, |
| CatalogZoneDescriptor[] zones, |
| CatalogSchemaDescriptor[] schemas, |
| int defaultZoneId |
| ) { |
| this.version = version; |
| this.activationTime = activationTime; |
| this.objectIdGenState = objectIdGenState; |
| this.zones = zones; |
| this.schemas = schemas; |
| this.defaultZoneId = defaultZoneId; |
| } |
| |
| /** |
| * Returns catalog snapshot version. |
| */ |
| public int version() { |
| return version; |
| } |
| |
| /** |
| * Returns catalog snapshot. |
| */ |
| public Catalog snapshot() { |
| return new Catalog( |
| version, |
| activationTime, |
| objectIdGenState, |
| List.of(zones), |
| List.of(schemas), |
| defaultZoneId |
| ); |
| } |
| |
| @Override |
| public int typeId() { |
| return MarshallableEntryType.SNAPSHOT.id(); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| SnapshotEntry that = (SnapshotEntry) o; |
| return version == that.version && activationTime == that.activationTime && objectIdGenState == that.objectIdGenState |
| && Arrays.equals(zones, that.zones) && Arrays.equals(schemas, that.schemas); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(version); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String toString() { |
| return S.toString(this); |
| } |
| |
| /** Serializer for {@link SnapshotEntry}. */ |
| private static class SnapshotEntrySerializer implements CatalogObjectSerializer<SnapshotEntry> { |
| @Override |
| public SnapshotEntry readFrom(IgniteDataInput input) throws IOException { |
| int catalogVersion = input.readInt(); |
| long activationTime = input.readLong(); |
| int objectIdGenState = input.readInt(); |
| |
| CatalogZoneDescriptor[] zones = |
| CatalogSerializationUtils.readArray(CatalogZoneDescriptor.SERIALIZER, input, CatalogZoneDescriptor.class); |
| |
| CatalogSchemaDescriptor[] schemas = |
| CatalogSerializationUtils.readArray(CatalogSchemaDescriptor.SERIALIZER, input, CatalogSchemaDescriptor.class); |
| |
| int defaultZoneId = input.readInt(); |
| |
| return new SnapshotEntry(catalogVersion, activationTime, objectIdGenState, zones, schemas, defaultZoneId); |
| } |
| |
| @Override |
| public void writeTo(SnapshotEntry entry, IgniteDataOutput output) throws IOException { |
| output.writeInt(entry.version); |
| output.writeLong(entry.activationTime); |
| output.writeInt(entry.objectIdGenState); |
| |
| CatalogSerializationUtils.writeArray(entry.zones, CatalogZoneDescriptor.SERIALIZER, output); |
| CatalogSerializationUtils.writeArray(entry.schemas, CatalogSchemaDescriptor.SERIALIZER, output); |
| |
| output.writeInt(entry.defaultZoneId); |
| } |
| } |
| } |