ibessonov commented on a change in pull request #566: URL: https://github.com/apache/ignite-3/pull/566#discussion_r789560540
########## File path: modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/PageIdAllocator.java ########## @@ -0,0 +1,62 @@ +/* + * 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.pagememory; + +import org.apache.ignite.lang.IgniteInternalCheckedException; + +/** + * Allocates page ID's. + */ +public interface PageIdAllocator { + /** + * Flag for a Data page. Also used by partition meta and tracking pages. This type doesn't use the Page ID rotation mechanism. + */ + public static final byte FLAG_DATA = 1; + + /** + * Flag for an internal structure page. This type uses the Page ID rotation mechanism. + */ + public static final byte FLAG_AUX = 2; + + /** + * Max partition ID that can be used by affinity. Review comment: This constant will have to be moved to other place, let's ignore it for now. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
