| /* |
| * 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.processors.cache.persistence.freelist; |
| |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.IgniteLogger; |
| import org.apache.ignite.internal.processors.cache.persistence.Storable; |
| import org.apache.ignite.internal.processors.cache.persistence.tree.util.PageHandler; |
| |
| /** |
| */ |
| public interface FreeList<T extends Storable> { |
| /** |
| * @param row Row. |
| * @throws IgniteCheckedException If failed. |
| */ |
| public void insertDataRow(T row) throws IgniteCheckedException; |
| |
| /** |
| * @param link Row link. |
| * @param row New row data. |
| * @return {@code True} if was able to update row. |
| * @throws IgniteCheckedException If failed. |
| */ |
| public boolean updateDataRow(long link, T row) throws IgniteCheckedException; |
| |
| /** |
| * @param link Row link. |
| * @param pageHnd Page handler. |
| * @param arg Handler argument. |
| * @param <S> Argument type. |
| * @param <R> Result type. |
| * @return Result. |
| * @throws IgniteCheckedException If failed. |
| */ |
| public <S, R> R updateDataRow(long link, PageHandler<S, R> pageHnd, S arg) throws IgniteCheckedException; |
| |
| /** |
| * @param link Row link. |
| * @throws IgniteCheckedException If failed. |
| */ |
| public void removeDataRowByLink(long link) throws IgniteCheckedException; |
| |
| /** |
| * @param log Logger. |
| */ |
| public void dumpStatistics(IgniteLogger log); |
| } |