001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.activemq.kaha.impl; 018 019 import java.io.IOException; 020 021 import org.apache.activemq.kaha.Marshaller; 022 import org.apache.activemq.kaha.StoreLocation; 023 import org.apache.activemq.kaha.impl.data.RedoListener; 024 025 public interface DataManager { 026 027 String getName(); 028 029 Object readItem(Marshaller marshaller, StoreLocation item) throws IOException; 030 031 StoreLocation storeDataItem(Marshaller marshaller, Object payload) throws IOException; 032 033 StoreLocation storeRedoItem(Object payload) throws IOException; 034 035 void updateItem(StoreLocation location, Marshaller marshaller, Object payload) throws IOException; 036 037 void recoverRedoItems(RedoListener listener) throws IOException; 038 039 void close() throws IOException; 040 041 void force() throws IOException; 042 043 boolean delete() throws IOException; 044 045 void addInterestInFile(int file) throws IOException; 046 047 void removeInterestInFile(int file) throws IOException; 048 049 void consolidateDataFiles() throws IOException; 050 051 Marshaller getRedoMarshaller(); 052 053 void setRedoMarshaller(Marshaller redoMarshaller); 054 055 }