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    }