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 */
017package org.apache.activemq.store.kahadb.disk.journal;
018
019import org.apache.activemq.util.ByteSequence;
020
021import java.io.IOException;
022
023public interface FileAppender {
024    public static final String PROPERTY_LOG_WRITE_STAT_WINDOW = "org.apache.kahadb.journal.appender.WRITE_STAT_WINDOW";
025    public static final int maxStat = Integer.parseInt(System.getProperty(PROPERTY_LOG_WRITE_STAT_WINDOW, "0"));
026
027    Location storeItem(ByteSequence data, byte type, boolean sync) throws IOException;
028
029    Location storeItem(ByteSequence data, byte type, Runnable onComplete) throws IOException;
030
031    void close() throws IOException;
032}