/*
* Copyright (C) 2015 SoftIndex LLC.
*
* Licensed 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 io.datakernel.logfs;
import io.datakernel.async.CompletionCallback;
import io.datakernel.async.ResultCallback;
import io.datakernel.bytebuf.ByteBuf;
import io.datakernel.stream.StreamConsumer;
import io.datakernel.stream.StreamProducer;
import java.util.List;
/**
* Represents a file system where logs are persisted.
*/
public interface LogFileSystem {
void makeUniqueLogFile(String logPartition, String logName, ResultCallback<LogFile> callback);
void list(String logPartition, ResultCallback<List<LogFile>> callback);
void read(String logPartition, LogFile logFile, long startPosition, StreamConsumer<ByteBuf> consumer);
void write(String logPartition, LogFile logFile, StreamProducer<ByteBuf> producer, CompletionCallback callback);
}