kafka TransferableRecords 源码
kafka TransferableRecords 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/record/TransferableRecords.java
/*
* 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.kafka.common.record;
import org.apache.kafka.common.network.TransferableChannel;
import java.io.IOException;
/**
* Represents a record set which can be transferred to a channel
* @see Records
* @see UnalignedRecords
*/
public interface TransferableRecords extends BaseRecords {
/**
* Attempts to write the contents of this buffer to a channel.
* @param channel The channel to write to
* @param position The position in the buffer to write from
* @param length The number of bytes to write
* @return The number of bytes actually written
* @throws IOException For any IO errors
*/
long writeTo(TransferableChannel channel, long position, int length) throws IOException;
}
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