kafka Send 源码
kafka Send 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/network/Send.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.network;
import java.io.IOException;
/**
* This interface models the in-progress sending of data.
*/
public interface Send {
/**
* Is this send complete?
*/
boolean completed();
/**
* Write some as-yet unwritten bytes from this send to the provided channel. It may take multiple calls for the send
* to be completely written
* @param channel The Channel to write to
* @return The number of bytes written
* @throws IOException If the write fails
*/
long writeTo(TransferableChannel channel) throws IOException;
/**
* Size of the send
*/
long size();
}
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