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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.dispatch;
import com.yahoo.fs4.BasicPacket;
import com.yahoo.fs4.ChannelTimeoutException;
import com.yahoo.fs4.mplex.Backend;
import com.yahoo.fs4.mplex.FS4Channel;
import com.yahoo.fs4.mplex.InvalidChannelException;
import com.yahoo.search.Query;
import java.io.Closeable;
import java.io.IOException;
import java.util.Optional;
/**
* @author ollivir
*/
public class CloseableChannel implements Closeable {
private FS4Channel channel;
private final Optional<Integer> distributionKey;
public CloseableChannel(Backend backend) {
this(backend, Optional.empty());
}
public CloseableChannel(Backend backend, Optional<Integer> distributionKey) {
this.channel = backend.openChannel();
this.distributionKey = distributionKey;
}
public void setQuery(Query query) {
channel.setQuery(query);
}
public boolean sendPacket(BasicPacket packet) throws InvalidChannelException, IOException {
return channel.sendPacket(packet);
}
public BasicPacket[] receivePackets(long timeout, int packetCount) throws InvalidChannelException, ChannelTimeoutException {
return channel.receivePackets(timeout, packetCount);
}
public Optional<Integer> distributionKey() {
return distributionKey;
}
@Override
public void close() {
if (channel != null) {
channel.close();
channel = null;
}
}
}
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