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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.protocol;
import com.yahoo.vespa.config.PayloadChecksum;
import com.yahoo.vespa.config.PayloadChecksums;
import com.yahoo.text.AbstractUtf8Array;
import java.io.IOException;
import java.io.OutputStream;
/**
* A config response encapsulates the payload and some meta information. This makes it possible to
* represent the payload in different formats all up to when rendering it to the client. A subclass
* of this must be thread safe, because a response may be cached and, the methods below should be callable
* from multiple request handler threads.
*
* @author Ulf Lilleengen
*/
public interface ConfigResponse {
AbstractUtf8Array getPayload();
long getGeneration();
boolean applyOnRestart();
void serialize(OutputStream os, CompressionType uncompressed) throws IOException;
default boolean hasNewerGeneration(JRTServerConfigRequest request) {
return (getGeneration() > request.getRequestGeneration());
}
CompressionInfo getCompressionInfo();
PayloadChecksums getPayloadChecksums();
}
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