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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.text.AbstractUtf8Array;
import com.yahoo.vespa.config.ConfigPayload;
import com.yahoo.vespa.config.PayloadChecksums;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.ByteBuffer;
/**
* Class for serializing config responses based on {@link com.yahoo.slime.Slime} implementing the {@link ConfigResponse} interface.
*
* @author Ulf Lilleengen
*/
public class SlimeConfigResponse implements ConfigResponse {
private final AbstractUtf8Array payload;
private final CompressionInfo compressionInfo;
private final long generation;
private final boolean applyOnRestart;
private final PayloadChecksums payloadChecksums;
public static SlimeConfigResponse fromConfigPayload(ConfigPayload payload,
long generation,
boolean applyOnRestart,
PayloadChecksums payloadChecksums) {
AbstractUtf8Array data = payload.toUtf8Array(true);
return new SlimeConfigResponse(data,
generation,
applyOnRestart,
payloadChecksums,
CompressionInfo.create(CompressionType.UNCOMPRESSED, data.getByteLength()));
}
public SlimeConfigResponse(AbstractUtf8Array payload,
long generation,
boolean applyOnRestart,
PayloadChecksums payloadChecksums,
CompressionInfo compressionInfo) {
this.payload = payload;
this.generation = generation;
this.applyOnRestart = applyOnRestart;
this.payloadChecksums = payloadChecksums;
this.compressionInfo = compressionInfo;
}
@Override
public AbstractUtf8Array getPayload() {
return payload;
}
@Override
public long getGeneration() {
return generation;
}
@Override
public boolean applyOnRestart() { return applyOnRestart; }
@Override
public void serialize(OutputStream os, CompressionType type) throws IOException {
ByteBuffer buf = Payload.from(payload, compressionInfo).withCompression(type).getData().wrap();
os.write(buf.array(), buf.arrayOffset()+buf.position(), buf.remaining());
}
@Override
public String toString() {
return "generation=" + generation + "\n" +
"checksums=" + payloadChecksums + "\n" +
Payload.from(payload, compressionInfo).withCompression(CompressionType.UNCOMPRESSED);
}
@Override
public CompressionInfo getCompressionInfo() { return compressionInfo; }
@Override
public PayloadChecksums getPayloadChecksums() { return payloadChecksums; }
}
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