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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.fasterxml.jackson.core.JsonGenerator;
import com.yahoo.slime.Inspector;
import java.io.IOException;
/**
* Contains info relevant for compression and decompression.
*
* @author Ulf Lilleengen
*/
public class CompressionInfo {
private static final String COMPRESSION_TYPE = "compressionType";
private static final String UNCOMPRESSED_SIZE = "uncompressedSize";
public CompressionType getCompressionType() {
return compressionType;
}
public int getUncompressedSize() {
return uncompressedSize;
}
private final CompressionType compressionType;
private final int uncompressedSize;
private CompressionInfo(CompressionType compressionType, int uncompressedSize) {
this.compressionType = compressionType;
this.uncompressedSize = uncompressedSize;
}
public static CompressionInfo uncompressed() {
return new CompressionInfo(CompressionType.UNCOMPRESSED, 0);
}
public static CompressionInfo create(CompressionType type, int uncompressedSize) {
return new CompressionInfo(type, uncompressedSize);
}
public static CompressionInfo fromSlime(Inspector field) {
CompressionType type = CompressionType.parse(field.field(COMPRESSION_TYPE).asString());
int uncompressedSize = (int) field.field(UNCOMPRESSED_SIZE).asLong();
return new CompressionInfo(type, uncompressedSize);
}
public void serialize(JsonGenerator jsonGenerator) throws IOException {
jsonGenerator.writeStringField(COMPRESSION_TYPE, compressionType.name());
jsonGenerator.writeNumberField(UNCOMPRESSED_SIZE, uncompressedSize);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
CompressionInfo that = (CompressionInfo) o;
if (uncompressedSize != that.uncompressedSize) return false;
if (compressionType != that.compressionType) return false;
return true;
}
@Override
public int hashCode() {
int result = compressionType.hashCode();
result = 31 * result + uncompressedSize;
return result;
}
}
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