// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.

#include "clearvalueupdate.h"
#include <vespa/vespalib/util/xmlstream.h>
#include <ostream>

using namespace vespalib::xml;

namespace document {

bool
ClearValueUpdate::operator==(const ValueUpdate& other) const
{
    return (other.getType() == Clear);
}

// Ensure that this update is compatible with given field.
void
ClearValueUpdate::checkCompatibility(const Field&) const
{
}

// Apply this update to the given document.
bool
ClearValueUpdate::applyTo(FieldValue& ) const
{
    return false;
}

void
ClearValueUpdate::printXml(XmlOutputStream& xos) const
{
    xos << XmlTag("clear") << XmlEndTag();
}

// Print this update in human readable form.
void
ClearValueUpdate::print(std::ostream& out, bool, const std::string&) const
{
    out << "ClearValueUpdate()";
}

// Deserialize this update from the given buffer.
void
ClearValueUpdate::deserialize(const DocumentTypeRepo&, const DataType&, nbostream &)
{
}

}