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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "expressionnode.h"
#include <vespa/vespalib/objects/objectoperation.h>
#include <vespa/vespalib/objects/objectpredicate.h>
namespace document {
class DocumentType;
class Document;
}
namespace search::expression {
class DocumentAccessorNode : public ExpressionNode
{
public:
DECLARE_ABSTRACT_EXPRESSIONNODE(DocumentAccessorNode);
class Configure : public vespalib::ObjectOperation, public vespalib::ObjectPredicate
{
public:
Configure(const document::DocumentType & documentType) : _docType(documentType) { }
private:
void execute(vespalib::Identifiable &obj) override { static_cast<DocumentAccessorNode &>(obj).setDocType(_docType); }
bool check(const vespalib::Identifiable &obj) const override { return obj.inherits(DocumentAccessorNode::classId); }
const document::DocumentType & _docType;
};
void setDoc(const document::Document & doc) { onDoc(doc); }
void setDocType(const document::DocumentType & docType) { onDocType(docType); }
virtual const vespalib::string & getFieldName() const { return _S_docId; }
private:
virtual void onDoc(const document::Document & doc) = 0;
virtual void onDocType(const document::DocumentType & docType) = 0;
static const vespalib::string _S_docId;
};
}
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