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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "rangebucketpredef.h"
namespace search {
namespace expression {
IMPLEMENT_EXPRESSIONNODE(RangeBucketPreDefFunctionNode, UnaryFunctionNode);
RangeBucketPreDefFunctionNode::~RangeBucketPreDefFunctionNode() {}
RangeBucketPreDefFunctionNode::RangeBucketPreDefFunctionNode(const RangeBucketPreDefFunctionNode & rhs) :
UnaryFunctionNode(rhs),
_predef(rhs._predef),
_result(NULL),
_nullResult(rhs._nullResult),
_handler()
{
}
RangeBucketPreDefFunctionNode & RangeBucketPreDefFunctionNode::operator = (const RangeBucketPreDefFunctionNode & rhs)
{
if (this != & rhs) {
UnaryFunctionNode::operator = (rhs);
_predef = rhs._predef;
_result = NULL;
_nullResult = rhs._nullResult;
_handler.reset();
}
return *this;
}
void
RangeBucketPreDefFunctionNode::onPrepareResult()
{
// Use the type of the predefined buckets for the null bucket
const ResultNode& resultNode = _predef->empty() ? *getArg().getResult() : _predef->get(0);
_nullResult = &resultNode.getNullBucket();
const vespalib::Identifiable::RuntimeClass & cInfo(getArg().getResult()->getClass());
if (cInfo.inherits(ResultNodeVector::classId)) {
setResultType(ResultNode::UP(_predef->clone()));
static_cast<ResultNodeVector &>(updateResult()).clear();
_handler.reset(new MultiValueHandler(*this));
_result = & updateResult();
} else {
_result = _predef->empty() ? _nullResult : &_predef->get(0);
_handler.reset(new SingleValueHandler(*this));
}
}
bool
RangeBucketPreDefFunctionNode::onExecute() const
{
getArg().execute();
const ResultNode * result = _handler->handle(*getArg().getResult());
_result = result ? result : _nullResult;
return true;
}
const ResultNode * RangeBucketPreDefFunctionNode::SingleValueHandler::handle(const ResultNode & arg)
{
return _predef.find(arg);
}
const ResultNode * RangeBucketPreDefFunctionNode::MultiValueHandler::handle(const ResultNode & arg)
{
const ResultNodeVector & v = static_cast<const ResultNodeVector &>(arg);
_result.clear();
for(size_t i(0), m(v.size()); i < m; i++) {
const ResultNode * bucket = _predef.find(v.get(i));
if (bucket != NULL) {
_result.push_back(*bucket);
} else {
_result.push_back(*_nullResult);
}
}
return &_result;
}
vespalib::Serializer &
RangeBucketPreDefFunctionNode::onSerialize(vespalib::Serializer &os) const
{
UnaryFunctionNode::onSerialize(os);
return os << _predef;
}
vespalib::Deserializer &
RangeBucketPreDefFunctionNode::onDeserialize(vespalib::Deserializer &is)
{
UnaryFunctionNode::onDeserialize(is);
return is >> _predef;
}
void
RangeBucketPreDefFunctionNode::visitMembers(vespalib::ObjectVisitor &visitor) const
{
UnaryFunctionNode::visitMembers(visitor);
visit(visitor, "predefined", _predef);
}
}
}
// this function was added by ../../forcelink.sh
void forcelink_file_searchlib_expression_rangebucketpredef() {}
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