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LSST Data Management Base Package
Public Member Functions | Static Public Attributes | List of all members
lsst::afw::table::KeyBase< Array< U > > Class Template Reference

KeyBase specialization for Arrays. More...

#include <KeyBase.h>

Public Member Functions

std::vector< U > extractVector (BaseRecord const &record) const
 
void assignVector (BaseRecord &record, std::vector< U > const &values) const
 
Key< U > operator[] (std::size_t i) const
 Return a subfield key for the i-th element of the array. More...
 
Key< Array< U > > slice (std::size_t begin, std::size_t end) const
 Return a key for a range of elements. More...
 

Static Public Attributes

static bool const HAS_NAMED_SUBFIELDS = false
 

Detailed Description

template<typename U>
class lsst::afw::table::KeyBase< Array< U > >

KeyBase specialization for Arrays.

Definition at line 27 of file KeyBase.h.

Member Function Documentation

◆ assignVector()

template<typename U >
void lsst::afw::table::KeyBase< Array< U > >::assignVector ( BaseRecord record,
std::vector< U > const &  values 
) const

Definition at line 29 of file KeyBase.cc.

29  {
30  Key<Array<U>> const *self = static_cast<Key<Array<U>> const *>(this);
31  std::copy(values.begin(), values.end(), record[*self].begin());
32 }
T begin(T... args)
T copy(T... args)
T end(T... args)

◆ extractVector()

template<typename U >
std::vector< U > lsst::afw::table::KeyBase< Array< U > >::extractVector ( BaseRecord const &  record) const

Definition at line 20 of file KeyBase.cc.

20  {
21  Key<Array<U>> const *self = static_cast<Key<Array<U>> const *>(this);
22  std::vector<U> result(self->getSize());
23  typename Key<Array<U>>::ConstReference array = record[*self];
24  std::copy(array.begin(), array.end(), result.begin());
25  return result;
26 }
py::object result
Definition: _schema.cc:429

◆ operator[]()

template<typename U >
Key< U > lsst::afw::table::KeyBase< Array< U > >::operator[] ( std::size_t  i) const

Return a subfield key for the i-th element of the array.

Definition at line 35 of file KeyBase.cc.

35  {
36  Key<Array<U>> const *self = static_cast<Key<Array<U>> const *>(this);
37  if (self->isVariableLength()) {
39  "Cannot get Keys to elements of variable-length arrays.");
40  }
41  if (i >= self->getSize()) {
42  throw LSST_EXCEPT(lsst::pex::exceptions::LengthError, "Array key index out of range.");
43  }
44  return detail::Access::extractElement(*this, i);
45 }
#define LSST_EXCEPT(type,...)
Create an exception with a given type.
Definition: Exception.h:48
static Key< typename Key< T >::Element > extractElement(KeyBase< T > const &kb, std::size_t n)
Definition: Access.h:35
Reports attempts to exceed implementation-defined length limits for some classes.
Definition: Runtime.h:76
Reports errors in the logical structure of the program.
Definition: Runtime.h:46

◆ slice()

template<typename U >
Key< Array< U > > lsst::afw::table::KeyBase< Array< U > >::slice ( std::size_t  begin,
std::size_t  end 
) const

Return a key for a range of elements.

Definition at line 48 of file KeyBase.cc.

48  {
49  Key<Array<U>> const *self = static_cast<Key<Array<U>> const *>(this);
50  if (self->isVariableLength()) {
52  "Cannot get Keys to slices of variable-length arrays.");
53  }
54  if (begin > self->getSize()) {
55  throw LSST_EXCEPT(lsst::pex::exceptions::LengthError, "Array key begin index out of range.");
56  }
57  if (end > self->getSize()) {
58  throw LSST_EXCEPT(lsst::pex::exceptions::LengthError, "Array key end index out of range.");
59  }
60  return detail::Access::extractRange(*this, begin, end);
61 }
int end
static Key< Array< T > > extractRange(KeyBase< Array< T > > const &kb, std::size_t begin, std::size_t end)
Definition: Access.h:51

Member Data Documentation

◆ HAS_NAMED_SUBFIELDS

template<typename U >
bool const lsst::afw::table::KeyBase< Array< U > >::HAS_NAMED_SUBFIELDS = false
static

Definition at line 29 of file KeyBase.h.


The documentation for this class was generated from the following files: