Represents an offset range in an array storage. More...

Detailed Description

Represents an offset range in an array storage.

Begin is inclusive, end is exclusive.

Definition at line 62 of file array_id.hpp.

#include <array_id.hpp>

Public Member Functions
	ArrayRange ()

	ArrayRange (ArrayOffset begin, ArrayOffset end)

	ArrayRange (ArrayOffset begin, ArrayOffset end, ArrayOffset array_size)
	this one adjusts the case where end might be larger than the whole array size (right-most) More...

bool	overlaps (const ArrayRange &other) const
	Returns if there is any overlap with the other range. More...

bool	contains (ArrayOffset offset) const

bool	operator== (const ArrayRange &other) const

bool	operator!= (const ArrayRange &other) const

Public Attributes
ArrayOffset	begin_
	Inclusive beginning of the offset range. More...

ArrayOffset	end_
	Exclusive end of the offset range. More...

Constructor & Destructor Documentation

foedus::storage::array::ArrayRange::ArrayRange ( )

inline

Definition at line 63 of file array_id.hpp.

63 : begin_(0), end_(0) {}

foedus::storage::array::ArrayRange::begin_

ArrayOffset begin_

Inclusive beginning of the offset range.

Definition: array_id.hpp:86

foedus::storage::array::ArrayRange::end_

ArrayOffset end_

Exclusive end of the offset range.

Definition: array_id.hpp:88

foedus::storage::array::ArrayRange::ArrayRange	(	ArrayOffset	begin,
		ArrayOffset	end
	)

inline

Definition at line 64 of file array_id.hpp.

64 : begin_(begin), end_(end) {}

foedus::storage::array::ArrayRange::begin_

ArrayOffset begin_

Inclusive beginning of the offset range.

Definition: array_id.hpp:86

foedus::storage::array::ArrayRange::end_

ArrayOffset end_

Exclusive end of the offset range.

Definition: array_id.hpp:88

foedus::storage::array::ArrayRange::ArrayRange	(	ArrayOffset	begin,
		ArrayOffset	end,
		ArrayOffset	array_size
	)

inline

this one adjusts the case where end might be larger than the whole array size (right-most)

Definition at line 66 of file array_id.hpp.

References end_.

     : begin_(begin), end_(end) {
     if (end > array_size) {
       end_ = array_size;
     }
   }

Member Function Documentation

bool foedus::storage::array::ArrayRange::contains ( ArrayOffset offset ) const

inline

Definition at line 79 of file array_id.hpp.

References begin_, and end_.

Referenced by foedus::storage::array::ArrayComposeContext::execute(), foedus::storage::array::ArrayStoragePimpl::locate_record_for_read(), foedus::storage::array::ArrayStoragePimpl::locate_record_for_write(), foedus::storage::array::ArrayStoragePimpl::lookup_for_read(), foedus::storage::array::ArrayStoragePimpl::lookup_for_write(), and overlaps().

79 { return offset >= begin_ && offset < end_; }

foedus::storage::array::ArrayRange::begin_

ArrayOffset begin_

Inclusive beginning of the offset range.

Definition: array_id.hpp:86

foedus::storage::array::ArrayRange::end_

ArrayOffset end_

Exclusive end of the offset range.

Definition: array_id.hpp:88

Here is the caller graph for this function:

bool foedus::storage::array::ArrayRange::operator!= ( const ArrayRange & other ) const

inline

Definition at line 83 of file array_id.hpp.

References operator==().

83 { return !(this->operator==(other)); }

foedus::storage::array::ArrayRange::operator==

bool operator==(const ArrayRange &other) const

Definition: array_id.hpp:80

Here is the call graph for this function:

bool foedus::storage::array::ArrayRange::operator== ( const ArrayRange & other ) const

inline

Definition at line 80 of file array_id.hpp.

References begin_, and end_.

Referenced by operator!=().

                                                     {
     return begin_ == other.begin_ && end_ == other.end_;
   }

Here is the caller graph for this function:

bool foedus::storage::array::ArrayRange::overlaps ( const ArrayRange & other ) const

inline

Returns if there is any overlap with the other range.

Definition at line 74 of file array_id.hpp.

References begin_, contains(), and end_.

Referenced by foedus::storage::array::ArrayStoragePimpl::prefetch_pages_recurse().

                                                   {
     // Case 1: contains(other.begin) or contains(other.end)
     // Case 2: not case 1, but other.contains(begin)
     return contains(other.begin_) || contains(other.end_) || other.contains(begin_);
   }