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NCBI C++ ToolKit: Generic Cache

template<class Key , class Value , class Less = less<Key>>

Definition at line 55 of file limited_size_map.hpp.

◆ mapped_type

template<class Key , class Value , class Less = less<Key>>

Definition at line 56 of file limited_size_map.hpp.

◆ TAddFlags

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

◆ TCacheElement

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 158 of file ncbi_cache.hpp.

◆ TCacheLess

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 272 of file ncbi_cache.hpp.

◆ TCacheLock_Default ◆ TCacheMap

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 275 of file ncbi_cache.hpp.

◆ TCacheMap_I

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 276 of file ncbi_cache.hpp.

◆ TCacheSet

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 273 of file ncbi_cache.hpp.

◆ TCacheSet_I

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 274 of file ncbi_cache.hpp.

◆ TGetFlags

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

◆ TGuardType

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 278 of file ncbi_cache.hpp.

◆ THandlerType

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 279 of file ncbi_cache.hpp.

◆ TKeyType [1/2]

template<class TKey , class TSize >

Definition at line 64 of file ncbi_cache.hpp.

◆ TKeyType [2/2]

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 155 of file ncbi_cache.hpp.

◆ TLess

template<class Key , class Value , class Less = less<Key>>

Definition at line 62 of file limited_size_map.hpp.

◆ TLockType

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 277 of file ncbi_cache.hpp.

◆ TMap

template<class Key , class Value , class Less = less<Key>>

Definition at line 63 of file limited_size_map.hpp.

◆ TMapConstIterator

template<class Key , class Value , class Less = less<Key>>

Definition at line 65 of file limited_size_map.hpp.

◆ TMapIterator

template<class Key , class Value , class Less = less<Key>>

Definition at line 64 of file limited_size_map.hpp.

◆ TOrder

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 160 of file ncbi_cache.hpp.

◆ TRemoveList

template<class Key , class Value , class Less = less<Key>>

Definition at line 66 of file limited_size_map.hpp.

◆ TRemoveListIterator

template<class Key , class Value , class Less = less<Key>>

Definition at line 67 of file limited_size_map.hpp.

◆ TSizeType [1/2]

template<class TKey , class TSize >

Definition at line 65 of file ncbi_cache.hpp.

◆ TSizeType [2/2]

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 157 of file ncbi_cache.hpp.

◆ TValueType

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 156 of file ncbi_cache.hpp.

◆ TWeight

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 159 of file ncbi_cache.hpp.

◆ value_type

template<class Key , class Value , class Less = less<Key>>

Definition at line 57 of file limited_size_map.hpp.

◆ EAddFlags

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Flags to control the details of adding new elements to the cache via Add().

See also: Add()

Enumerator fAdd_NoReplace

Do not replace existing values if any.

Definition at line 193 of file ncbi_cache.hpp.

◆ EAddResult

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Result of element insertion.

Enumerator eAdd_Inserted

The element was added to the cache.

eAdd_Replaced

The element existed and was replaced.

eAdd_NotInserted

The element was not added or replaced.

Definition at line 199 of file ncbi_cache.hpp.

◆ ECache_InsertFlag

Flag indicating if an element can be inserted into cache.

Enumerator eCache_CheckSize

Insert the element after checking max cache size.

eCache_CanInsert

The element can be inserted.

eCache_NeedCleanup

Need to cleanup cache before inserting the element.

eCache_DoNotCache

The element can not be inserted (e.g. too big)

Definition at line 96 of file ncbi_cache.hpp.

◆ EErrCode Enumerator eIndexOverflow

Element index overflow.

eWeightOverflow

Element weight overflow.

eNotFound

The requested key was not found in the cache.

eOtherError

Definition at line 307 of file ncbi_cache.hpp.

◆ EGetFlags

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Cache retrieval flags.

Enumerator fGet_NoTouch

Do not update the object's position.

fGet_NoCreate

Do not create value if not found, throw an exception instead.

fGet_NoInsert

Do not insert created values.

Definition at line 226 of file ncbi_cache.hpp.

◆ EGetResult

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Get() result.

Enumerator eGet_Found

The key was found in the cache.

eGet_CreatedAndAdded

A new value was created and cached.

eGet_CreatedNotAdded

A new value was created but not cached.

Definition at line 235 of file ncbi_cache.hpp.

◆ Add()

template<class TKey , class TValue , class THandler , class TLock , class TSize >

CCache< TKey, TValue, THandler, TLock, TSize >::TOrder CCache< TKey, TValue, THandler, TLock, TSize >::Add ( const TKeyType & key, const TValueType & value, TWeight weight = 1, TAddFlags add_flags = 0, EAddResult * result = NULL )

Add new element to the cache or replace the existing value.

Parameters: key Element key value Element value weight Weight adjustment. The lifetime of each object in the cache is proportional to its weight. add_flags Flags to control Add() behavior. result Pointer to a variable to store operation result code to.

Returns: Index of the new element in the cache.

Definition at line 507 of file ncbi_cache.hpp.

References _ASSERT, eCache_CanInsert, eCache_CheckSize, eCache_DoNotCache, eCache_NeedCleanup, ncbi::grid::netcache::search::fields::key, CCache< TKey, TValue, THandler, TLock, TSize >::SValueWithIndex::m_CacheElement, SCacheElement< TKey, TSize >::m_Order, CCache< TKey, TValue, THandler, TLock, TSize >::SValueWithIndex::m_Value, result, rapidjson::value, and weight.

Referenced by CSeqVectorCache::PrefetchSequence().

◆ begin() [1/2] ◆ begin() [2/2] ◆ CanInsertElement()

template<class TKey , class TValue >

◆ CCache() [1/2]

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

◆ CCache() [2/2]

template<class TKey , class TValue , class THandler , class TLock , class TSize >

◆ clear() ◆ const_iterator() [1/3]

template<class Key , class Value , class Less = less<Key>>

◆ const_iterator() [2/3] ◆ const_iterator() [3/3] ◆ CreateValue()

template<class TKey , class TValue >

Element factory – to create elements by key.

This gets called when there is no element matching the key in the cache

See also: CCache::Get()

Definition at line 129 of file ncbi_cache.hpp.

◆ empty() ◆ end() [1/2]

template<class Key , class Value , class Less = less<Key>>

◆ end() [2/2] ◆ erase() ◆ find() [1/2]

template<class Key , class Value , class Less = less<Key>>

◆ find() [2/2] ◆ Get()

template<class TKey , class TValue , class THandler , class TLock , class TSize >

CCache< TKey, TValue, THandler, TLock, TSize >::TValueType CCache< TKey, TValue, THandler, TLock, TSize >::Get ( const TKeyType & key, TGetFlags get_flags = 0, EGetResult * result = NULL ) ◆ get_size_limit()

template<class Key , class Value , class Less = less<Key>>

◆ GetCapacity()

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

TSizeType CCache< TKey, TValue, THandler, TLock, TSize >::GetCapacity ( void ) const inline

Get current capacity of the cache (max allowed number of elements)

Definition at line 172 of file ncbi_cache.hpp.

◆ GetErrCodeString() const char * CCacheException::GetErrCodeString ( void ) const overridevirtual ◆ GetSize()

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

TSizeType CCache< TKey, TValue, THandler, TLock, TSize >::GetSize ( void ) const inline

Get current number of elements in the cache.

Definition at line 181 of file ncbi_cache.hpp.

◆ insert()

template<class Key , class Value , class Less = less<Key>>

◆ InsertElement()

template<class TKey , class TValue >

Special processing of an element to be inserted (e.g.

count total memory used by the cached objects)

NOTE: This method is called *before* the element is actually added to the cache.

Definition at line 117 of file ncbi_cache.hpp.

◆ iterator() [1/2]

template<class Key , class Value , class Less = less<Key>>

◆ iterator() [2/2] ◆ limited_size_map() ◆ lower_bound() [1/2] ◆ lower_bound() [2/2] ◆ NCBI_EXCEPTION_DEFAULT() ◆ operator!=() [1/2] ◆ operator!=() [2/2] ◆ operator()() [1/2]

template<class Key , class Value , class Less = less<Key>>

Definition at line 92 of file limited_size_map.hpp.

◆ operator()() [2/2]

template<class TCacheElementPtr >

◆ operator*() [1/2] ◆ operator*() [2/2] ◆ operator++() [1/4] ◆ operator++() [2/4] ◆ operator++() [3/4] ◆ operator++() [4/4] ◆ operator--() [1/4] ◆ operator--() [2/4] ◆ operator--() [3/4] ◆ operator--() [4/4] ◆ operator->() [1/2] ◆ operator->() [2/2] ◆ operator=()

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

CCache& CCache< TKey, TValue, THandler, TLock, TSize >::operator= ( const CCache< TKey, TValue, THandler, TLock, TSize > & ) private ◆ operator==() [1/2] ◆ operator==() [2/2] ◆ operator[]() [1/2] ◆ operator[]() [2/2]

template<class TKey , class TValue , class THandler , class TLock , class TSize >

◆ Remove()

template<class TKey , class TValue , class THandler , class TLock , class TSize >

◆ RemoveElement()

template<class TKey , class TValue >

Special processing of a removed element (e.g. deleting the object)

Definition at line 110 of file ncbi_cache.hpp.

◆ SCacheElement() [1/2]

template<class TKey , class TSize >

Definition at line 68 of file ncbi_cache.hpp.

◆ SCacheElement() [2/2]

template<class TKey , class TSize >

Definition at line 67 of file ncbi_cache.hpp.

◆ set_size_limit()

template<class Key , class Value , class Less = less<Key>>

◆ SetCapacity()

template<class TKey , class TValue , class THandler , class TLock , class TSize >

void CCache< TKey, TValue, THandler, TLock, TSize >::SetCapacity ( TSizeType new_capacity )

Set new capacity of the cache.

The number of elements in the cache may be reduced to match the new capacity.

Parameters: new_capacity new cache capacity, must be > 0.

Definition at line 646 of file ncbi_cache.hpp.

References NCBI_THROW.

◆ SetSize()

template<class TKey , class TValue , class THandler , class TLock , class TSize >

void CCache< TKey, TValue, THandler, TLock, TSize >::SetSize ( TSizeType new_size )

Truncate the cache leaving at most new_size elements.

Does not affect cache capacity. If new_size is zero all elements will be removed.

Definition at line 661 of file ncbi_cache.hpp.

◆ size()

template<class Key , class Value , class Less = less<Key>>

◆ SLess() [1/2]

template<class Key , class Value , class Less = less<Key>>

Definition at line 85 of file limited_size_map.hpp.

◆ SLess() [2/2]

template<class Key , class Value , class Less = less<Key>>

Definition at line 88 of file limited_size_map.hpp.

◆ SNode() [1/3]

template<class Key , class Value , class Less = less<Key>>

Definition at line 77 of file limited_size_map.hpp.

◆ SNode() [2/3]

template<class Key , class Value , class Less = less<Key>>

Definition at line 73 of file limited_size_map.hpp.

◆ SNode() [3/3]

template<class Key , class Value , class Less = less<Key>>

Definition at line 69 of file limited_size_map.hpp.

◆ upper_bound() [1/2] ◆ upper_bound() [2/2] ◆ x_EraseElement()

template<class TKey , class TValue , class THandler , class TLock , class TSize >

◆ x_EraseLast()

template<class TKey , class TValue , class THandler , class TLock , class TSize >

void CCache< TKey, TValue, THandler, TLock, TSize >::x_EraseLast ( void ) private ◆ x_GC()

template<class Key , class Value , class Less = less<Key>>

◆ x_GetBaseWeight()

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

TWeight CCache< TKey, TValue, THandler, TLock, TSize >::x_GetBaseWeight ( void ) const inlineprivate

Definition at line 289 of file ncbi_cache.hpp.

◆ x_GetNextCounter()

template<class TKey , class TValue , class THandler , class TLock , class TSize >

CCache< TKey, TValue, THandler, TLock, TSize >::TOrder CCache< TKey, TValue, THandler, TLock, TSize >::x_GetNextCounter ( void ) private

Definition at line 420 of file ncbi_cache.hpp.

◆ x_GetNode()

template<class Key , class Value , class Less = less<Key>>

◆ x_InsertElement()

template<class TKey , class TValue , class THandler , class TLock , class TSize >

◆ x_MarkAdded()

template<class Key , class Value , class Less = less<Key>>

◆ x_MarkUsed()

template<class Key , class Value , class Less = less<Key>>

◆ x_PackElementIndex()

template<class TKey , class TValue , class THandler , class TLock , class TSize >

void CCache< TKey, TValue, THandler, TLock, TSize >::x_PackElementIndex ( void ) private ◆ x_UpdateElement()

template<class TKey , class TValue , class THandler , class TLock , class TSize >

◆ ~CCache()

template<class TKey , class TValue , class THandler , class TLock , class TSize >

CCache< TKey, TValue, THandler, TLock, TSize >::~CCache ( void ) ◆ m_CacheElement

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

◆ m_CacheMap

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 297 of file ncbi_cache.hpp.

◆ m_CacheSet

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

◆ m_Capacity

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

◆ m_Counter

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

TOrder CCache< TKey, TValue, THandler, TLock, TSize >::m_Counter private

Definition at line 298 of file ncbi_cache.hpp.

◆ m_Handler

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

◆ m_Iter [1/2]

template<class Key , class Value , class Less = less<Key>>

◆ m_Iter [2/2]

template<class Key , class Value , class Less = less<Key>>

◆ m_Key

template<class TKey , class TSize >

Definition at line 73 of file ncbi_cache.hpp.

◆ m_KeyComp

template<class Key , class Value , class Less = less<Key>>

◆ m_Lock

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

Definition at line 294 of file ncbi_cache.hpp.

◆ m_Map

template<class Key , class Value , class Less = less<Key>>

Definition at line 96 of file limited_size_map.hpp.

◆ m_Order

template<class TKey , class TSize >

Definition at line 75 of file ncbi_cache.hpp.

Referenced by CCache< TKey, TValue, THandler, TLock, TSize >::Add(), CCache< TKey, TValue, THandler, TLock, TSize >::x_PackElementIndex(), and CCache< TKey, TValue, THandler, TLock, TSize >::x_UpdateElement().

◆ m_RemoveList

template<class Key , class Value , class Less = less<Key>>

◆ m_RemoveListIter

template<class Key , class Value , class Less = less<Key>>

◆ m_SizeLimit

template<class Key , class Value , class Less = less<Key>>

◆ m_Value

template<class TKey , class TValue , class THandler = CCacheElement_Handler<TKey, TValue>, class TLock = TCacheLock_Default, class TSize = Uint4>

TValueType CCache< TKey, TValue, THandler, TLock, TSize >::SValueWithIndex::m_Value ◆ m_Weight

template<class TKey , class TSize >

◆ limited_size_map< key_type, mapped_type, TLess > [1/2] ◆ limited_size_map< key_type, mapped_type, TLess > [2/2]

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