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ConcatNode< ValueType > Class Template Referencefinal

Detailed Description

template<typename ValueType>
class thrill::api::ConcatNode< ValueType >

Definition at line 35 of file concat.hpp.

+ Inheritance diagram for ConcatNode< ValueType >:
+ Collaboration diagram for ConcatNode< ValueType >:

#include <concat.hpp>

Public Types

using Super = DOpNode< ValueType >
 
- Public Types inherited from DOpNode< ValueType >
using Super = DIANode< ValueType >
 
- Public Types inherited from DIANode< ValueType >
using Callback = tlx::delegate< void(const ValueType &)>
 
- Public Types inherited from DIABase
using DIABasePtr = tlx::CountingPtr< DIABase >
 

Public Member Functions

template<typename ParentDIA0 , typename... ParentDIAs>
 ConcatNode (const ParentDIA0 &parent0, const ParentDIAs &...parents)
 
void Dispose () final
 Virtual clear method. Triggers actual disposing in sub-classes. More...
 
void Execute () final
 Executes the concat operation. More...
 
bool OnPreOpFile (const data::File &file, size_t parent_index) final
 Receive a whole data::File of ValueType, but only if our stack is empty. More...
 
void PushData (bool consume) final
 Virtual method for pushing data. Triggers actual pushing in sub-classes. More...
 
void StopPreOp (size_t id) final
 Virtual method for preparing end of PushData. More...
 
- Public Member Functions inherited from DOpNode< ValueType >
 DOpNode (Context &ctx, const char *label, const std::initializer_list< size_t > &parent_ids, const std::initializer_list< DIABasePtr > &parents)
 Constructor for a DOpNode, which sets references to the parent nodes. More...
 
 DOpNode (Context &ctx, const char *label, std::vector< size_t > &&parent_ids, std::vector< DIABasePtr > &&parents)
 Constructor for a DOpNode, which sets references to the parent nodes. More...
 
- Public Member Functions inherited from DIANode< ValueType >
 DIANode (Context &ctx, const char *label, const std::initializer_list< size_t > &parent_ids, const std::initializer_list< DIABasePtr > &parents)
 Constructor for a DIANode, which sets references to the parent nodes. More...
 
 DIANode (Context &ctx, const char *label, std::vector< size_t > &&parent_ids, std::vector< DIABasePtr > &&parents)
 Constructor for a DIANode, which sets references to the parent nodes. More...
 
virtual void AddChild (DIABase *node, const Callback &callback=Callback(), size_t parent_index=0)
 Enables children to push their "folded" function chains to their parent. More...
 
std::vector< DIABase * > children () const override
 Returns the children of this DIABase. More...
 
void PushFile (data::File &file, bool consume) const
 
void PushItem (const ValueType &item) const
 Method for derived classes to Push a single item to all children. More...
 
void RemoveAllChildren () override
 
void RemoveChild (DIABase *node) override
 
void RunPushData () override
 
- Public Member Functions inherited from DIABase
 DIABase (Context &ctx, const char *label, const std::initializer_list< size_t > &parent_ids, const std::initializer_list< DIABasePtr > &parents)
 The constructor for a DIABase. More...
 
 DIABase (Context &ctx, const char *label, std::vector< size_t > &&parent_ids, std::vector< DIABasePtr > &&parents)
 The constructor for a DIABase. More...
 
 DIABase (const DIABase &)=delete
 non-copyable: delete copy-constructor More...
 
 DIABase (DIABase &&)=default
 move-constructor: default More...
 
virtual ~DIABase ()
 Virtual destructor for a DIABase. More...
 
virtual size_t consume_counter () const
 Returns consume_counter_. More...
 
Contextcontext ()
 Returns the api::Context of this DIABase. More...
 
virtual void DecConsumeCounter (size_t counter)
 
virtual bool ForwardDataOnly () const
 
const size_t & id () const
 return unique id() of DIANode subclass as stored by StatsNode More...
 
virtual void IncConsumeCounter (size_t counter)
 
const char * label () const
 return label() of DIANode subclass as stored by StatsNode More...
 
mem::Managermem_manager ()
 Return the Context's memory manager. More...
 
DIABaseoperator= (const DIABase &)=delete
 non-copyable: delete assignment operator More...
 
DIABaseoperator= (DIABase &&)=default
 move-assignment operator: default More...
 
std::vector< size_t > parent_ids () const
 Returns the parents of this DIABase. More...
 
const std::vector< DIABasePtr > & parents () const
 Returns the parents of this DIABase. More...
 
void RemoveParent (DIABase *p)
 Remove a parent. More...
 
virtual bool RequireParentPushData (size_t) const
 
void RunScope ()
 
void set_mem_limit (const DIAMemUse &mem_limit)
 
void set_state (const DIAState &state)
 
virtual void SetConsumeCounter (size_t counter)
 
DIAState state () const
 
virtual DIAMemUse PreOpMemUse ()
 Amount of RAM used by PreOp after StartPreOp() More...
 
virtual void StartPreOp (size_t)
 Virtual method for preparing start of PushData. More...
 
virtual DIAMemUse ExecuteMemUse ()
 Amount of RAM used by Execute() More...
 
virtual DIAMemUse PushDataMemUse ()
 Amount of RAM used by PushData() More...
 
- Public Member Functions inherited from ReferenceCounter
 ReferenceCounter () noexcept
 new objects have zero reference count More...
 
 ReferenceCounter (const ReferenceCounter &) noexcept
 coping still creates a new object with zero reference count More...
 
 ~ReferenceCounter ()
 
bool dec_reference () const noexcept
 Call whenever resetting (i.e. More...
 
void inc_reference () const noexcept
 Call whenever setting a pointer to the object. More...
 
ReferenceCounteroperator= (const ReferenceCounter &) noexcept
 assignment operator, leaves pointers unchanged More...
 
size_t reference_count () const noexcept
 Return the number of references to this object (for debugging) More...
 
bool unique () const noexcept
 Test if the ReferenceCounter is referenced by only one CountingPtr. More...
 

Static Public Attributes

static constexpr bool debug = false
 
- Static Public Attributes inherited from DIABase
static constexpr size_t kNeverConsume = static_cast<size_t>(-1)
 Never full consume. More...
 

Private Attributes

std::vector< data::Filefiles_
 Files for intermediate storage. More...
 
const size_t num_inputs_
 number of input DIAs More...
 
const std::vector< bool > parent_stack_empty_
 Whether the parent stack is empty. More...
 
std::vector< data::CatStreamPtrstreams_
 Array of CatStreams for exchange. More...
 
std::vector< data::File::Writerwriters_
 Writers to intermediate files. More...
 

Additional Inherited Members

- Public Attributes inherited from DIABase
common::JsonLogger logger_
 
- Protected Attributes inherited from DIANode< ValueType >
std::vector< Childchildren_
 Callback functions from the child nodes. More...
 
- Protected Attributes inherited from DIABase
Contextcontext_
 associated Context More...
 
const size_t id_
 DIA serial id. More...
 
const char *const label_
 DOp node static label. More...
 
DIAState state_ = DIAState::NEW
 State of the DIANode. State is NEW on creation. More...
 
std::vector< DIABasePtrparents_
 Parents of this DIABase. More...
 
DIAMemUse mem_limit_ = 0
 
size_t consume_counter_ = 1
 

Member Typedef Documentation

using Super = DOpNode<ValueType>

Definition at line 40 of file concat.hpp.

Constructor & Destructor Documentation

ConcatNode ( const ParentDIA0 &  parent0,
const ParentDIAs &...  parents 
)
inlineexplicit

Constructor for variant with variadic parent parameter pack, which each parent may have a different FunctionStack.

Definition at line 46 of file concat.hpp.

Member Function Documentation

void Dispose ( )
inlinefinalvirtual

Virtual clear method. Triggers actual disposing in sub-classes.

Reimplemented from DIABase.

Definition at line 297 of file concat.hpp.

References ConcatNode< ValueType >::files_, ConcatNode< ValueType >::streams_, and ConcatNode< ValueType >::writers_.

bool OnPreOpFile ( const data::File file,
size_t  parent_index 
)
inlinefinalvirtual

Receive a whole data::File of ValueType, but only if our stack is empty.

Reimplemented from DIABase.

Definition at line 156 of file concat.hpp.

References ConcatNode< ValueType >::files_, thrill::common::g_debug_push_file, LOGC, and ConcatNode< ValueType >::parent_stack_empty_.

void PushData ( bool  consume)
inlinefinalvirtual

Virtual method for pushing data. Triggers actual pushing in sub-classes.

Implements DIABase.

Definition at line 281 of file concat.hpp.

References BlockReader< BlockSource >::HasNext(), LOG, BlockReader< BlockSource >::Next(), ConcatNode< ValueType >::num_inputs_, DIANode< ValueType >::PushItem(), and ConcatNode< ValueType >::streams_.

void StopPreOp ( size_t  )
inlinefinalvirtual

Virtual method for preparing end of PushData.

Reimplemented from DIABase.

Definition at line 184 of file concat.hpp.

References DIABase::id(), and ConcatNode< ValueType >::writers_.

Member Data Documentation

constexpr bool debug = false
static

Definition at line 38 of file concat.hpp.

std::vector<data::File> files_
private

Files for intermediate storage.

Definition at line 311 of file concat.hpp.

Referenced by ConcatNode< ValueType >::Dispose(), ConcatNode< ValueType >::Execute(), and ConcatNode< ValueType >::OnPreOpFile().

const size_t num_inputs_
private

number of input DIAs

Definition at line 305 of file concat.hpp.

Referenced by ConcatNode< ValueType >::Execute(), and ConcatNode< ValueType >::PushData().

const std::vector<bool> parent_stack_empty_
private

Whether the parent stack is empty.

Definition at line 308 of file concat.hpp.

Referenced by ConcatNode< ValueType >::OnPreOpFile().

std::vector<data::CatStreamPtr> streams_
private

Array of CatStreams for exchange.

Definition at line 316 of file concat.hpp.

Referenced by ConcatNode< ValueType >::Dispose(), ConcatNode< ValueType >::Execute(), and ConcatNode< ValueType >::PushData().

std::vector<data::File::Writer> writers_
private

Writers to intermediate files.

Definition at line 313 of file concat.hpp.

Referenced by ConcatNode< ValueType >::Dispose(), and ConcatNode< ValueType >::StopPreOp().


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