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NCBI C++ ToolKit: src/objmgr/prefetch_manager_impl.cpp Source File

m_Data->m_Finished =

;

: m_Data(new

())

: m_Data(

.m_Data)

priority)

m_StateMutex(state_mutex),

m_Listener(listener),

);

);

( progress != old_progress ) {

( prefetch::CCancelRequestException& exc ) {

m_ThreadPool(

, max_threads, 2, threads_mode)

prefetch::CCancelRequestException();

prefetch::CCancelRequestException();

CCancelRequestException(void)

~CCancelRequestException(void)

Base class for all object manager exceptions.

This exception is used to interrupt actions canceled by user.

Abstract class for representing single task executing in pool of threads To use this class in applica...

Base class for a thread running inside CThreadPool and executing tasks.

static DLIST_TYPE *DLIST_NAME() prev(DLIST_LIST_TYPE *list, DLIST_TYPE *item)

#define ERR_POST(message)

Error posting with file, line number information but without error codes.

void Critical(CExceptionArgs_Base &args)

#define NCBI_THROW(exception_class, err_code, message)

Generic macro to throw an exception, given the exception class, error code and message string.

friend class CPrefetchRequest

static bool IsActive(void)

CIRef< IPrefetchAction > m_Action

CRef< CObjectFor< CMutex > > m_StateMutex

CRef< CObjectFor< CMutex > > m_StateMutex

virtual void OnStatusChange(EStatus)

Callback to notify on changes in the task status.

virtual EStatus Execute(void)

Do the actual job.

CIRef< IPrefetchListener > m_Listener

CPrefetchManager_Impl(unsigned max_threads, CThread::TRunMode threads_mode)

TProgress SetProgress(TProgress progress)

void SetListener(IPrefetchListener *listener)

IPrefetchAction * GetAction(void) const

CRef< CPrefetchRequest > AddAction(TPriority priority, IPrefetchAction *action, IPrefetchListener *listener)

~CPrefetchManager_Impl(void)

EState GetState(void) const

bool NotNull(void) const THROWS_NONE

Check if pointer is not null – same effect as NotEmpty().

CRef< C > Ref(C *object)

Helper functions to get CRef<> and CConstRef<> objects.

T & GetData(void)

Get data as a reference.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define END_SCOPE(ns)

End the previously defined scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

#define BEGIN_SCOPE(ns)

Define a new scope.

EStatus GetStatus(void) const

Get status of the task.

CRef< CThreadPool_Task > GetCurrentTask(void) const

Get the task currently executing in the thread.

EStatus

Status of the task.

bool IsAborted(void) const

Does method Abort() was already called for this ThreadPool.

bool IsCancelRequested(void) const

Check if cancellation of the task was requested.

void AddTask(CThreadPool_Task *task, const CTimeSpan *timeout=NULL)

Add task to the pool for execution.

@ eIdle

has not been placed in queue yet

@ eQueued

in the queue, awaiting execution

@ eExecuting

being executed

@ eFailed

failure during execution

@ eCompleted

executed successfully

@ eCanceled

canceled - possible only if canceled before processing was started or if method Execute() returns res...

int TRunMode

Bitwise OR'd flags for thread creation passed to Run().

static CThread * GetCurrentThread(void)

Get current CThread object (or NULL, if main thread)

Static variables safety - create on demand, destroy on application termination.

Multi-threading – classes, functions, and features.

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