KaldiObjectHolder< KaldiType > Class Template Reference

KaldiObjectHolder works for Kaldi objects that have the "standard" Read and Write functions, and a copy constructor. More...

#include <kaldi-holder-inl.h>

Collaboration diagram for KaldiObjectHolder< KaldiType >:

Public Types
typedef KaldiType	T

Public Member Functions
	KaldiObjectHolder ()
void	Clear ()
bool	Read (std::istream &is)
T &	Value ()
void	Swap (KaldiObjectHolder< T > *other)
bool	ExtractRange (const KaldiObjectHolder< T > &other, const std::string &range)
	~KaldiObjectHolder ()

Static Public Member Functions
static bool	Write (std::ostream &os, bool binary, const T &t)
static bool	IsReadInBinary ()

Private Member Functions
	KALDI_DISALLOW_COPY_AND_ASSIGN (KaldiObjectHolder)

Private Attributes
T *	t_

Detailed Description

template<class KaldiType>
class kaldi::KaldiObjectHolder< KaldiType >

KaldiObjectHolder works for Kaldi objects that have the "standard" Read and Write functions, and a copy constructor.

Definition at line 45 of file kaldi-holder-inl.h.

Member Typedef Documentation

T

typedef KaldiType T

Definition at line 47 of file kaldi-holder-inl.h.

Constructor & Destructor Documentation

KaldiObjectHolder()

KaldiObjectHolder ( )

inline

Definition at line 49 of file kaldi-holder-inl.h.

: t_(NULL) { }

~KaldiObjectHolder()

~KaldiObjectHolder ( )

inline

Definition at line 115 of file kaldi-holder-inl.h.

References KaldiObjectHolder< KaldiType >::KALDI_DISALLOW_COPY_AND_ASSIGN(), and KaldiObjectHolder< KaldiType >::t_.

{ delete t_; }

Member Function Documentation

Clear()

void Clear ( )

inline

Definition at line 62 of file kaldi-holder-inl.h.

References KaldiObjectHolder< KaldiType >::t_.

               {
    if (t_) {
      delete t_;
      t_ = NULL;
    }
  }

ExtractRange()

bool ExtractRange ( const KaldiObjectHolder< T > &  other, const std::string &  range  )

inline

Definition at line 106 of file kaldi-holder-inl.h.

References kaldi::ExtractObjectRange(), KALDI_ASSERT, and KaldiObjectHolder< KaldiType >::t_.

                                            {
    KALDI_ASSERT(other.t_ != NULL);
    delete t_;
    t_ = new T;
    // this call will fail for most object types.
    return ExtractObjectRange(*(other.t_), range, t_);
  }

IsReadInBinary()

static bool IsReadInBinary ( )

inlinestatic

Definition at line 93 of file kaldi-holder-inl.h.

{ return true; }

KALDI_DISALLOW_COPY_AND_ASSIGN()

KALDI_DISALLOW_COPY_AND_ASSIGN ( KaldiObjectHolder< KaldiType >  )

private

Referenced by TokenHolder::ExtractRange(), TokenVectorHolder::ExtractRange(), HtkMatrixHolder::ExtractRange(), SphinxMatrixHolder< kFeatDim >::ExtractRange(), BasicHolder< BasicType >::~BasicHolder(), BasicPairVectorHolder< BasicType >::~BasicPairVectorHolder(), BasicVectorHolder< BasicType >::~BasicVectorHolder(), BasicVectorVectorHolder< BasicType >::~BasicVectorVectorHolder(), and KaldiObjectHolder< KaldiType >::~KaldiObjectHolder().

Read()

bool Read ( std::istream &  is )

inline

Definition at line 70 of file kaldi-holder-inl.h.

References kaldi::InitKaldiInputStream(), KALDI_WARN, and KaldiObjectHolder< KaldiType >::t_.

                            {
    delete t_;
    t_ = new T;
    // Don't want any existing state to complicate the read function: get new
    // object.
    bool is_binary;
    if (!InitKaldiInputStream(is, &is_binary)) {
      KALDI_WARN << "Reading Table object, failed reading binary header\n";
      return false;
    }
    try {
      t_->Read(is, is_binary);
      return true;
    } catch(const std::exception &e) {
      KALDI_WARN << "Exception caught reading Table object. " << e.what();
      delete t_;
      t_ = NULL;
      return false;
    }
  }

Swap()

void Swap ( KaldiObjectHolder< T > *  other )

inline

Definition at line 101 of file kaldi-holder-inl.h.

References kaldi::swap(), and KaldiObjectHolder< KaldiType >::t_.

                                         {
    // the t_ values are pointers so this is a shallow swap.
    std::swap(t_, other->t_);
  }

Value()

T& Value ( )

inline

Definition at line 95 of file kaldi-holder-inl.h.

References KALDI_ERR, and KaldiObjectHolder< KaldiType >::t_.

             {
    // code error if !t_.
    if (!t_) KALDI_ERR << "KaldiObjectHolder::Value() called wrongly.";
    return *t_;
  }

Write()

static bool Write ( std::ostream &  os, bool  binary, const T &  t  )

inlinestatic

Definition at line 51 of file kaldi-holder-inl.h.

References kaldi::InitKaldiOutputStream(), and KALDI_WARN.

                                                             {
    InitKaldiOutputStream(os, binary);  // Puts binary header if binary mode.
    try {
      t.Write(os, binary);
      return os.good();
    } catch(const std::exception &e) {
      KALDI_WARN << "Exception caught writing Table object. " << e.what();
      return false;  // Write failure.
    }
  }

Member Data Documentation

t_

T* t_

private

Definition at line 118 of file kaldi-holder-inl.h.

Referenced by KaldiObjectHolder< KaldiType >::Clear(), BasicVectorHolder< BasicType >::Clear(), BasicVectorVectorHolder< BasicType >::Clear(), BasicPairVectorHolder< BasicType >::Clear(), TokenHolder::Clear(), TokenVectorHolder::Clear(), HtkMatrixHolder::Clear(), KaldiObjectHolder< KaldiType >::ExtractRange(), KaldiObjectHolder< KaldiType >::Read(), BasicHolder< BasicType >::Read(), BasicVectorHolder< BasicType >::Read(), BasicVectorVectorHolder< BasicType >::Read(), BasicPairVectorHolder< BasicType >::Read(), TokenHolder::Read(), TokenVectorHolder::Read(), HtkMatrixHolder::Read(), KaldiObjectHolder< KaldiType >::Swap(), BasicHolder< BasicType >::Swap(), BasicVectorHolder< BasicType >::Swap(), BasicVectorVectorHolder< BasicType >::Swap(), BasicPairVectorHolder< BasicType >::Swap(), TokenHolder::Swap(), TokenVectorHolder::Swap(), HtkMatrixHolder::Swap(), KaldiObjectHolder< KaldiType >::Value(), BasicHolder< BasicType >::Value(), BasicVectorHolder< BasicType >::Value(), BasicVectorVectorHolder< BasicType >::Value(), BasicPairVectorHolder< BasicType >::Value(), TokenHolder::Value(), TokenVectorHolder::Value(), HtkMatrixHolder::Value(), and KaldiObjectHolder< KaldiType >::~KaldiObjectHolder().

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

• util/kaldi-holder-inl.h