Apache Ignite C++
Public Member Functions | List of all members
ignite::binary::BinaryCollectionReader< T > Class Template Reference

Binary collection reader. More...

#include <binary_containers.h>

Public Member Functions

 BinaryCollectionReader (impl::binary::BinaryReaderImpl *impl, int32_t id, const CollectionType::Type type, int32_t size)
 Constructor. More...
 
bool HasNext ()
 Check whether next element is available for read. More...
 
GetNext ()
 Read next element. More...
 
CollectionType::Type GetType ()
 Get collection type. More...
 
int32_t GetSize ()
 Get collection size. More...
 
bool IsNull ()
 Check whether collection is NULL. More...
 

Detailed Description

template<typename T>
class ignite::binary::BinaryCollectionReader< T >

Binary collection reader.

Can be used to read collection of values of the specific type one by one.

Use GetNext() method to read array value by value while HasNext() method returns true.

Constructor & Destructor Documentation

◆ BinaryCollectionReader()

template<typename T >
ignite::binary::BinaryCollectionReader< T >::BinaryCollectionReader ( impl::binary::BinaryReaderImpl *  impl,
int32_t  id,
const CollectionType::Type  type,
int32_t  size 
)
inline

Constructor.

Internal call. Should not be used by user.

Parameters
implReader implementation.
idIdentifier.
typeCollection type.
sizeCollection size.

Member Function Documentation

◆ GetNext()

template<typename T >
T ignite::binary::BinaryCollectionReader< T >::GetNext ( )
inline

Read next element.

Returns
Next element.
Exceptions
IgniteErrorif there is no element to read.

◆ GetSize()

template<typename T >
int32_t ignite::binary::BinaryCollectionReader< T >::GetSize ( )
inline

Get collection size.

Returns
Size or -1 if collection is NULL.

◆ GetType()

template<typename T >
CollectionType::Type ignite::binary::BinaryCollectionReader< T >::GetType ( )
inline

Get collection type.

Returns
Collection type. See CollectionType for the list of available values and their description.

◆ HasNext()

template<typename T >
bool ignite::binary::BinaryCollectionReader< T >::HasNext ( )
inline

Check whether next element is available for read.

Returns
True if available.

◆ IsNull()

template<typename T >
bool ignite::binary::BinaryCollectionReader< T >::IsNull ( )
inline

Check whether collection is NULL.

Returns
True if the collection is NULL.

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