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Impala::Util Namespace Reference

Classes
class	Cache
class	ChannelListener
	Interface intended to be used by channel servers. More...
class	Channel
class	ChannelAuthorization
	Authorization of the use of a Channel. More...
class	ChannelPool
class	ChannelProxy
class	ChannelServer
class	Database
class	DirectoryInfo
class	FileInfo
class	IOBuffer
	Base class for I/O buffers. More...
class	IOBufferChannel
	Experimental specialization of IOBuffer that obtains data thru a Channel upon invocation of member functions. More...
class	IOBufferFile
class	Iterable
class	Param
class	Range
class	LogRange
	same as ParamRange but searches logarithmicly, note that the semantics of the parameters have changed: they are exponents, not values More...
class	NumberGenerator
class	ProgressPrinter
class	PropertySet
class	QuasiRandomSequenceIterator
class	RandomGenerator
class	RangeIterator
class	SimpleMapBase
class	SimpleMapDelete
class	SimpleMap
class	StringParser
class	TimePlot
class	TimeStats
class	Deletor
class	Nop
class	XmlDoc
	Base class for XML-based documents. More...
Namespaces
namespace	Mpi
Functions
std::string	MakeString (Impala::Core::Array::ColorSegmentationAlgorithm alg)
std::string	MakeString (Impala::Core::Array::ColorSegmentationInvariant inv)
template<class Type>
void	ApplyOrder (Type *data, const int *constOrder, int length)
	if order = {3,2,1,0} (and length = 4) then will be reversed used for sorting tables on one column
String	Bin2Hex (UInt8 *data, size_t dataSize)
UInt8 *	Hex2Bin (CString data, size_t &resSize)
	ILOG_VAR_INIT_TEMPL_2 (Cache, IdxT, ElemT, Impala.Util)
	ILOG_VAR_INIT (Channel, Impala.Util)
	ILOG_VAR_INIT (ChannelAuthorization, Impala.Util)
	ILOG_VAR_INIT (ChannelPool, Impala.Util)
	ILOG_VAR_INIT (ChannelProxy, Impala.Util)
	ILOG_VAR_INIT (ChannelServer, Impala.Util)
	ILOG_VAR_INIT (Database, Impala.Util)
template<class BackInsertIterator>
void	DatabaseReadNative (BackInsertIterator bi, IOBuffer *buf)
template<class BackInsertIterator>
void	DatabaseReadString (BackInsertIterator bi, IOBuffer *buf, bool skipEC, int count)
template<class BackInsertIterator>
void	DatabaseReadString (BackInsertIterator bi, String fileName, Database *db, bool skipEC, int count=-1)
void	DatabaseReadStrings (std::vector< String > &stringList, CString filename, Database *db)
template<class Iterator>
void	DatabaseWriteNative (String fileName, Database *db, Iterator begin, Iterator end)
template<class Iterator>
bool	DatabaseWriteString (IOBuffer *buf, Iterator begin, Iterator end, int count=-1)
template<class Iterator>
bool	DatabaseWriteString (String fileName, Database *db, Iterator begin, Iterator end, int count=-1)
std::ostream &	operator<< (std::ostream &os, const DirectoryInfo &d)
void	FileCopyLocalToRemote (std::string localFileName, std::string remoteFileName)
void	FileCopyRemoteToLocal (std::string remoteFileName, std::string localFileName)
void	FileCopyRemoteToLocal (IOBuffer *remoteBuffer, std::string localFileName)
Persistency::CollectableType	File2Type (const FileInfo *file)
std::string	File2TypeName (const FileInfo *file)
template<class BackInsertIterator>
void	FileReadNative (BackInsertIterator bi, String fileName)
template<class Iterator>
void	FileWriteNative (std::string fileName, Iterator begin, Iterator end)
bool *	MakeIntersection (bool *set1, bool *set2, int size)
	returns a new filter that is the intersection of the two input filters
bool *	MakeRelativeComplement (bool *set1, bool *set2, int size)
	returns a new filter that is the 'relative complement of set2 in set1' which is normaly written as set1 \ set2.
bool *	MakeUnion (bool *set1, bool *set2, int size)
	returns a new filter that is the union of the two input filters
int	Count (bool *set, int size)
	returns the number of elemnts present in the input filters (i.e.
int	IndexOfNth (bool *set, int size, int n)
	returns the index in the filter of the 'n'th positive element or 'size' if there are less than 'n' positive elements.
bool	Equal (bool *set1, bool *set2, int length)
	ILOG_VAR_INIT (IOBuffer, Impala.Util)
IOBuffer *	CreateIOBufferFromFile (CString filename)
void	Broadcast (IOBuffer *buffer)
	ILOG_VAR_INIT (IOBufferChannel, Impala.Util)
	ILOG_VAR_INIT (IOBufferFile, Impala.Util)
Iterable *	ParseRangeDefinitionElement (const std::string &name, std::string &definition)
Iterable *	ParseRangeDefinition (const std::string &name, const std::string &definition)
bool	IsRangeDefinition (std::string s)
bool *	MakeFilterElemLess (const Core::Array::Array2dScalarReal64 *matrix, int dimension, double treshold)
	filters out all row in the matrix for which the value at column 'dimension' is less than the treshold
void	PrintMemUsage (String marker)
void	PrintMemUsage ()
void	Append (PropertySet *dst, const PropertySet *src)
std::ostream &	operator<< (std::ostream &os, const PropertySet &ps)
template<class Type>
void	SelectionSort (Type data[], int left, int right)
	Note: right is inclusive
template<class Type>
int	Partition (Type *data, int left, int right)
	Note: right is inclusive
template<class Type>
void	QuickSort (Type *data, int left, int right)
	Note: right is inclusive
template<class Type>
void	SelectionSortDesc (Type data[], int left, int right)
	Note: right is inclusive
template<class Type>
int	PartitionDesc (Type *data, int left, int right)
	Note: right is inclusive
template<class Type>
void	QuickSortDesc (Type *data, int left, int right)
	Note: right is inclusive
template<class Type, class CoType>
void	SelectionSortCo (Type *data, CoType *coData, int left, int right)
	Note: right is inclusive
template<class Type, class CoType>
int	PartitionCo (Type *data, CoType *coData, int left, int right)
	Note: right is inclusive
template<class Type, class CoType>
void	QuickSortCo (Type *data, CoType *coData, int left, int right)
	Note: right is inclusive
template<class Type, class CoType>
void	SelectionSortDescCo (Type *data, CoType *coData, int left, int right)
	Note: right is inclusive
template<class Type, class CoType>
int	PartitionDescCo (Type *data, CoType *coData, int left, int right)
	Note: right is inclusive
template<class Type, class CoType>
void	QuickSortDescCo (Type *data, CoType *coData, int left, int right)
	Note: right is inclusive
static void	SetRandomSeed (int seed)
static void	RandomiseSeed ()
int	RandomInt (int upperBound)
	Gives a random integer in range [0,i).
int	RandomInt ()
double	RandomDouble (double upperBound)
	Gives a random number in range [0,i) with resolution of RAND_MAX.
double	RandomDouble ()
std::set< int >	RandomUniqueNumbers (int count, int upperBound)
	get 'count' numbers in the range [0,upperBound)
void	DumpRandomSequence (int seed, int length, int maxint)
	ILOG_VAR_INIT (RangeIterator, Impala.Util)
std::ostream &	operator<< (std::ostream &os, RangeIterator &ri)
IOBuffer *	ReadIOBufferFromChannel (Channel *channel, std::string fileName, std::string useLocalFile)
	Create and an IOBuffer and fill it with data from fileName obtained via a Channel.
template<class Type>
void	Reverse (Type *data, int left, int right)
	left and right denote the boundaries between wich the elements will be reverse so, normally they will be 0 and size-1 respectively
void	Sleep (int sec)
template<class collectionT>
void	SubSelectInPlace (collectionT *collection, int start, int number)
	Utility function to select a range in a stl collection (vector, deque, list).
void	TestApplyOrder ()
void	TestSort ()
std::ostream &	operator<< (std::ostream &os, TimeStats &stats)
	ILOG_VAR_INIT (XmlDoc, Util)
Variables
const int	cQuicksortTreshold = 15
	an array shorter than this is sorted with SelectionSort, a longer one with QuickSort

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