Table of contents

General

• HepODBMS
• Installation Hints
• Reference
• Using Clustering Hints
• Using Event Collections and Selection Predicates
• Using HepDbApplication and HepTagDbApplication
• Using ODMG Base Types
• Using the NamedObjectTree class to construct a namespaces for objects

Classes

• Bench abtract base class for benchmark objects
• d_stats ////////////////////////////////////////////////////////////////////////////
• HepAbstractClusteringHint abtract base of all clustering hints
• HepAllEventCollectionPredicate concrete predicate that selects all events
• HepClusteringContainer For Objectivity/DB also the locking is done on the container level
• HepClusteringHint (or in a group of containers if a single container is too small or would imply locking problems during concurrent writing situations)
• HepContainerBasedEventCollection event collection defined by their containment in a objy container
• HepContainerBasedTagCollection collection of events defined as a conatiner of tags
• HepContainerHint hint that uses a single container
• HepDbApplication base class for applications using a database
• HepEvent base class for events handled by the tagDb
• HepEventCollection abstract event collection interface
• HepEventCollectionPredicate abtract base class of event collection predicates
• HepEventID base class for implementing unique event ids (to be used for merging collections)
• HepEventTag base class of event tags handled by the tagDb package
• HepNoneEventCollectionPredicate concrete predicate that selects no event
• HepPersistentEventCollection persistent collection of events, implemented using an array of object
• HepTagDbApplication base class for applications using the tagdb
• HepTransientEventCollection transient version implemented using tools.h++
• NamedNode node in a named object tree (not yet fully implemented)
• NamedObjectTree transient class to traverse trees of named nodes
• NullBench concrete benchmark (used to measure the Bench loop overhead)
• ooSession objectivity session class
• ProcessTime class for process time measurements
• TclApp simple C++ interface to TCL allows to instatiate a new tcl interpreter and to define tcl commands in c++
• Timer named timer object for code benchmarks

Functions, Macros

• (HepExplorableDescr) make a new Description object (INTERNAL ONLY!)
• createDescription start creating a new description
• d_timer::cmpTime ///////////////////////// INLINE FUNCTIONS //////////////////////////////////////
• findExplorable find an explorable in the data base by name (rc=0 means not found)
• firstExplorableName start iteration over explorable names (rc= first name or 0 if no explorables found)
• getCurrentObject return the current object from the collection
• getCurrentObject retrieve the user object if any. rc!=0 object exists, rc=0 no user object
• getFieldIdByName return a field id, which may be later used to retrieve a value, rc=-1 means field does not exist
• getFieldIdByName return a field id, which may be later used to retrieve a value, rc=-1 means field does not exist
• getFieldNameById return field name (may be used to iterate over all available fields) rc=0 no more fields
• getFieldNameById return the name of the field specified (or 0 if not found)
• getFieldOffsetById return the internal offset of the field specified (or -1 if not found)
• getFieldTypeById return the type of the field specified (or eTypeUnused if not found)
• getFieldValueById retrieve field values
• getName return the name of this explorable
• HepExplorableCollection create a explorable collection
• HepRef reference to the persistent tag description object
• next position to the next entry, rc!=0 if success, rc=0 on error
• next next object in this collection
• nextExplorableName next explorable name or 0 if no more explorables found
• removeDescription start remove a description
• setName
• setName set the name of this explorable
• start iteration implementation
• start position to the first entry, rc!=0 if success, rc=0 on error
• ~HepExplorable

Variables

• HepClusteringContainer //////////////////////////////////////////////////////////////////////////
• HepClusteringContainer container class used by container group clustering hints
• HepContainerGroup //////////////////////////////////////////////////////////////////////////
• HepDBGroup //////////////////////////////////////////////////////////////////////////
• HepDBGroupDummy1 //////////////////////////////////////////////////////////////////////////
• HepDBGroupDummy2 //////////////////////////////////////////////////////////////////////////
• HepEvent //////////////////////////////////////////////////////////////////////////
• HepEvent base class of event tags handled by the tagDb package
• HepEventTag //////////////////////////////////////////////////////////////////////////
• HepExplorableDescr //////////////////////////////////////////////////////////////////////////
• HepExplorableGenericTagsDescr //////////////////////////////////////////////////////////////////////////
• HepExplorableTagsDescr //////////////////////////////////////////////////////////////////////////
• HepGenericTag //////////////////////////////////////////////////////////////////////////
• HepPersistentEventCollection //////////////////////////////////////////////////////////////////////////
• NamedNode //////////////////////////////////////////////////////////////////////////

HepODBMS Release 0.2

  comments or suggestions to Dirk.Duellmann@cern.ch,

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