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// -*- C++ -*-
//=============================================================================
/**
* @file LogRecordStore.h
*
* @author Matthew Braun <mjb2@cs.wustl.edu>
* @author Pradeep Gore <pradeep@cs.wustl.edu>
* @author David A. Hanvey <d.hanvey@qub.ac.uk>
*/
//=============================================================================
#ifndef TAO_LOG_RECORD_STORE_H
#define TAO_LOG_RECORD_STORE_H
#include /**/ "ace/pre.h"
#include /**/ "ace/config-all.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "orbsvcs/DsLogAdminC.h"
#include "orbsvcs/Log/log_serv_export.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
/**
* @class TAO_LogRecordStore
*
* @brief Abstract base class for storing DsLogAdmin::LogRecord's
*
* Implements a Table Data Gateway(144) for log records, and a Row
* Data Gateway(152) for log channel parameters.
*/
class TAO_Log_Serv_Export TAO_LogRecordStore
{
public:
/// Destructor.
virtual ~TAO_LogRecordStore (void);
/// Initialization.
virtual int open (void) = 0;
/// Close the record store.
virtual int close (void) = 0;
// = Log Parameters
/// Gets the administrative state of the log
virtual DsLogAdmin::AdministrativeState
get_administrative_state (void) const = 0;
/// Sets the administrative state of the log
virtual void
set_administrative_state (DsLogAdmin::AdministrativeState state) = 0;
/// Get the capacity alarm thresholds
virtual DsLogAdmin::CapacityAlarmThresholdList*
get_capacity_alarm_thresholds (void) const = 0;
/// Set the capacity alarm thresholds
virtual void
set_capacity_alarm_thresholds (const DsLogAdmin::CapacityAlarmThresholdList& thresholds) = 0;
/// Gets the forwarding state
virtual DsLogAdmin::ForwardingState
get_forwarding_state (void) const = 0;
/// Sets the forwarding state
virtual void
set_forwarding_state (DsLogAdmin::ForwardingState state) = 0;
/// Get the log duration
virtual DsLogAdmin::TimeInterval get_interval (void) const = 0;
/// Set the log duration.
virtual void
set_interval (const DsLogAdmin::TimeInterval& interval) = 0;
/// Get the log full action
virtual DsLogAdmin::LogFullActionType
get_log_full_action (void) const = 0;
/// Set the log full action
virtual void
set_log_full_action(DsLogAdmin::LogFullActionType action) = 0;
/// Get the list of the QoS properties supported by the log.
virtual DsLogAdmin::QoSList*
get_log_qos (void) const = 0;
/// Set the list of the QoS properties supported by the log.
virtual void
set_log_qos (const DsLogAdmin::QoSList& qos) = 0;
/// Gets the max record life
virtual CORBA::ULong
get_max_record_life (void) const = 0;
/// Sets the max record life
virtual void
set_max_record_life (CORBA::ULong life) = 0;
/// Get the current set value of the max size of the log data.
virtual CORBA::ULongLong
get_max_size (void) const = 0;
/// Set the max size of log data. size == 0, => infinite.
virtual void
set_max_size (CORBA::ULongLong size) = 0;
/// Get the weekly scheduling parameters
virtual DsLogAdmin::WeekMask*
get_week_mask (void) = 0;
/// Set the weekly scheduling parameters.
virtual void
set_week_mask (const DsLogAdmin::WeekMask& masks) = 0;
// = LogRecordStore status methods
/// Gets the current size of the log data.
virtual CORBA::ULongLong
get_current_size (void) = 0;
/// Get the number of records in the log right now.
virtual CORBA::ULongLong
get_n_records (void) = 0;
// = LogRecordStore gauge
/// Gets the current value of the "gauge" that measures the total
/// size of the records written to the log.
virtual CORBA::ULongLong
get_gauge(void) = 0;
/// Resets the "gauge" to 0
virtual void
reset_gauge(void) = 0;
// = Record logging, retrieval, update and removal methods.
/// Insert rec into storage.
/// Returns 0 on success -1 on failure and 1 if the log is full.
virtual int
log (const DsLogAdmin::LogRecord &rec) = 0;
/// Deletes "old" records from the store.
virtual int
purge_old_records (void) = 0;
/// Set single record attributes.
virtual void
set_record_attribute (DsLogAdmin::RecordId id,
const DsLogAdmin::NVList & attr_list) = 0;
/// Set the attributes of all records that matches the
/// constraints with same attr_list.
virtual CORBA::ULong
set_records_attribute (const char * grammar,
const char * c,
const DsLogAdmin::NVList & attr_list) = 0;
/// Get the attributes of the record with id <id>. Raises
/// DsLogAdmin::InvalidRecordId
virtual DsLogAdmin::NVList*
get_record_attribute (DsLogAdmin::RecordId id) = 0;
/// Ensure changes have been flushed to persistent media
/// Returns 0 on success, -1 on failure
virtual int
flush (void) = 0;
/// Returns all records in the log that match the given constraint
/// <c>.
virtual DsLogAdmin::RecordList*
query (const char * grammar,
const char * c,
DsLogAdmin::Iterator_out i) = 0;
/// Retrieve <how_many> records from time <from_time> using iterator
/// <i>.
virtual DsLogAdmin::RecordList*
retrieve (DsLogAdmin::TimeT from_time,
CORBA::Long how_many,
DsLogAdmin::Iterator_out i) = 0;
/// Returns the number of records matching constraint <c>.
virtual CORBA::ULong
match (const char * grammar,
const char * c) = 0;
/// Delete records matching constraint <c>.
virtual CORBA::ULong
delete_records (const char * grammar,
const char * c) = 0;
/// Delete records matching ids in <ids>
virtual CORBA::ULong
delete_records_by_id (const DsLogAdmin::RecordIdList & ids) = 0;
virtual CORBA::ULong
remove_old_records (void) = 0;
/// Read-Write Lock
virtual ACE_SYNCH_RW_MUTEX& lock() = 0;
protected:
/// Constructor.
TAO_LogRecordStore (void);
private:
};
TAO_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /*TAO_LOG_RECORD_STORE_H*/
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