OW_NAMESPACE::HDBNode Class Reference

#include <OW_HDBNode.hpp>

Collaboration diagram for OW_NAMESPACE::HDBNode:


Public Types
typedef HDBNodeDataRef HDBNode::*	safe_bool
Public Member Functions
	HDBNode ()
	Create a null HDBNode object.
	HDBNode (const String &key, int dataLen, const unsigned char *data)
	Create an HDBNode associated with a given key and data.
	HDBNode (const HDBNode &x)
	Copy constructor.
HDBNode &	operator= (const HDBNode &x)
	Assignment operator.
UInt32	getFlags ()
bool	areAllFlagsOn (UInt32 flags) const
	Determine if all of the user defined flags are on.
bool	areSomeFlagsOn (UInt32 flags) const
	Determine if some of the user defined flags are on.
bool	turnFlagsOn (HDBHandle &hdl, UInt32 flags)
	Turn the user defined flags on in this node.
bool	turnFlagsOff (HDBHandle &hdl, UInt32 flags)
	Turn the user defined flags off in this node.
String	getKey () const
Int32	getDataLen () const
const unsigned char *	getData () const
bool	hasParent () const
bool	hasNextSibling () const
bool	hasPreviousSibling () const
bool	hasChildren () const
bool	isRoot () const
bool	isChild () const
bool	isSibling () const
	operator safe_bool () const
bool	operator! () const
Private Types
typedef IntrusiveReference< HDBNodeData >	HDBNodeDataRef
enum	EWriteHeaderFlag { E_WRITE_ALL, E_WRITE_ONLY_HEADER }
Private Member Functions
	HDBNode (const char *key, HDBHandle &hdl)
	HDBNode (Int32 offset, HDBHandle &hdl)
void	read (Int32 offset, HDBHandle &hdl)
bool	reload (HDBHandle &hdl)
Int32	write (HDBHandle &hdl, EWriteHeaderFlag onlyHeader=E_WRITE_ALL)
void	updateOffsets (HDBHandle &hdl, Int32 offset)
Int32	getParentOffset () const
Int32	getFirstChildOffset () const
Int32	getLastChildOffset () const
Int32	getNextSiblingOffset () const
Int32	getPrevSiblingOffset () const
Int32	getOffset () const
bool	remove (HDBHandle &hdl)
void	removeBlock (HDBHandle &hdl, HDBBlock &fblk, Int32 offset)
void	addChild (HDBHandle &hdl, HDBNode &arg)
bool	updateData (HDBHandle &hdl, int dataLen, const unsigned char *data)
void	setNull ()
Private Attributes
HDBNodeDataRef	m_pdata
Friends
class	HDBHandle
Classes
struct	HDBNodeData

Detailed Description

Definition at line 50 of file OW_HDBNode.hpp.

Member Typedef Documentation

typedef IntrusiveReference<HDBNodeData> OW_NAMESPACE::HDBNode::HDBNodeDataRef [private]

Definition at line 67 of file OW_HDBNode.hpp.

typedef HDBNodeDataRef HDBNode::* OW_NAMESPACE::HDBNode::safe_bool

Definition at line 182 of file OW_HDBNode.hpp.

Member Enumeration Documentation

enum OW_NAMESPACE::HDBNode::EWriteHeaderFlag [private]

Enumerator:

E_WRITE_ALL

E_WRITE_ONLY_HEADER

Definition at line 195 of file OW_HDBNode.hpp.

Constructor & Destructor Documentation

OW_NAMESPACE::HDBNode::HDBNode ( ) [inline]

Create a null HDBNode object.

Definition at line 73 of file OW_HDBNode.hpp.

OW_NAMESPACE::HDBNode::HDBNode ( const String & key,

int dataLen,

const unsigned char * data

)

Create an HDBNode associated with a given key and data.
The node will not be persistant until it is added to the HDB.
Parameters:

key The key associated with the given HDBNode

dataLen The length of the data associated with the node.

data The data associated with the node.

Definition at line 112 of file OW_HDBNode.cpp.
References OW_NAMESPACE::String::empty().

OW_NAMESPACE::HDBNode::HDBNode ( const HDBNode & x ) [inline]

Copy constructor.

Parameters:

x The HDBNode to copy this node from.

Definition at line 86 of file OW_HDBNode.hpp.

OW_NAMESPACE::HDBNode::HDBNode ( const char * key,

HDBHandle & hdl

) [private]

Definition at line 87 of file OW_HDBNode.cpp.
References hdl, OW_NAMESPACE::IndexEntry::offset, and read().

OW_NAMESPACE::HDBNode::HDBNode ( Int32 offset,

HDBHandle & hdl

) [private]

Definition at line 102 of file OW_HDBNode.cpp.
References hdl, and read().

Member Function Documentation

void OW_NAMESPACE::HDBNode::addChild ( HDBHandle & hdl,

HDBNode & arg

) [private]

Definition at line 485 of file OW_HDBNode.cpp.
References hdl, m_pdata, OW_NAMESPACE::HDBBlock::nextSib, OW_THROW, OW_NAMESPACE::HDB::readBlock(), write(), and OW_NAMESPACE::HDB::writeBlock().

bool OW_NAMESPACE::HDBNode::areAllFlagsOn ( UInt32 flags ) const [inline]

Determine if all of the user defined flags are on.

Parameters:

flags The user defined flags to check.

Returns:
true if all flags are on in this node. Othewise false.

Definition at line 109 of file OW_HDBNode.hpp.
Referenced by OW_NAMESPACE::InstanceRepository::deleteClass(), OW_NAMESPACE::MetaRepository::enumQualifierTypes(), OW_NAMESPACE::InstanceRepository::getCIMInstances(), OW_NAMESPACE::InstanceRepository::getInstanceNames(), and OW_NAMESPACE::GenericHDBRepository::nameSpaceExists().

bool OW_NAMESPACE::HDBNode::areSomeFlagsOn ( UInt32 flags ) const [inline]

Determine if some of the user defined flags are on.

Parameters:

flags The user defined flags to check.

Returns:
true if some flags are on in this node. Othewise false.

Definition at line 118 of file OW_HDBNode.hpp.

const unsigned char* OW_NAMESPACE::HDBNode::getData ( ) const [inline]

Returns:
A pointer to the data associated with this HDBNode.

Definition at line 149 of file OW_HDBNode.hpp.
Referenced by OW_NAMESPACE::MetaRepository::_getClassNameFromNode(), and OW_NAMESPACE::GenericHDBRepository::nodeToCIMObject().

Int32 OW_NAMESPACE::HDBNode::getDataLen ( ) const [inline]

Returns:
The length of the data associated with this HDBNode.

Definition at line 145 of file OW_HDBNode.hpp.
Referenced by OW_NAMESPACE::MetaRepository::_getClassNameFromNode(), and OW_NAMESPACE::GenericHDBRepository::nodeToCIMObject().

Int32 OW_NAMESPACE::HDBNode::getFirstChildOffset ( ) const [inline, private]

Definition at line 203 of file OW_HDBNode.hpp.
Referenced by OW_NAMESPACE::HDBHandle::getFirstChild().

UInt32 OW_NAMESPACE::HDBNode::getFlags ( ) [inline]

Returns:
The value of the flags field on this HDBNode object.

Definition at line 100 of file OW_HDBNode.hpp.

String OW_NAMESPACE::HDBNode::getKey ( ) const [inline]

Returns:
The key associated with this HDBNode.

Definition at line 141 of file OW_HDBNode.hpp.
Referenced by OW_NAMESPACE::HDBHandle::addRootNode().

Int32 OW_NAMESPACE::HDBNode::getLastChildOffset ( ) const [inline, private]

Definition at line 204 of file OW_HDBNode.hpp.
Referenced by OW_NAMESPACE::HDBHandle::getLastChild().

Int32 OW_NAMESPACE::HDBNode::getNextSiblingOffset ( ) const [inline, private]

Definition at line 205 of file OW_HDBNode.hpp.
Referenced by OW_NAMESPACE::HDBHandle::getNextSibling().

Int32 OW_NAMESPACE::HDBNode::getOffset ( ) const [inline, private]

Definition at line 207 of file OW_HDBNode.hpp.
Referenced by OW_NAMESPACE::HDBHandle::addChild(), OW_NAMESPACE::HDBHandle::addRootNode(), OW_NAMESPACE::HDBHandle::removeNode(), OW_NAMESPACE::HDBHandle::turnFlagsOff(), OW_NAMESPACE::HDBHandle::turnFlagsOn(), and OW_NAMESPACE::HDBHandle::updateNode().

Int32 OW_NAMESPACE::HDBNode::getParentOffset ( ) const [inline, private]

Definition at line 202 of file OW_HDBNode.hpp.
Referenced by OW_NAMESPACE::HDBHandle::getParent().

Int32 OW_NAMESPACE::HDBNode::getPrevSiblingOffset ( ) const [inline, private]

Definition at line 206 of file OW_HDBNode.hpp.
Referenced by OW_NAMESPACE::HDBHandle::getPrevSibling().

bool OW_NAMESPACE::HDBNode::hasChildren ( ) const [inline]

Returns:
true if this HDBNode has any children.

Definition at line 165 of file OW_HDBNode.hpp.

bool OW_NAMESPACE::HDBNode::hasNextSibling ( ) const [inline]

Returns:
true if this HDBNode has a next sibling.

Definition at line 157 of file OW_HDBNode.hpp.

bool OW_NAMESPACE::HDBNode::hasParent ( ) const [inline]

Returns:
true if this HDBNode has a parent.

Definition at line 153 of file OW_HDBNode.hpp.

bool OW_NAMESPACE::HDBNode::hasPreviousSibling ( ) const [inline]

Returns:
true if this HDBNode has a previous sibling.

Definition at line 161 of file OW_HDBNode.hpp.

bool OW_NAMESPACE::HDBNode::isChild ( ) const [inline]

Returns:
true if this HDBNode is a child.

Definition at line 173 of file OW_HDBNode.hpp.

bool OW_NAMESPACE::HDBNode::isRoot ( ) const [inline]

Returns:
true if this HDBNode is a root node (has no parent).

Definition at line 169 of file OW_HDBNode.hpp.

bool OW_NAMESPACE::HDBNode::isSibling ( ) const [inline]

Returns:
true if this HDBNode has any siblings.

Definition at line 177 of file OW_HDBNode.hpp.

OW_NAMESPACE::HDBNode::operator safe_bool ( ) const [inline]

Returns:
true if this HDBNode is valid.

Definition at line 186 of file OW_HDBNode.hpp.
References m_pdata.

bool OW_NAMESPACE::HDBNode::operator! ( ) const [inline]

Definition at line 188 of file OW_HDBNode.hpp.

HDBNode& OW_NAMESPACE::HDBNode::operator= ( const HDBNode & x ) [inline]

Assignment operator.

Parameters:

x The HDBNode to assign to this one.

Returns:
A reference to this HDBNode.

Definition at line 92 of file OW_HDBNode.hpp.
References m_pdata.

void OW_NAMESPACE::HDBNode::read ( Int32 offset,

HDBHandle & hdl

) [private]

Definition at line 146 of file OW_HDBNode.cpp.
References hdl, OW_NAMESPACE::HDBBlock::isFree, OW_NAMESPACE::HDBBlock::keyLength, OW_THROW, OW_THROW_ERRNO_MSG, OW_NAMESPACE::File::read(), OW_NAMESPACE::HDB::readBlock(), and setNull().
Referenced by HDBNode().

bool OW_NAMESPACE::HDBNode::reload ( HDBHandle & hdl ) [private]

Definition at line 193 of file OW_HDBNode.cpp.
References hdl, and m_pdata.
Referenced by OW_NAMESPACE::HDBHandle::getFirstChild(), OW_NAMESPACE::HDBHandle::getLastChild(), OW_NAMESPACE::HDBHandle::getNextSibling(), OW_NAMESPACE::HDBHandle::getParent(), OW_NAMESPACE::HDBHandle::getPrevSibling(), OW_NAMESPACE::HDBHandle::removeNode(), OW_NAMESPACE::HDBHandle::turnFlagsOff(), OW_NAMESPACE::HDBHandle::turnFlagsOn(), updateData(), and OW_NAMESPACE::HDBHandle::updateNode().

bool OW_NAMESPACE::HDBNode::remove ( HDBHandle & hdl ) [private]

Definition at line 538 of file OW_HDBNode.cpp.
References OW_NAMESPACE::HDBBlock::firstChild, OW_NAMESPACE::HDB::getFirstRootOffSet(), OW_NAMESPACE::HDB::getLastRootOffset(), hdl, OW_NAMESPACE::HDBBlock::lastChild, m_pdata, OW_NAMESPACE::HDBBlock::nextSib, OW_NAMESPACE::HDBBlock::prevSib, OW_NAMESPACE::HDB::readBlock(), removeBlock(), OW_NAMESPACE::HDB::setFirstRootOffSet(), OW_NAMESPACE::HDB::setLastRootOffset(), and OW_NAMESPACE::HDB::writeBlock().
Referenced by OW_NAMESPACE::HDBHandle::removeNode().

void OW_NAMESPACE::HDBNode::removeBlock ( HDBHandle & hdl,

HDBBlock & fblk,

Int32 offset

) [private]

Definition at line 634 of file OW_HDBNode.cpp.
References OW_NAMESPACE::AutoPtrVec< X >::get(), hdl, LMAX, OW_THROW_ERRNO_MSG, OW_NAMESPACE::File::read(), and OW_NAMESPACE::HDB::readBlock().
Referenced by remove().

void OW_NAMESPACE::HDBNode::setNull ( ) [inline, private]

Definition at line 212 of file OW_HDBNode.hpp.
Referenced by read().

bool OW_NAMESPACE::HDBNode::turnFlagsOff ( HDBHandle & hdl,

UInt32 flags

)

Turn the user defined flags off in this node.

Parameters:

hdl

flags The flags to turn off in this node.

Returns:
true if the flags were changed from this operation. Otherwise false.

Definition at line 292 of file OW_HDBNode.cpp.
References hdl, m_pdata, and write().
Referenced by OW_NAMESPACE::HDBHandle::turnFlagsOff().

bool OW_NAMESPACE::HDBNode::turnFlagsOn ( HDBHandle & hdl,

UInt32 flags

)

Turn the user defined flags on in this node.

Parameters:

hdl

flags The flags to turn on in this node.

Returns:
true if the flags were changed from this operation. Otherwise false.

Definition at line 271 of file OW_HDBNode.cpp.
References hdl, m_pdata, and write().
Referenced by OW_NAMESPACE::GenericHDBRepository::addCIMObject(), and OW_NAMESPACE::HDBHandle::turnFlagsOn().

bool OW_NAMESPACE::HDBNode::updateData ( HDBHandle & hdl,

int dataLen,

const unsigned char * data

) [private]

Definition at line 313 of file OW_HDBNode.cpp.
References hdl, m_pdata, reload(), and write().
Referenced by OW_NAMESPACE::HDBHandle::updateNode().