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ola::MemoryPreferences Class Reference
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Public Member Functions

 MemoryPreferences (const std::string name)
 
virtual bool Load ()
 
virtual bool Save () const
 
virtual void Clear ()
 
virtual std::string ConfigLocation () const
 The location of where these preferences are stored. More...
 
virtual void SetValue (const std::string &key, const std::string &value)
 Set a preference value, overriding the existing value. More...
 
virtual void SetValue (const std::string &key, unsigned int value)
 Set a preference value, overriding the existing value. This helper accepts an unsigned int. More...
 
virtual void SetValue (const std::string &key, int value)
 Set a preference value, overriding the existing value. This helper accepts an int. More...
 
virtual void SetMultipleValue (const std::string &key, const std::string &value)
 Adds this preference value to the store. More...
 
virtual void SetMultipleValue (const std::string &key, unsigned int value)
 Adds this preference value to the store. This helper accepts an unsigned int. More...
 
virtual void SetMultipleValue (const std::string &key, int value)
 Adds this preference value to the store. This helper accepts an int. More...
 
virtual bool SetDefaultValue (const std::string &key, const Validator &validator, const std::string &value)
 Set a preference value if it doesn't already exist, or if it exists and doesn't pass the validator. More...
 
virtual bool SetDefaultValue (const std::string &key, const Validator &validator, const char value[])
 Set a preference value if it doesn't already exist, or if it exists and doesn't pass the validator. This helper accepts a char array to force it to a string. More...
 
virtual bool SetDefaultValue (const std::string &key, const Validator &validator, unsigned int value)
 Set a preference value if it doesn't already exist, or if it exists and doesn't pass the validator. This helper accepts an unsigned int value. More...
 
virtual bool SetDefaultValue (const std::string &key, const Validator &validator, int value)
 Set a preference value if it doesn't already exist, or if it exists and doesn't pass the validator. This helper accepts an int value. More...
 
virtual bool SetDefaultValue (const std::string &key, const Validator &validator, bool value)
 Set a preference value if it doesn't already exist, or if it exists and doesn't pass the validator. This helper accepts a bool value. More...
 
virtual std::string GetValue (const std::string &key) const
 Get a preference value. More...
 
virtual std::vector< std::string > GetMultipleValue (const std::string &key) const
 Returns all preference values corresponding to this key. More...
 
virtual bool HasKey (const std::string &key) const
 Check if a preference key exists. More...
 
virtual void RemoveValue (const std::string &key)
 Remove a preference value. More...
 
virtual bool GetValueAsBool (const std::string &key) const
 Get a preference value as a bool. More...
 
virtual void SetValueAsBool (const std::string &key, bool value)
 Set a value as a bool. More...
 
bool operator== (const MemoryPreferences &other)
 
- Public Member Functions inherited from ola::Preferences
 Preferences (const std::string name)
 
virtual ~Preferences ()
 

Protected Types

typedef std::multimap
< std::string, std::string > 
PreferencesMap
 

Protected Attributes

PreferencesMap m_pref_map
 
- Protected Attributes inherited from ola::Preferences
std::string m_preference_name
 

Member Function Documentation

void ola::MemoryPreferences::Clear ( )
virtual

Clear the preferences

Implements ola::Preferences.

virtual std::string ola::MemoryPreferences::ConfigLocation ( ) const
inlinevirtual

The location of where these preferences are stored.

Returns
the location

Implements ola::Preferences.

Reimplemented in ola::FileBackedPreferences.

vector< string > ola::MemoryPreferences::GetMultipleValue ( const std::string &  key) const
virtual

Returns all preference values corresponding to this key.

Parameters
keythe key to fetch
Returns
a vector of strings.

Implements ola::Preferences.

string ola::MemoryPreferences::GetValue ( const std::string &  key) const
virtual

Get a preference value.

Parameters
keythe key to fetch
Returns
the value corresponding to key, or the empty string if the key doesn't exist.

Implements ola::Preferences.

bool ola::MemoryPreferences::GetValueAsBool ( const std::string &  key) const
virtual

Get a preference value as a bool.

Parameters
keythe key to fetch
Returns
true if the value is 'true' or false otherwise

Implements ola::Preferences.

bool ola::MemoryPreferences::HasKey ( const std::string &  key) const
virtual

Check if a preference key exists.

Parameters
keythe key to check
Returns
true if the key exists, false otherwise.

Implements ola::Preferences.

virtual bool ola::MemoryPreferences::Load ( )
inlinevirtual

Load the preferences from storage

Implements ola::Preferences.

Reimplemented in ola::FileBackedPreferences.

void ola::MemoryPreferences::RemoveValue ( const std::string &  key)
virtual

Remove a preference value.

Parameters
key

Implements ola::Preferences.

virtual bool ola::MemoryPreferences::Save ( ) const
inlinevirtual

Save the preferences to storage

Implements ola::Preferences.

Reimplemented in ola::FileBackedPreferences.

bool ola::MemoryPreferences::SetDefaultValue ( const std::string &  key,
const Validator validator,
const std::string &  value 
)
virtual

Set a preference value if it doesn't already exist, or if it exists and doesn't pass the validator.

Note
Note this only checks the first value's validity.
Parameters
keythe key to check/set
validatorA Validator object
valuethe new value
Returns
true if we set the value, false if it already existed

Implements ola::Preferences.

bool ola::MemoryPreferences::SetDefaultValue ( const std::string &  key,
const Validator validator,
const char  value[] 
)
virtual

Set a preference value if it doesn't already exist, or if it exists and doesn't pass the validator. This helper accepts a char array to force it to a string.

Note
Note this only checks the first value's validity.
Parameters
keythe key to check/set
validatorA Validator object
valuethe new value
Returns
true if we set the value, false if it already existed

Implements ola::Preferences.

bool ola::MemoryPreferences::SetDefaultValue ( const std::string &  key,
const Validator validator,
unsigned int  value 
)
virtual

Set a preference value if it doesn't already exist, or if it exists and doesn't pass the validator. This helper accepts an unsigned int value.

Note
Note this only checks the first value's validity.
Parameters
keythe key to check/set
validatorA Validator object
valuethe new value
Returns
true if we set the value, false if it already existed

Implements ola::Preferences.

bool ola::MemoryPreferences::SetDefaultValue ( const std::string &  key,
const Validator validator,
int  value 
)
virtual

Set a preference value if it doesn't already exist, or if it exists and doesn't pass the validator. This helper accepts an int value.

Note
Note this only checks the first value's validity.
Parameters
keythe key to check/set
validatorA Validator object
valuethe new value
Returns
true if we set the value, false if it already existed

Implements ola::Preferences.

bool ola::MemoryPreferences::SetDefaultValue ( const std::string &  key,
const Validator validator,
bool  value 
)
virtual

Set a preference value if it doesn't already exist, or if it exists and doesn't pass the validator. This helper accepts a bool value.

Note
Note this only checks the first value's validity.
Parameters
keythe key to check/set
validatorA Validator object
valuethe new value
Returns
true if we set the value, false if it already existed

Implements ola::Preferences.

void ola::MemoryPreferences::SetMultipleValue ( const std::string &  key,
const std::string &  value 
)
virtual

Adds this preference value to the store.

Parameters
key
value

Implements ola::Preferences.

void ola::MemoryPreferences::SetMultipleValue ( const std::string &  key,
unsigned int  value 
)
virtual

Adds this preference value to the store. This helper accepts an unsigned int.

Parameters
key
value

Implements ola::Preferences.

void ola::MemoryPreferences::SetMultipleValue ( const std::string &  key,
int  value 
)
virtual

Adds this preference value to the store. This helper accepts an int.

Parameters
key
value

Implements ola::Preferences.

void ola::MemoryPreferences::SetValue ( const std::string &  key,
const std::string &  value 
)
virtual

Set a preference value, overriding the existing value.

Parameters
key
value

Implements ola::Preferences.

void ola::MemoryPreferences::SetValue ( const std::string &  key,
unsigned int  value 
)
virtual

Set a preference value, overriding the existing value. This helper accepts an unsigned int.

Parameters
key
value

Implements ola::Preferences.

void ola::MemoryPreferences::SetValue ( const std::string &  key,
int  value 
)
virtual

Set a preference value, overriding the existing value. This helper accepts an int.

Parameters
key
value

Implements ola::Preferences.

void ola::MemoryPreferences::SetValueAsBool ( const std::string &  key,
bool  value 
)
virtual

Set a value as a bool.

Parameters
key
value

Implements ola::Preferences.


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