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# HashtableCore< T > Class Template Reference
[Common interfaces]

Inheritance diagram for HashtableCore< T >:

## Detailed Description

### template<class T>
class HashtableCore< T >

Common hashtable template.

Has no suppositions about templated object structure.

## Public Methods

| HashtableCore ()
| Default constructor.
| HashtableCore (int capacity, double loadFactor=DEFAULT_LOAD_FACTOR)
| Constructor with explicit hashtable size declaration.
virtual | ~HashtableCore ()
| Default Destructor.
bool | put (const String *key, T value)
| Puts object into hashtable.
bool | remove (const String *key)
| Removes object from hashtable.
const String * | key (int index) const
| Enumerates hashtable keys.
String * | enumerateKey () const
| Starts internal hashtable enumeration procedure on keys.
String * | nextkey () const
| Returns the next key object with current enumeration procedure.
void | clear ()
| Clears hashtable.
int | size () const
| Number of objects, currently stored in hashtable.

## Protected Methods

T * | enumerate_int () const
T * | next_int () const
void | rehash ()
HashtableCore & | operator= (HashtableCore &)

## Protected Attributes

int | csize
int | capacity
double | loadFactor
HashEntry< T > ** | bucket
HashEntry< T > * | enum_he
int | enum_bno

## Constructor & Destructor Documentation

template<class T>
HashtableCore< T >::HashtableCore | ( | int | capacity,
|  | double | loadFactor = DEFAULT_LOAD_FACTOR
| ) |

Constructor with explicit hashtable size declaration.

Parameters:

  capacity | Initial capacity of Hashtable
  loadFactor | Initial loadFactor (0 < loadFactor < 1)

## Member Function Documentation

template<class T>
bool HashtableCore< T >::put | ( | const String * | key,
|  | T | value
| ) |

Puts object into hashtable.

If such a key already exists, object is replaced.

Returns:
  true, if object is replaced, false, if new object is inserted.

template<class T>
bool HashtableCore< T >::remove | ( | const String * | key | ) |

Removes object from hashtable.

If there is no record, associated with `key,` method does nothing.

Returns:
  true, if object was removed

template<class T>
const String * HashtableCore< T >::key | ( | int | index | ) | const

Enumerates hashtable keys.

Parameters:

  index | Internal index. Must be less, than size()

template<class T>
String * HashtableCore< T >::enumerateKey | ( |  | ) | const

Starts internal hashtable enumeration procedure on keys.

Returns:
  First element's key value in a sequence, or null, if hashtable is empty.

template<class T>
String * HashtableCore< T >::nextkey | ( |  | ) | const

| Returns the next key object with current enumeration procedure. If hashtable state is changed, and nextkey() call occurs, exception is thrown. Note, that internal enumeration counter is one for keys and values methods - so, each of them iterates one sequence.

template<class T>
void HashtableCore< T >::clear | ( |  | ) |

| Clears hashtable. Deletes all objects, stored in it.

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Generated at Fri Sep 12 18:54:56 2003 by doxygen 1.3-rc2.