Class HashMap

Object
   |
   +--HashMap

Direct Known Subclasses:

SessionAdapter, RequestAdapter

class HashMap

This is HashMap class - implementation of an object that maps keys to values.
Defined in HashMap.js

Constructor Detail

HashMap

HashMap()

Constructs an empty HashMap object.

Returns:
A new HashMap object

clear

void clear()

Removes all of the key/value pairs this map.

containsKey

boolean containsKey(<Object> key)

Returns true if this map contains the specified key.

Parameters:
key - The key whose presence in this map is to be tested.

Returns:
true If this map contains the specified key.

containsValue

boolean containsValue(<Object> value)

Returns true if this map contains the specified value.

Parameters:
value - The value whose presence in this map is to be tested.

Returns:
true If this map contains the specified value.

get

Object get(<Object> key)

Returns value for the key.

Parameters:
key - The key whose value in this map is to be returned.

Returns:
The value if found or undefined if not found and isValidating flag is not set.

Throws:
- Error If the key is not found.

init

HashMap init()

Initializes an empty HashMap.

Returns:
HashMap object instance itself

isEmpty

boolean isEmpty()

Tests if this map has no elements.

Returns:
true If this map has no elements; false otherwise.

keySet

Array keySet()

Returns an array of the keys contained in this map.

Returns:
A an array of the keys contained in this map.

populate

void populate(collection)

Populates this map with key/value pairs from the specified collection. Where the value is ArrayList containing one or more values per key. It adapts one ASP collection object to HashMap object.

put

Object put(<Object> key, <Object> value)

Associates the specified value with the specified key in this map. If the map previously contained a mapping for this key, the old value is replaced by the specified value.

Parameters:
key - The key with which the specified value is to be associated.
value - The value to be associated with the specified key.

Returns:
The previous value associated with specified key, or undefined if there was no mapping for key.

putAll

void putAll(<Object> values)

Copies all of the mappings from the specified map to this map.

Parameters:
values - Mappings to be stored in this map.

remove

Object remove(<Object> key)

Removes the mapping for this key from this map if it is present.

Parameters:
key - The key whose mapping is to be removed from the map.

Returns:
The previous value associated with specified key, or undefined if there was no mapping for key.

size

int size()

Returns the number of key-value mappings in this map.

Returns:
The number of key-value mappings in this map.