Constructor Detail

Method Detail

• getName

   abstract String getName()

  Application context name

  Returns:

  Application context name

• getPermittedKeys

   abstract Set<Key<?>> getPermittedKeys()

  Keys permitted for this context. Empty set means all keys permitted.

  Implementations should allow setting up of PermittedKeys at time of context initialization

  Returns:

  set of permitted keys

• isKeyValid

   abstract Boolean isKeyValid(Key<?> key)

  Checks if key is valid for this context.

  Returns:

  key

• addIfNotPresent

   abstract <T extends Any> Unit addIfNotPresent(Key<T> key, T value)

  Add value for given key if not already present.

  This is semmantically same as

  if(!exists(key)) add(key, value) *

  Parameters:

  value - </T>

• addWithOverwrite

   abstract <T extends Any> Object addWithOverwrite(Key<T> key, T value)

  Add value for given key even if already present.

  Returns:

  Previous value associated with key if any or null </T>

• add

   abstract <T extends Any> Unit add(Key<T> key, T value)

  Add value for given key.

  Parameters:

  value - </T>

• exists

   abstract <T extends Any> Boolean exists(Key<T> key)

  Check if any value or null associated with give key

  Returns:

  true if value or null associated with give key otherwise false </T>

• fetch

   abstract <T extends Any> T fetch(Key<T> key)

  Fetch value associated with key or null

  Returns:

  value associated with key or null </T>

• erase

   abstract <T extends Any> T erase(Key<T> key)

  Erase value associated with key if any

  Returns:

  value associate with key or null </T>

• clear

   abstract Unit clear()

  Clear the entire context

• keySet

   abstract Set<Key<?>> keySet()

  Get a set of keys in context

  Returns:

  set of keys in context

• merge

   abstract Unit merge(ApplicationContext other, ApplicationContextMergeStrategy mergeStrategy)

  Merge other context with this using the given merge strategy

  Parameters:

  other - other context.

• clone

   abstract ApplicationContext clone(String cloneName, Set<Key<?>> clonePermittedKeys)

  Creates a clone of this context with passed cloneName and clonePermittedKeys. While cloning only the permittedKeys will be added

  Parameters:

  cloneName - name of the cloned ApplicationContext

  clonePermittedKeys - permittedKeys of the cloned ApplicationContext