org.picocontainer.gems.constraints
Class IsKey

java.lang.Object
  org.picocontainer.defaults.CollectionComponentParameter
      org.picocontainer.gems.constraints.AbstractConstraint
          org.picocontainer.gems.constraints.IsKey

All Implemented Interfaces:

java.io.Serializable, Constraint, org.picocontainer.Parameter

public class IsKey
extends AbstractConstraint

Constraint that accepts an adapter of a specific key.

Version:

1.1

Author:

Nick Sieger

See Also:

Serialized Form

Field Summary

private java.lang.Object

key

Fields inherited from class org.picocontainer.defaults.CollectionComponentParameter

ARRAY, ARRAY_ALLOW_EMPTY

Constructor Summary

IsKey(java.lang.Object key)
Creates a new IsKey instance.

Method Summary

boolean

evaluate(org.picocontainer.ComponentAdapter adapter) Evaluate whether the given component adapter matches this constraint.

Methods inherited from class org.picocontainer.gems.constraints.AbstractConstraint

getMatchingComponentAdapters, isResolvable, resolveInstance, verify

Methods inherited from class org.picocontainer.defaults.CollectionComponentParameter

accept

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.picocontainer.Parameter

accept

Field Detail

key

private java.lang.Object key

Constructor Detail

IsKey

public IsKey(java.lang.Object key)

Creates a new IsKey instance.

Parameters:

key - the key to match

Method Detail

evaluate

public boolean evaluate(org.picocontainer.ComponentAdapter adapter)

Description copied from interface: Constraint

Evaluate whether the given component adapter matches this constraint.

Specified by:

evaluate in interface Constraint

Specified by:

evaluate in class AbstractConstraint

Parameters:

adapter - a ComponentAdapter value

Returns:

true if the adapter matches the constraint