org.picocontainer.gems.constraints
Class IsKeyType

java.lang.Object
  extended by org.picocontainer.defaults.CollectionComponentParameter
      extended by org.picocontainer.gems.constraints.AbstractConstraint
          extended by org.picocontainer.gems.constraints.IsKeyType
All Implemented Interfaces:
java.io.Serializable, Constraint, org.picocontainer.Parameter

public class IsKeyType
extends AbstractConstraint

Constraint that accepts an adapter whose key type is either the same type or a subtype of the type(s) represented by this object.

Version:
1.1
Author:
Nick Sieger, Jörg Schaible
See Also:
Serialized Form

Field Summary
private  java.lang.Class type
           
 
Fields inherited from class org.picocontainer.defaults.CollectionComponentParameter
ARRAY, ARRAY_ALLOW_EMPTY
 
Constructor Summary
IsKeyType(java.lang.Class c)
          Creates a new IsType 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

type

private java.lang.Class type
Constructor Detail

IsKeyType

public IsKeyType(java.lang.Class c)
Creates a new IsType instance.

Parameters:
c - the Class 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