org.picocontainer.gems.constraints
Class IsExactType

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

public class IsExactType
extends AbstractConstraint

Constraint that only accepts an adapter whose implementation is the same class instance as the type represented by this object.

Version:
1.1
Author:
Nick Sieger
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
IsExactType(java.lang.Class c)
          Creates a new IsExactType 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

IsExactType

public IsExactType(java.lang.Class c)
Creates a new IsExactType 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