org.picocontainer.gems.constraints
Class IsKeyType

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