org.picocontainer.gems.constraints
Class CollectionConstraint

java.lang.Object
  extended by org.picocontainer.parameters.CollectionComponentParameter
      extended by org.picocontainer.gems.constraints.CollectionConstraint
All Implemented Interfaces:
Serializable, Constraint, Parameter

public final class CollectionConstraint
extends CollectionComponentParameter
implements Constraint

Constraint that collects/aggregates dependencies to as many components that satisfy the given constraint.

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

Field Summary
protected  Constraint constraint
           
 
Fields inherited from class org.picocontainer.parameters.CollectionComponentParameter
ARRAY, ARRAY_ALLOW_EMPTY
 
Fields inherited from interface org.picocontainer.Parameter
DEFAULT, ZERO
 
Constructor Summary
CollectionConstraint(Constraint constraint)
           
CollectionConstraint(Constraint constraint, boolean emptyCollection)
           
 
Method Summary
 void accept(PicoVisitor visitor)
          Visit the current Parameter.
 boolean evaluate(ComponentAdapter adapter)
          Evaluate whether the given component adapter will be part of the collective type.
 
Methods inherited from class org.picocontainer.parameters.CollectionComponentParameter
getMatchingComponentAdapters, isResolvable, resolveInstance, verify
 
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
isResolvable, resolveInstance, verify
 

Field Detail

constraint

protected final Constraint constraint
Constructor Detail

CollectionConstraint

public CollectionConstraint(Constraint constraint)

CollectionConstraint

public CollectionConstraint(Constraint constraint,
                            boolean emptyCollection)
Method Detail

evaluate

public boolean evaluate(ComponentAdapter adapter)
Description copied from class: CollectionComponentParameter
Evaluate whether the given component adapter will be part of the collective type.

Specified by:
evaluate in interface Constraint
Overrides:
evaluate in class CollectionComponentParameter
Parameters:
adapter - a ComponentAdapter value
Returns:
true if the adapter takes part

accept

public void accept(PicoVisitor visitor)
Description copied from class: CollectionComponentParameter
Visit the current Parameter.

Specified by:
accept in interface Parameter
Overrides:
accept in class CollectionComponentParameter
Parameters:
visitor - the visitor.
See Also:
Parameter.accept(org.picocontainer.PicoVisitor)


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