org.picocontainer.gems.constraints
Class AbstractConstraint

java.lang.Object
  org.picocontainer.parameters.AbstractParameter
      org.picocontainer.parameters.CollectionComponentParameter
          org.picocontainer.gems.constraints.AbstractConstraint

All Implemented Interfaces:

Serializable, Constraint, Parameter

Direct Known Subclasses:

And, Anything, IsExactType, IsKey, IsKeyType, IsType, Not, Or

public abstract class AbstractConstraint
extends CollectionComponentParameter
implements Constraint

Base class for parameter constraints.

Author:

Nick Sieger

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.picocontainer.Parameter

Parameter.DelegateResolver, Parameter.NotResolved, Parameter.Resolver, Parameter.ValueResolver

Field Summary

Fields inherited from class org.picocontainer.parameters.CollectionComponentParameter

ARRAY, ARRAY_ALLOW_EMPTY

Fields inherited from interface org.picocontainer.Parameter

DEFAULT, ZERO

Constructor Summary

protected

AbstractConstraint() Construct an AbstractContraint.

Method Summary

abstract boolean	evaluate(ComponentAdapter adapter) Evaluate whether the given component adapter matches this constraint.
protected Map<Object,ComponentAdapter<?>>	getMatchingComponentAdapters(PicoContainer container, ComponentAdapter adapter, Class keyType, Class valueType)
Parameter.Resolver	resolve(PicoContainer container, ComponentAdapter<?> forAdapter, ComponentAdapter<?> injecteeAdapter, Type expectedType, NameBinding expectedNameBinding, boolean useNames, Annotation binding)
void	verify(PicoContainer container, ComponentAdapter<?> adapter, Type expectedType, NameBinding expectedNameBinding, boolean useNames, Annotation binding)

Methods inherited from class org.picocontainer.parameters.CollectionComponentParameter

accept

Methods inherited from class org.picocontainer.parameters.AbstractParameter

isResolvable, resolveInstance

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, isResolvable, resolveInstance

Constructor Detail

AbstractConstraint

protected AbstractConstraint()

Construct an AbstractContraint.

Method Detail

resolve

public Parameter.Resolver resolve(PicoContainer container,
                                  ComponentAdapter<?> forAdapter,
                                  ComponentAdapter<?> injecteeAdapter,
                                  Type expectedType,
                                  NameBinding expectedNameBinding,
                                  boolean useNames,
                                  Annotation binding)
                           throws PicoCompositionException

Specified by:

resolve in interface Parameter

Overrides:

resolve in class CollectionComponentParameter

Throws:

PicoCompositionException

verify

public void verify(PicoContainer container,
                   ComponentAdapter<?> adapter,
                   Type expectedType,
                   NameBinding expectedNameBinding,
                   boolean useNames,
                   Annotation binding)
            throws PicoCompositionException

Specified by:

verify in interface Parameter

Overrides:

verify in class CollectionComponentParameter

Throws:

PicoCompositionException

evaluate

public abstract boolean evaluate(ComponentAdapter adapter)

Description copied from interface: Constraint

Evaluate whether the given component adapter matches this constraint.

Specified by:

evaluate in interface Constraint

Overrides:

evaluate in class CollectionComponentParameter

Parameters:

adapter - a ComponentAdapter value

Returns:

true if the adapter matches the constraint

getMatchingComponentAdapters

protected Map<Object,ComponentAdapter<?>> getMatchingComponentAdapters(PicoContainer container,
                                                                       ComponentAdapter adapter,
                                                                       Class keyType,
                                                                       Class valueType)

Overrides:

getMatchingComponentAdapters in class CollectionComponentParameter