net.sf.mmm.util.pojo.descriptor.impl.accessor
Class PojoPropertyAccessorProxyGetSize

java.lang.Object
  net.sf.mmm.util.pojo.descriptor.base.accessor.AbstractPojoPropertyAccessor
      net.sf.mmm.util.pojo.descriptor.base.accessor.AbstractPojoPropertyAccessorProxy
          net.sf.mmm.util.pojo.descriptor.base.accessor.AbstractPojoPropertyAccessorProxyAdapter
              net.sf.mmm.util.pojo.descriptor.impl.accessor.PojoPropertyAccessorProxyGetSize

All Implemented Interfaces:

PojoPropertyAccessor, PojoPropertyAccessorNonArg, PojoAttributeName

public class PojoPropertyAccessorProxyGetSize
extends AbstractPojoPropertyAccessorProxyAdapter
implements PojoPropertyAccessorNonArg

This is the implementation of the PojoPropertyAccessorNonArg interface for getting the size of an array, List or Map from another accessor.

Since:

1.1.0

Author:

Joerg Hohwiller (hohwille at users.sourceforge.net)

Constructor Summary

PojoPropertyAccessorProxyGetSize(PojoDescriptorDependencies dependencies, PojoPropertyAccessorNonArg containerGetAccessor)
The constructor.

Method Summary

PojoPropertyAccessorNonArgMode	getMode() This method gets the mode of this accessor.
Class<?>	getPropertyClass() This method gets the type as Class.
GenericType<?>	getPropertyType() This method gets the GenericType of this property.
Class<?>	getReturnClass() This method gets the Class of the object returned when this accessor is invoked.
GenericType<?>	getReturnType() This method gets the GenericType of the object returned when this accessor is invoked.
Object	invoke(Object pojoInstance) This method invokes the according property-method of pojoInstance with the given arguments.

Methods inherited from class net.sf.mmm.util.pojo.descriptor.base.accessor.AbstractPojoPropertyAccessorProxyAdapter

getDelegate, getDependencies

Methods inherited from class net.sf.mmm.util.pojo.descriptor.base.accessor.AbstractPojoPropertyAccessorProxy

getAccessibleObject, getDeclaringClass, getModifiers, getName

Methods inherited from class net.sf.mmm.util.pojo.descriptor.base.accessor.AbstractPojoPropertyAccessor

toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface net.sf.mmm.util.pojo.descriptor.api.accessor.PojoPropertyAccessor

getAccessibleObject, getDeclaringClass, getModifiers

Methods inherited from interface net.sf.mmm.util.pojo.descriptor.api.attribute.PojoAttributeName

getName

Constructor Detail

PojoPropertyAccessorProxyGetSize

public PojoPropertyAccessorProxyGetSize(PojoDescriptorDependencies dependencies,
                                        PojoPropertyAccessorNonArg containerGetAccessor)

The constructor.

Parameters:

dependencies - are the PojoDescriptorDependencies to use.

containerGetAccessor - is the accessor delegate that gets an array, map or collection property.

Method Detail

getMode

public PojoPropertyAccessorNonArgMode getMode()

This method gets the mode of this accessor.

Specified by:

getMode in interface PojoPropertyAccessor

Specified by:

getMode in interface PojoPropertyAccessorNonArg

Overrides:

getMode in class AbstractPojoPropertyAccessorProxy

Returns:

the access mode.

getPropertyType

public GenericType<?> getPropertyType()

This method gets the GenericType of this property.
For a getter this will be the return-type while a setter typically has void as return-type and this method will return the type of its argument. For mapped or indexed getters/setters this method will return the item type.

Specified by:

getPropertyType in interface PojoPropertyAccessor

Overrides:

getPropertyType in class AbstractPojoPropertyAccessorProxy

Returns:

the GenericType reflecting the property.

See Also:

PojoPropertyAccessor.getPropertyClass(), PropertyDescriptor

getPropertyClass

public Class<?> getPropertyClass()

This method gets the type as Class. It is a convenience method for PojoPropertyAccessor.getPropertyType(). getUpperBound() if the mode is for reading and PojoPropertyAccessor.getPropertyType(). getLowerBound() otherwise.

Specified by:

getPropertyClass in interface PojoPropertyAccessor

Overrides:

getPropertyClass in class AbstractPojoPropertyAccessorProxy

Returns:

the Class reflecting the property.

getReturnType

public GenericType<?> getReturnType()

This method gets the GenericType of the object returned when this accessor is invoked.

Specified by:

getReturnType in interface PojoPropertyAccessor

Overrides:

getReturnType in class AbstractPojoPropertyAccessorProxy

Returns:

the return type.

See Also:

Method.getGenericReturnType(), Field.getGenericType()

getReturnClass

public Class<?> getReturnClass()

This method gets the Class of the object returned when this accessor is invoked.
is a convenience method for PojoPropertyAccessor.getReturnType(). getUpperBound()

Specified by:

getReturnClass in interface PojoPropertyAccessor

Overrides:

getReturnClass in class AbstractPojoPropertyAccessorProxy

Returns:

the return class.

See Also:

Method.getReturnType(), Field.getType()

invoke

public Object invoke(Object pojoInstance)

This method invokes the according property-method of pojoInstance with the given arguments.

Specified by:

invoke in interface PojoPropertyAccessorNonArg

Parameters:

pojoInstance - is the instance of the POJO where to access the property. Has to be an instance of the type from where this accessor was created for.

Returns:

the result of the invocation. It will be null if void (e.g. initialize method). For a regular getter this will be the value of the property.