Fujitsu J Adapter Class Generator Uživatelský manuál stáhnout pdf (Strana 47)

Chapter 5. Adapter Class Reference 47

FJ-JAVA-BASE class

The FJ-JAVA-BASE class is the super class of every adapter class.

The FJ-JAVA-BASE class has the methods shown below.

Method name Type Function

J-NARROW Factory Assigns an object to a subclass.

J-DUPLICATE Object Duplicates an adapter object.

J-EQUALS Object Checks whether the Java objects indicated by two adapter

objects are equal.

J-NARROW Method (factory method)

Explanation

This method assigns an adapter object to a subclass.

Syntax

INVOKE

class-name

J-NARROW

" USING

object-1

RETURNING

object-2

Parameter and return value

class-name:

Specifies the class name of assignment target data.

• object-1 (attribute: OBJECT REFERENCE FJ-JAVA-BASE)

Specifies the object to be assigned.

• object-2 (attribute: OBJECT REFERENCE SELF)

Returns the object that was converted into the assignment target class.

J-DUPLICATE Method (object method)

Explanation

This method duplicates an adapter object. It duplicates no Java object. A duplicated

adapter object points to the same Java object as the original adapter object.

Syntax

INVOKE

anObject

"J-DUPLICATE" RETURNING

duplicatedObject

Parameter and return value

• anObject (attribute: OBJECT REFERENCE adapter class)

Specifies the adapter object to be duplicated.

• duplicatedObject (attribute: OBJECT REFERENCE CLASS OF SELF)

Returns the duplicated object.

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Fujitsu J Adapter Class Generator Uživatelský manuál Strana 47