Scala example source code file (ParameterInfo.java)

This example Scala source code file (ParameterInfo.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

attributes, attributes, customattributeprovider, isoptional, isretval, name, name, parameterinfo, parameterinfo, parametertype, parametertype, position, string, type

The Scala ParameterInfo.java source code

/*
 * System.Reflection-like API for access to .NET assemblies (DLL & EXE)
 */


package ch.epfl.lamp.compiler.msil;

/**
 * Discovers the attributes of a parameter and provides access to
 * parameter metadata.
 *
 * @author Nikolay Mihaylov
 * @version 1.0
 */
public class ParameterInfo extends CustomAttributeProvider {

    //##########################################################################

    /** Attributes of the parameter. */
    public final short Attributes;

    /** Name of the parameter. */
    public final String Name;

    /** Type of the parameter. */
    public final Type ParameterType;

    /** Position of the parameter in the parameter list. */
    public final int Position;

    //##########################################################################

    /** Is this an input parameter? */
    public final boolean IsIn() {
        return (Attributes & ParameterAttributes.In) != 0;
    }

    /** Is this an output parameter? */
    public final boolean IsOut() {
        return (Attributes & ParameterAttributes.Out) != 0;
    }

    /** Is this an Lcid? */
    public final boolean IsLcid() {
        return (Attributes & ParameterAttributes.Lcid) != 0;
    }

    /** Is this a return value? */
    public final boolean IsRetval() {
        return (Attributes & ParameterAttributes.Retval) != 0;
    }

    /** Is this an optional parameter? */
    public final boolean IsOptional() {
        return (Attributes & ParameterAttributes.Optional) != 0;
    }

    //##########################################################################
    // members not part of the public Reflection.ParameterInfo interface

    /** Initializes a new instance of the ParameterInfo class. */
    protected ParameterInfo(String name, Type type, int attr, int pos) {
	Name = name;
	ParameterType = type;
	Attributes = (short)attr;
	Position = pos;
    }

    public String toString() {
        return ParameterAttributes.toString(Attributes) + ParameterType + " "
            + Name;
    }

    //##########################################################################

}  // class ParameterInfo