jas.statistics.reflectors
Class StringInvoker

java.lang.Object
  jas.statistics.reflectors.StringInvoker

All Implemented Interfaces:

IStringSource

public class StringInvoker
extends java.lang.Object
implements IStringSource

Not of interest for users. It uses java reflection to call objects' methods which return string values. It is used by database objects.

Title: JAS

Description: Java Agent-based Simulation library

Copyright (C) 2002 Michele Sonnessa

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.

Author:

Michele Sonnessa

Field Summary

Fields inherited from interface jas.statistics.IStringSource

DEFAULT

Constructor Summary

StringInvoker(java.lang.Class target, java.lang.String fieldName, boolean isMethod)
Constructor.

StringInvoker(java.lang.Object target, java.lang.String fieldName, boolean isMethod)
Constructor.

Method Summary

java.lang.String[]	getCollectionValue(java.util.Collection c)
java.lang.String	getString() Invoke the method of the object passed to constructor and return its double result.
java.lang.String	getString(java.lang.Object target) Invoke the method of the target object and return its string result.
java.lang.String	getStringValue(int valueID) This is an implementation of the IDblSource interface.
static boolean	isStringSource(java.lang.Class trgClass, java.lang.String varName, boolean isMethod)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StringInvoker

public StringInvoker(java.lang.Class target,
                     java.lang.String fieldName,
                     boolean isMethod)

Constructor.

Parameters:

target - It is the class of the target object.

fieldName - A string representing the name of the method to invoke.

isMethod - If true the fieldName is a method, otherwise it is a property of the object.

StringInvoker

public StringInvoker(java.lang.Object target,
                     java.lang.String fieldName,
                     boolean isMethod)

Constructor.

Parameters:

target - It is the target object.

fieldName - A string representing the name of the method to invoke.

isMethod - If true the fieldName is a method, otherwise it is a property of the object.

Method Detail

getCollectionValue

public java.lang.String[] getCollectionValue(java.util.Collection c)

getString

public java.lang.String getString()

Invoke the method of the object passed to constructor and return its double result.

Returns:

The requested double value.

getString

public java.lang.String getString(java.lang.Object target)

Invoke the method of the target object and return its string result.

Parameters:

target - Object to be invoked.

Returns:

The requested string value.

getStringValue

public java.lang.String getStringValue(int valueID)

This is an implementation of the IDblSource interface. It calls the getDouble() method.

Specified by:

getStringValue in interface IStringSource

Parameters:

valueID - This parameter is ignored. It is put for compatibility with the IDblSource interface.

Returns:

The requested double value.

isStringSource

public static boolean isStringSource(java.lang.Class trgClass,
                                     java.lang.String varName,
                                     boolean isMethod)