Package microsim.reflection
Class DoubleValueExtractor
- java.lang.Object
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- microsim.reflection.DoubleValueExtractor
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public class DoubleValueExtractor extends java.lang.Object
Not of interest for users. It uses java reflection to call objects' methods which return double values. It is used by Statistics 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
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Constructor Summary
Constructors Constructor Description DoubleValueExtractor(java.lang.Class<?> target, java.lang.String fieldName, boolean isMethod)
Constructor.DoubleValueExtractor(java.lang.Object target, java.lang.String fieldName, boolean isMethod)
Constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description double[]
getCollectionValue(java.util.Collection<?> c)
double
getDouble()
Invoke the method of the object passed to constructor and return its double result.double
getDouble(java.lang.Object target)
Invoke the method of the target object and return its double result.double
getDoubleValue(int valueID)
This is an implementation of the IDblSource interface.
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Constructor Detail
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DoubleValueExtractor
public DoubleValueExtractor(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.
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DoubleValueExtractor
public DoubleValueExtractor(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.
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Method Detail
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getDouble
public double getDouble(java.lang.Object target)
Invoke the method of the target object and return its double result.- Parameters:
target
- Object to be invoked.- Returns:
- The requested double value.
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getDouble
public double getDouble()
Invoke the method of the object passed to constructor and return its double result.- Returns:
- The requested double value.
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getDoubleValue
public double getDoubleValue(int valueID)
This is an implementation of the IDblSource interface. It calls the getDouble() method.- Parameters:
valueID
- This parameter is ignored. It is put for compatibility with the IDblSource interface.- Returns:
- The requested double value.
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getCollectionValue
public double[] getCollectionValue(java.util.Collection<?> c)
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