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• 2.5.15
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• DelegateAccess.java

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net.sf.cuf.model.DelegateAccess Maven / Gradle / Ivy

package net.sf.cuf.model;

/**
 * This interface should be implemented by ValueModels that map or transform their value.

 * This is mainly usefull for users of AspectAdapter's and TypeConverter's that
 * monitor a value inside a List to transform the values of the same list, but
 * do not to want to change the selection of the list.
 * The major use case is the mapping of a List to a Java Swing TableModel, see
 * net.sf.cuf.model.ui.ListTableMapper for details.
 */
public interface DelegateAccess
{
    /**
     * Transform the handed value to a new value according to the current
     * transformation rules.
     * This should not change the current value or trigger any updates if the object
     * is implements also the ValueModel interface.
     * @param pValue the value we should assume as our value
     * @return null or the transformed/mapped value object
     */
    Object getValue(Object pValue);
}