/*
* The Kuali Financial System, a comprehensive financial management system for higher education.
*
* Copyright 2005-2014 The Kuali Foundation
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.kuali.rice.core.api.parameter;
import java.io.Serializable;
/**
* This is a stateful wrapper for Parameters, which provides convenient methods to evaluate a constrained value against a Parameter.
*/
public interface ParameterEvaluator extends Serializable {
/**
* This method determines whether the constrainedValue specified when the ParameterEvaluator was created matches the parameter.
*
* @return boolean indicating whether the constrained value adheres to the restriction specified by the combination of the
* parameter constraint and the parameter value
*/
public boolean evaluationSucceeds();
/**
* This method uses the evaluateAndAddError method. It passes the constrainedPropertyName as both the constrainedPropertyName
* and the userEditablePropertyName, i.e. it should be used when they are one and the same.
*
* @param businessObjectOrDocumentClass
* @param constrainedPropertyName
* @return boolean indicating whether evaluation succeeded (see evaluationSucceeds)
*/
public boolean evaluateAndAddError(Class<? extends Object> businessObjectOrDocumentClass, String constrainedPropertyName);
/**
* This method uses the evaluationSucceeds method to evaluate the constrainedValue. If evaluation does not succeed, it adds an
* error for the user. The businessObjectOrDocumentClass, nameOfConstrainedProperty and userEditablePropertyName are used by
* ParameterEvaluatorImpl to retrieve user friendly labels for the error message. The constrainedPropertyName corresponds to the
* field that has the value that the parameter is evaluating. The userEditablePropertyName corresponds to the field that has the
* value the user needs to correct to resolve the error. For example, the object type may be invalid, but the user needs to
* change the object code in order to remedy that.
*
* @param businessObjectOrDocumentClass
* @param userEditableFieldToHighlight
* @param nameOfconstrainedProperty
* @return boolean indicating whether evaluation succeeded (see evaluationSucceeds)
*/
public boolean evaluateAndAddError(Class<? extends Object> businessObjectOrDocumentClass, String constrainedPropertyName, String userEditablePropertyName);
/**
* This method determines whether the parameter lists allowed values or denied values.
*
* @return boolean indicating whether the parameter lists allowed values
*/
public boolean constraintIsAllow();
/**
* This method creates a pretty String representation of parameter values for the user messages.
*
* @return user-friendly String representation of Parameter values
*/
public String getParameterValuesForMessage();
/**
* This method returns the value of the correspnding Parameter.
*
* @return String value of underlying Parameter
*/
public String getValue();
}