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* See the NOTICE file distributed with this work for additional information
* regarding copyright ownership.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
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******************************************************************************/
package hr.fer.zemris.vhdllab.applets.editor.schema2.model.parameters.constraints;
import hr.fer.zemris.vhdllab.applets.editor.schema2.enums.EConstraintExplanation;
import hr.fer.zemris.vhdllab.applets.editor.schema2.interfaces.IParameterConstraint;
import java.util.Set;
public class DecimalConstraint implements IParameterConstraint {
private Set<Object> validset;
/**
* Konstruira constraint
* koji nema ogranicenja na vrijednosti,
* tj. moze poprimiti bilo koji cijeli broj.
*
*/
public DecimalConstraint() {
validset = null;
}
/**
* Stvara constraint kojem je moguce
* podesiti koje vrijednosti prihvaca.
*
* @param validValues
* Null ako su sve vrijednosti dopustene,
* neki Set<Object> inace.
*/
public DecimalConstraint(Set<Object> validValues) {
validset = validValues;
}
public boolean checkValue(Object object) {
if (object == null) return false;
if (!(object instanceof Double)) return false;
if (validset == null) return true;
Double val = (Double)object;
if (!validset.contains(val)) return false;
return true;
}
public EConstraintExplanation getExplanation(Object object) {
if (object == null) return EConstraintExplanation.NULL_PASSED;
if (!(object instanceof Double)) return EConstraintExplanation.WRONG_TYPE;
if (validset == null) return EConstraintExplanation.ALLOWED;
Double val = (Double)object;
if (!(validset.contains(val))) return EConstraintExplanation.CONSTRAINT_BANNED;
return EConstraintExplanation.ALLOWED;
}
public Set<Object> getPossibleValues() {
return validset;
}
public void setPossibleValues(Set<Object> possibleValues) {
validset = possibleValues;
}
}