/*******************************************************************************
* Copyright 2006 - 2012 Vienna University of Technology,
* Department of Software Technology and Interactive Systems, IFS
*
* 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This work originates from the Planets project, co-funded by the European Union under the Sixth Framework Programme.
******************************************************************************/
package eu.scape_project.planning.model.scales;
import java.util.List;
import javax.persistence.DiscriminatorValue;
import javax.persistence.Entity;
import eu.scape_project.planning.model.values.FloatValue;
import eu.scape_project.planning.model.values.Value;
import eu.scape_project.planning.validation.ValidationError;
/**
* An float value to be used in the leaves of the objective tree
* @author Michael Kraxner
*
*/
@Entity
@DiscriminatorValue("F")
// We don't use the annotation NotNullField anymore, as the error message doesn't allow
// to specify the name of the leaf. So the error message is not very accurate. As we already
// have all methods available in the base class Scale we use them to check for restriction/unit.
// @NotNullField(fieldname="unit", message="Please enter a unit for the scale of type 'Number'")
public class FloatScale extends Scale {
private static final long serialVersionUID = -1933589584196479881L;
/**
* @see eu.scape_project.planning.model.scales.Scale#createValue()
*/
@Override
public Value createValue() {
Value v = new FloatValue();
v.setScale(this);
return v;
}
/**
* @see eu.scape_project.planning.model.scales.Scale#getDisplayName()
*/
@Override
public String getDisplayName() {
return "Number";
}
/**
* @see eu.scape_project.planning.model.scales.Scale#getType()
*/
@Override
public ScaleType getType() {
return ScaleType.value;
}
/**
* @see eu.scape_project.planning.model.scales.Scale#isCorrectlySpecified(java.lang.String, List)
*/
@Override
public boolean isCorrectlySpecified(String leafName,
List<ValidationError> errors) {
// if (getUnit() == null || "".equals(getUnit())) {
// errors.add(new ValidationError("Please enter a unit for the scale of type 'Number' at leaf '" + leafName + "'", this));
// return false;
// }
return true;
}
/**
* @see eu.scape_project.planning.model.scales.Scale#isEvaluated(eu.scape_project.planning.model.values.Value)
*/
@Override
public boolean isEvaluated(Value value) {
boolean evaluated = false;
if ((value != null) && (value instanceof FloatValue)) {
FloatValue v = (FloatValue)value;
evaluated = v.isChanged();
}
return evaluated;
}
/**
* An {@link FloatScale} is not restricted.
* @see eu.scape_project.planning.model.scales.Scale#isRestricted()
*/
@Override
public boolean isRestricted() {
return false;
}
}