/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of 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.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project 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
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.persistence.query;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;
@XmlRootElement(name = "enum")
public class EnumWhereOperand<E extends Enum<E>> extends WhereOperand<E> {
private String value;
private String type;
public EnumWhereOperand () {
}
public EnumWhereOperand (String type, E enumeration) {
this.type = type;
value = enumeration.name();
}
public static <E extends Enum<E>> EnumWhereOperand instance (String type, E enumeration) {
return new EnumWhereOperand<>(type, enumeration);
}
@Override
@XmlTransient
public E extract (WhereOperandTransformer transformer) {
Class<? extends Enum> enumClass;
if (transformer == null) {
throw new WhereValidationException("Translation of enum type(%s) requires an implementation of a WhereOperandTransformer", type);
}
if ((enumClass = transformer.getEnumType(type)) == null) {
throw new WhereValidationException("Missing a %s capable of transforming enum type(%s)", WhereOperandTransformer.class.getSimpleName(), type);
}
return (E)Enum.valueOf(enumClass, value);
}
@XmlElement(name = "type", required = true)
public String getType () {
return type;
}
public void setType (String type) {
this.type = type;
}
@XmlElement(name = "value", required = true)
public String getValue () {
return value;
}
public void setValue (String value) {
this.value = value;
}
}