/**
* Copyright (C) 2010-2014 Morgner UG (haftungsbeschränkt)
*
* This file is part of Structr <http://structr.org>.
*
* Structr is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Structr 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with Structr. If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.core.property;
import org.structr.common.SecurityContext;
import org.structr.common.error.FrameworkException;
import org.structr.common.error.ReadOnlyPropertyToken;
import org.structr.core.GraphObject;
import org.structr.core.converter.PropertyConverter;
/**
* Abstract base class for read-only properties.
*
* @author Christian Morgner
*/
public abstract class AbstractReadOnlyProperty<T> extends Property<T> {
public AbstractReadOnlyProperty(String name) {
this(name, name);
}
public AbstractReadOnlyProperty(String name, T defaultValue) {
this(name, name, defaultValue);
}
public AbstractReadOnlyProperty(String jsonName, String dbName) {
this(jsonName, dbName, null);
}
public AbstractReadOnlyProperty(String jsonName, String dbName, T defaultValue) {
super(jsonName, dbName, defaultValue);
}
@Override
public Property<T> indexed() {
// related node properties are always passively indexed
// (because they can change without setProperty())
super.passivelyIndexed();
return this;
}
@Override
public String typeName() {
return ""; // read-only
}
@Override
public Object fixDatabaseProperty(Object value) {
return value;
}
@Override
public void setProperty(SecurityContext securityContext, GraphObject obj, T value) throws FrameworkException {
throw new FrameworkException(obj.getClass().getSimpleName(), new ReadOnlyPropertyToken(this));
}
@Override
public PropertyConverter<T, ?> databaseConverter(SecurityContext securityContext) {
return null;
}
@Override
public PropertyConverter<T, ?> databaseConverter(SecurityContext securityContext, GraphObject entity) {
return null;
}
@Override
public PropertyConverter<?, T> inputConverter(SecurityContext securityContext) {
return null;
}
@Override
public Object getValueForEmptyFields() {
return null;
}
}