/*******************************************************************************
* Copyright 2013 Analog Devices, Inc.
*
* 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.
********************************************************************************/
package com.analog.lyric.dimple.model.values;
import java.util.Objects;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import com.analog.lyric.dimple.model.domains.DiscreteDomain;
class GenericDiscreteValue extends DiscreteValue
{
/*-------
* State
*/
private static final long serialVersionUID = 1L;
protected final DiscreteDomain _domain;
protected Object _value;
protected int _index;
/*--------------
* Construction
*/
GenericDiscreteValue(Object value, DiscreteDomain domain, int index)
{
this._domain = domain;
this._value = value;
this._index = index;
}
GenericDiscreteValue(DiscreteDomain domain, int index)
{
this(domain.getElement(index), domain, index);
}
GenericDiscreteValue(DiscreteDomain domain)
{
this(domain, 0);
}
GenericDiscreteValue(GenericDiscreteValue that)
{
this(that._value, that._domain, that._index);
}
@Override
public GenericDiscreteValue clone()
{
return new GenericDiscreteValue(this);
}
/*---------------
* Value methods
*/
@Override
public void setFrom(Value other)
{
if (_domain.equals(other.getDomain()))
{
_value = Objects.requireNonNull(other.getObject());
_index = other.getIndex();
}
else
{
setObject(other.getObject());
}
}
@Override
public DiscreteDomain getDomain()
{
return _domain;
}
@Override
public final @NonNull Object getObject()
{
return _value;
}
@Override
public final void setObject(@Nullable Object value)
{
Objects.requireNonNull(value);
_index = _domain.getIndex(value);
_value = value;
}
@Override
public final int getIndex() {return _index;}
@Override
public final void setIndex(int index)
{
_value = _domain.getElement(index);
_index = index;
}
@Override
public final boolean valueEquals(Value other)
{
if (_domain.equals(other.getDomain()))
{
return _index == other.getIndex();
}
return super.valueEquals(other);
}
}