/*
* DBeaver - Universal Database Manager
* Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
*
* 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 org.jkiss.dbeaver.model.data;
import org.jkiss.code.NotNull;
import org.jkiss.code.Nullable;
import org.jkiss.dbeaver.DBException;
import org.jkiss.dbeaver.model.DBPDataSource;
import org.jkiss.dbeaver.model.runtime.DBRProgressMonitor;
import org.jkiss.dbeaver.model.struct.*;
import java.util.Collections;
import java.util.List;
/**
* Pseudo attribute
*/
public class DBDPseudoReferrer implements DBSEntityReferrer, DBSEntityAttributeRef {
private final DBSEntity entity;
private final DBDAttributeBinding binding;
public DBDPseudoReferrer(DBSEntity entity, DBDAttributeBinding binding) {
this.entity = entity;
this.binding = binding;
}
@Override
public List<? extends DBSEntityAttributeRef> getAttributeReferences(DBRProgressMonitor monitor) throws DBException
{
return Collections.singletonList(this);
}
@Nullable
@Override
public String getDescription()
{
final DBSEntityAttribute attribute = getAttribute();
return attribute == null ? null : attribute.getDescription();
}
@NotNull
@Override
public DBSEntity getParentObject()
{
return entity;
}
@NotNull
@Override
public DBPDataSource getDataSource()
{
return entity.getDataSource();
}
@NotNull
@Override
public DBSEntityConstraintType getConstraintType()
{
return DBSEntityConstraintType.PSEUDO_KEY;
}
@NotNull
@Override
public String getName()
{
return DBSEntityConstraintType.PSEUDO_KEY.getName();
}
@Override
public boolean isPersisted()
{
return true;
}
@NotNull
@Override
public DBSEntityAttribute getAttribute()
{
return binding.getEntityAttribute();
}
}