/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010 by Red Hat Inc and/or its affiliates or by
 * third-party contributors as indicated by either @author tags or express
 * copyright attribution statements applied by the authors.  All
 * third-party contributions are distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
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 */
package org.hibernate.metamodel.relational;

import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;

Convenience base class for implementing the ValueContainer contract centralizing commonality between modeling tables, views and inline views.
Author:Steve Ebersole
/** * Convenience base class for implementing the {@link ValueContainer} contract centralizing commonality * between modeling tables, views and inline views. * * @author Steve Ebersole */
public abstract class AbstractTableSpecification implements TableSpecification { private final static AtomicInteger tableCounter = new AtomicInteger( 0 ); private final int tableNumber; private final LinkedHashMap<String, SimpleValue> values = new LinkedHashMap<String, SimpleValue>(); private final PrimaryKey primaryKey = new PrimaryKey( this ); private final List<ForeignKey> foreignKeys = new ArrayList<ForeignKey>(); public AbstractTableSpecification() { this.tableNumber = tableCounter.getAndIncrement(); } @Override public int getTableNumber() { return tableNumber; } @Override public Iterable<SimpleValue> values() { return values.values(); } @Override public Column locateOrCreateColumn(String name) { if(values.containsKey( name )){ return (Column) values.get( name ); } final Column column = new Column( this, values.size(), name ); values.put( name, column ); return column; } @Override public DerivedValue locateOrCreateDerivedValue(String fragment) { if(values.containsKey( fragment )){ return (DerivedValue) values.get( fragment ); } final DerivedValue value = new DerivedValue( this, values.size(), fragment ); values.put( fragment, value ); return value; } @Override public Tuple createTuple(String name) { return new Tuple( this, name ); } @Override public Iterable<ForeignKey> getForeignKeys() { return foreignKeys; } @Override public ForeignKey createForeignKey(TableSpecification targetTable, String name) { ForeignKey fk = new ForeignKey( this, targetTable, name ); foreignKeys.add( fk ); return fk; } @Override public PrimaryKey getPrimaryKey() { return primaryKey; } }