/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, Red Hat Inc. or third-party contributors as
* indicated by the @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
* Boston, MA 02110-1301 USA
*/
package org.hibernate.metamodel.relational.state;
import org.hibernate.MappingException;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.metamodel.relational.Column;
import org.hibernate.metamodel.relational.DerivedValue;
import org.hibernate.metamodel.relational.SimpleValue;
import org.hibernate.metamodel.relational.TableSpecification;
import org.hibernate.metamodel.relational.Tuple;
import org.hibernate.metamodel.relational.Value;
/**
* @author Gail Badner
*/
public class ValueCreator {
public static Column createColumn(TableSpecification table,
String attributeName,
ColumnRelationalState state,
boolean forceNonNullable,
boolean forceUnique
) {
final String explicitName = state.getExplicitColumnName();
final String logicalColumnName = state.getNamingStrategy().logicalColumnName( explicitName, attributeName );
String columnName =
explicitName == null ?
state.getNamingStrategy().propertyToColumnName( attributeName ) :
state.getNamingStrategy().columnName( explicitName );
// todo : find out the purpose of these logical bindings
// mappings.addColumnBinding( logicalColumnName, column, table );
if ( columnName == null ) {
throw new IllegalArgumentException( "columnName must be non-null." );
}
if( state.isGloballyQuotedIdentifiers()){
columnName = StringHelper.quote( columnName );
}
Column value = table.getOrCreateColumn( columnName );
value.initialize( state, forceNonNullable, forceUnique );
return value;
}
public static DerivedValue createDerivedValue(TableSpecification table,
DerivedValueRelationalState state) {
return table.getOrCreateDerivedValue( state.getFormula() );
}
public static SimpleValue createSimpleValue(TableSpecification table,
String attributeName,
SimpleValueRelationalState state,
boolean forceNonNullable,
boolean forceUnique
) {
if ( state instanceof ColumnRelationalState ) {
ColumnRelationalState columnRelationalState = ColumnRelationalState.class.cast( state );
return createColumn( table, attributeName, columnRelationalState, forceNonNullable, forceUnique );
}
else if ( state instanceof DerivedValueRelationalState ) {
return createDerivedValue( table, DerivedValueRelationalState.class.cast( state ) );
}
else {
throw new MappingException( "unknown relational state:" + state.getClass().getName() );
}
}
public static Tuple createTuple(TableSpecification table,
String attributeName,
TupleRelationalState state,
boolean forceNonNullable,
boolean forceUnique
) {
Tuple tuple = table.createTuple( "[" + attributeName + "]" );
for ( SimpleValueRelationalState valueState : state.getRelationalStates() ) {
tuple.addValue( createSimpleValue( table, attributeName, valueState, forceNonNullable, forceUnique ) );
}
return tuple;
}
public static Value createValue(TableSpecification table,
String attributeName,
ValueRelationalState state,
boolean forceNonNullable,
boolean forceUnique) {
Value value = null;
if ( SimpleValueRelationalState.class.isInstance( state ) ) {
value = createSimpleValue(
table,
attributeName,
SimpleValueRelationalState.class.cast( state ),
forceNonNullable,
forceUnique
);
}
else if ( TupleRelationalState.class.isInstance( state ) ) {
value = createTuple(
table,
attributeName,
TupleRelationalState.class.cast( state ),
forceNonNullable,
forceUnique
);
}
else {
throw new MappingException( "Unexpected type of RelationalState" + state.getClass().getName() );
}
return value;
}
}