/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, 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.cfg;
import java.util.Map;
import org.hibernate.AnnotationException;
import org.hibernate.MappingException;
import org.hibernate.mapping.Column;
import org.hibernate.mapping.Table;
/**
* @author Emmanuel Bernard
*/
public class IndexOrUniqueKeySecondPass implements SecondPass {
private Table table;
private final String indexName;
private final String[] columns;
private final Mappings mappings;
private final Ejb3Column column;
private final boolean unique;
/**
* Build an index
*/
public IndexOrUniqueKeySecondPass(Table table, String indexName, String[] columns, Mappings mappings) {
this.table = table;
this.indexName = indexName;
this.columns = columns;
this.mappings = mappings;
this.column = null;
this.unique = false;
}
/**
* Build an index
*/
public IndexOrUniqueKeySecondPass(String indexName, Ejb3Column column, Mappings mappings) {
this( indexName, column, mappings, false );
}
/**
* Build an index if unique is false or a Unique Key if unique is true
*/
public IndexOrUniqueKeySecondPass(String indexName, Ejb3Column column, Mappings mappings, boolean unique) {
this.indexName = indexName;
this.column = column;
this.columns = null;
this.mappings = mappings;
this.unique = unique;
}
public void doSecondPass(Map persistentClasses) throws MappingException {
if ( columns != null ) {
for (String columnName : columns) {
addConstraintToColumn( columnName );
}
}
if ( column != null ) {
this.table = column.getTable();
addConstraintToColumn( mappings.getLogicalColumnName( column.getMappingColumn().getQuotedName(), table ) );
}
}
private void addConstraintToColumn(String columnName) {
Column column = table.getColumn(
new Column(
mappings.getPhysicalColumnName( columnName, table )
)
);
if ( column == null ) {
throw new AnnotationException(
"@Index references a unknown column: " + columnName
);
}
if ( unique )
table.getOrCreateUniqueKey( indexName ).addColumn( column );
else
table.getOrCreateIndex( indexName ).addColumn( column );
}
}