Java Code Examples for org.hibernate.mapping.Column#isNullable()

The following examples show how to use org.hibernate.mapping.Column#isNullable() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: MapBinder.java    From lams with GNU General Public License v2.0 5 votes vote down vote up 
private void makeOneToManyMapKeyColumnNullableIfNotInProperty(
		final XProperty property) {
	final org.hibernate.mapping.Map map = (org.hibernate.mapping.Map) this.collection;
	if ( map.isOneToMany() &&
			property.isAnnotationPresent( MapKeyColumn.class ) ) {
		final Value indexValue = map.getIndex();
		if ( indexValue.getColumnSpan() != 1 ) {
			throw new AssertionFailure( "Map key mapped by @MapKeyColumn does not have 1 column" );
		}
		final Selectable selectable = indexValue.getColumnIterator().next();
		if ( selectable.isFormula() ) {
			throw new AssertionFailure( "Map key mapped by @MapKeyColumn is a Formula" );
		}
		Column column = (Column) map.getIndex().getColumnIterator().next();
		if ( !column.isNullable() ) {
			final PersistentClass persistentClass = ( ( OneToMany ) map.getElement() ).getAssociatedClass();
			// check if the index column has been mapped by the associated entity to a property;
			// @MapKeyColumn only maps a column to the primary table for the one-to-many, so we only
			// need to check "un-joined" properties.
			if ( !propertyIteratorContainsColumn( persistentClass.getUnjoinedPropertyIterator(), column ) ) {
				// The index column is not mapped to an associated entity property so we can
				// safely make the index column nullable.
				column.setNullable( true );
			}
		}
	}
}
Example 2
Source File: AbstractMultiTableBulkIdStrategyImpl.java    From lams with GNU General Public License v2.0 5 votes vote down vote up 
protected String buildIdTableCreateStatement(Table idTable, JdbcServices jdbcServices, MetadataImplementor metadata) {
	final JdbcEnvironment jdbcEnvironment = jdbcServices.getJdbcEnvironment();
	final Dialect dialect = jdbcEnvironment.getDialect();

	StringBuilder buffer = new StringBuilder( getIdTableSupport().getCreateIdTableCommand() )
			.append( ' ' )
			.append( jdbcEnvironment.getQualifiedObjectNameFormatter().format( idTable.getQualifiedTableName(), dialect ) )
			.append( " (" );

	Iterator itr = idTable.getColumnIterator();
	while ( itr.hasNext() ) {
		final Column column = (Column) itr.next();
		buffer.append( column.getQuotedName( dialect ) ).append( ' ' );
		buffer.append( column.getSqlType( dialect, metadata ) );
		if ( column.isNullable() ) {
			buffer.append( dialect.getNullColumnString() );
		}
		else {
			buffer.append( " not null" );
		}
		if ( itr.hasNext() ) {
			buffer.append( ", " );
		}
	}

	buffer.append( ") " );
	if ( getIdTableSupport().getCreateIdTableStatementOptions() != null ) {
		buffer.append( getIdTableSupport().getCreateIdTableStatementOptions() );
	}

	return buffer.toString();
}
Example 3
Source File: SpannerTableStatements.java    From google-cloud-spanner-hibernate with GNU Lesser General Public License v2.1 4 votes vote down vote up 
/**
 * Converts a {@link Column} into its column + type string; i.e. "col_name string not null"
 */
private String buildColumnTypeString(Column col, Metadata metadata) {
  return col.getQuotedName() + " " + col.getSqlType(this.spannerDialect, metadata)
      + (col.isNullable() ? this.spannerDialect.getNullColumnString() : " not null");
}