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The core O/RM functionality as provided by Hibernate
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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or .
 */
package org.hibernate.cfg;
import java.util.Map;
import javax.persistence.OrderColumn;

import org.hibernate.boot.spi.MetadataBuildingContext;
import org.hibernate.mapping.Join;

/**
 * index column
 *
 * @author inger
 */
public class IndexColumn extends Ejb3Column {
	private int base;

	// TODO move to a getter setter strategy for readability
	public IndexColumn(
			boolean isImplicit,
			String sqlType,
			int length,
			int precision,
			int scale,
			String name,
			boolean nullable,
			boolean unique,
			boolean insertable,
			boolean updatable,
			String secondaryTableName,
			Map joins,
			PropertyHolder propertyHolder,
			MetadataBuildingContext buildingContext) {
		super();
		setImplicit( isImplicit );
		setSqlType( sqlType );
		setLength( length );
		setPrecision( precision );
		setScale( scale );
		setLogicalColumnName( name );
		setNullable( nullable );
		setUnique( unique );
		setInsertable( insertable );
		setUpdatable( updatable );
		setExplicitTableName( secondaryTableName );
		setPropertyHolder( propertyHolder );
		setJoins( joins );
		setBuildingContext( buildingContext );
		bind();
	}

	public int getBase() {
		return base;
	}

	public void setBase(int base) {
		this.base = base;
	}

	/**
	 * JPA 2 {@link OrderColumn @OrderColumn} processing.
	 *
	 * @param ann The OrderColumn annotation instance
	 * @param propertyHolder Information about the property
	 * @param inferredData Yeah, right.  Uh...
	 * @param secondaryTables Any secondary tables available.
	 *
	 * @return The index column
	 */
	public static IndexColumn buildColumnFromAnnotation(
			OrderColumn ann,
			PropertyHolder propertyHolder,
			PropertyData inferredData,
			Map secondaryTables,
			MetadataBuildingContext buildingContext) {
		final IndexColumn column;
		if ( ann != null ) {
			final String sqlType = BinderHelper.isEmptyAnnotationValue( ann.columnDefinition() ) ? null : ann.columnDefinition();
			final String name = BinderHelper.isEmptyAnnotationValue( ann.name() ) ? inferredData.getPropertyName() + "_ORDER" : ann.name();
			//TODO move it to a getter based system and remove the constructor
// The JPA OrderColumn annotation defines no table element...
//			column = new IndexColumn(
//					false, sqlType, 0, 0, 0, name, ann.nullable(),
//					false, ann.insertable(), ann.updatable(), ann.table(),
//					secondaryTables, propertyHolder, mappings
//			);
			column = new IndexColumn(
					false,
					sqlType,
					0,
					0,
					0,
					name,
					ann.nullable(),
					false,
					ann.insertable(),
					ann.updatable(),
					/*ann.table()*/null,
					secondaryTables,
					propertyHolder,
					buildingContext
			);
		}
		else {
			column = new IndexColumn(
					true,
					null,
					0,
					0,
					0,
					null,
					true,
					false,
					true,
					true,
					null,
					null,
					propertyHolder,
					buildingContext
			);
		}
		return column;
	}

	/**
	 * Legacy {@link IndexColumn @IndexColumn} processing.
	 *
	 * @param ann The IndexColumn annotation instance
	 * @param propertyHolder Information about the property
	 * @param inferredData Yeah, right.  Uh...
	 *
	 * @return The index column
	 */
	public static IndexColumn buildColumnFromAnnotation(
			org.hibernate.annotations.IndexColumn ann,
			PropertyHolder propertyHolder,
			PropertyData inferredData,
			MetadataBuildingContext buildingContext) {
		final IndexColumn column;
		if ( ann != null ) {
			final String sqlType = BinderHelper.isEmptyAnnotationValue( ann.columnDefinition() ) ? null : ann.columnDefinition();
			final String name = BinderHelper.isEmptyAnnotationValue( ann.name() ) ? inferredData.getPropertyName() : ann.name();
			//TODO move it to a getter based system and remove the constructor
			column = new IndexColumn(
					false,
					sqlType,
					0,
					0,
					0,
					name,
					ann.nullable(),
					false,
					true,
					true,
					null,
					null,
					propertyHolder,
					buildingContext
			);
			column.setBase( ann.base() );
		}
		else {
			column = new IndexColumn(
					true,
					null,
					0,
					0,
					0,
					null,
					true,
					false,
					true,
					true,
					null,
					null,
					propertyHolder,
					buildingContext
			);
		}
		return column;
	}
}