de.akquinet.jbosscc.guttenbase.meta.impl.IndexMetaDataImpl Maven / Gradle / Ivy

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package de.akquinet.jbosscc.guttenbase.meta.impl;

import java.util.ArrayList;
import java.util.List;

import de.akquinet.jbosscc.guttenbase.meta.ColumnMetaData;
import de.akquinet.jbosscc.guttenbase.meta.InternalIndexMetaData;
import de.akquinet.jbosscc.guttenbase.meta.TableMetaData;

/**
 * Information about index in table.
 * 
 * 
 * © 2012 akquinet tech@spree
 * 
 * 
 * @author M. Dahm
 */
public class IndexMetaDataImpl implements InternalIndexMetaData {
	private static final long serialVersionUID = 1L;

	private final String _indexName;
	private final boolean _ascending;
	private final boolean _unique;
	private final List _columns = new ArrayList();
	private final TableMetaData _tableMetaData;

	public IndexMetaDataImpl(final TableMetaData tableMetaData, final String indexName, final boolean ascending, final boolean unique) {
		assert indexName != null : "indexName != null";
		assert tableMetaData != null : "tableMetaData != null";

		_tableMetaData = tableMetaData;
		_indexName = indexName;
		_ascending = ascending;
		_unique = unique;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public TableMetaData getTableMetaData() {
		return _tableMetaData;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public String getIndexName() {
		return _indexName;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public boolean isAscending() {
		return _ascending;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public boolean isUnique() {
		return _unique;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public List getColumnMetaData() {
		return new ArrayList(_columns);
	}

	@Override
	public void addColumn(final ColumnMetaData columnMetaData) {
		assert columnMetaData != null : "columnMetaData != null";
		_columns.add(columnMetaData);
	}
}