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

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

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

import de.akquinet.jbosscc.guttenbase.meta.ColumnMetaData;
import de.akquinet.jbosscc.guttenbase.meta.ForeignKeyMetaData;
import de.akquinet.jbosscc.guttenbase.meta.InternalColumnMetaData;
import de.akquinet.jbosscc.guttenbase.meta.TableMetaData;

/**
 * Information about a table column.
 * 
 * 
 * © 2012 akquinet tech@spree
 * 
 * 
 * @author M. Dahm
 */
public class ColumnMetaDataImpl implements InternalColumnMetaData {
	private static final long serialVersionUID = 1L;

	private final int _columnType;
	private final String _columnName;
	private final String _columnTypeName;
	private final String _columnClassName;
	private final boolean _isNullable;
	private final boolean _isAutoIncrement;
	private final int _precision;
	private final int _scale;

	private final TableMetaData _tableMetaData;
	private boolean _primaryKey;
	private UUID _columnId = UUID.randomUUID();

	public ColumnMetaDataImpl(final int columnType, final String columnName, final String columnTypeName, final String columnClassName,
			final boolean isNullable, final boolean isAutoIncrement, final int precision, final int scale, final TableMetaData tableMetaData) {
		assert columnClassName != null : "columnClassName != null";
		assert columnTypeName != null : "columnTypeName != null";
		assert columnName != null : "columnName != null";
		assert tableMetaData != null : "tableMetaData != null";

		_precision = precision;
		_scale = scale;
		_isAutoIncrement = isAutoIncrement;
		_tableMetaData = tableMetaData;
		_isNullable = isNullable;

		_columnType = columnType;
		_columnName = columnName;
		_columnTypeName = columnTypeName;
		_columnClassName = columnClassName;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void setPrimaryKey(final boolean primaryKey) {
		_primaryKey = primaryKey;
	}

	@Override
	public boolean isPrimaryKey() {
		return _primaryKey;
	}

	@Override
	public int getColumnType() {
		return _columnType;
	}

	@Override
	public String getColumnName() {
		return _columnName;
	}

	@Override
	public String getColumnTypeName() {
		return _columnTypeName;
	}

	@Override
	public String getColumnClassName() {
		return _columnClassName;
	}

	@Override
	public boolean isNullable() {
		return _isNullable;
	}

	@Override
	public boolean isAutoIncrement() {
		return _isAutoIncrement;
	}

	@Override
	public int getPrecision() {
		return _precision;
	}

	@Override
	public int getScale() {
		return _scale;
	}

	@Override
	public ColumnMetaData getReferencedColumn() {
		for (final ForeignKeyMetaData foreignKey : getTableMetaData().getForeignKeys()) {
			if (foreignKey.getReferencingColumn() == this) {
				return foreignKey.getReferencedColumn();
			}
		}

		return null;
	}

	@Override
	public List getReferencedByColumn() {
		final List result = new ArrayList();

		for (final ForeignKeyMetaData foreignKey : getTableMetaData().getForeignKeys()) {
			if (foreignKey.getReferencedColumn() == this) {
				result.add(foreignKey.getReferencingColumn());
			}
		}

		return result;
	}

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

	/**
	 * /** {@inheritDoc}
	 */
	@Override
	public UUID getColumnId() {
		return _columnId;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void setColumnId(final UUID columnId) {
		_columnId = columnId;
	}

	@Override
	public int compareTo(final ColumnMetaData that) {
		return this.getColumnName().toUpperCase().compareTo(that.getColumnName().toUpperCase());
	}

	@Override
	public String toString() {
		return getColumnName() + ":" + getColumnTypeName();
	}

	@Override
	public int hashCode() {
		return getColumnName().toUpperCase().hashCode();
	}

	@Override
	public boolean equals(final Object obj) {
		final ColumnMetaData that = (ColumnMetaData) obj;

		return this.getColumnName().equalsIgnoreCase(that.getColumnName());
	}
}