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

Go to download
Show more of this group Show more artifacts with this name
Show all versions of GuttenBase Show documentation
Copying done right...
The newest version!
package de.akquinet.jbosscc.guttenbase.meta.impl;

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

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

/**
 * Information about index in table.
 * 
 * © 2012-2034 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;
  private final boolean _primaryKeyIndex;

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

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

  /**
   * {@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;
  }

  @Override
  public final boolean isPrimaryKeyIndex() {
    return _primaryKeyIndex;
  }

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

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

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

  @Override
  public String toString() {
    return getTableMetaData() + ":" + getIndexName() + ":" + getColumnMetaData();
  }

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

  @Override
  public boolean equals(final Object obj) {
    if (obj instanceof IndexMetaData) {
      final IndexMetaData that = (IndexMetaData) obj;
      return this.getIndexName().equalsIgnoreCase(that.getIndexName());
    } else {
      return false;
    }
  }
}