de.akquinet.jbosscc.guttenbase.meta.builder.TableMetaDataBuilder Maven / Gradle / Ivy

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

import de.akquinet.jbosscc.guttenbase.meta.InternalTableMetaData;
import de.akquinet.jbosscc.guttenbase.meta.impl.TableMetaDataImpl;

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

/**
 * Builder class for TableMetaData.
 * 
 * © 2012-2034 akquinet tech@spree
 * 
 *
 * @author M. Dahm
 */
public class TableMetaDataBuilder {
  private String _tableName = "FOO";
  private final List _columns = new ArrayList<>();
  private final List _indexes = new ArrayList<>();
  private final List _exportedforeignKeys = new ArrayList<>();
  private final List _importedforeignKeys = new ArrayList<>();
  private final DatabaseMetaDataBuilder _databaseMetaDataBuilder;
  private TableMetaDataImpl _result;

  public TableMetaDataBuilder(final DatabaseMetaDataBuilder databaseMetaDataBuilder) {
    assert databaseMetaDataBuilder != null : "databaseMetaDataBuilder != null";
    _databaseMetaDataBuilder = databaseMetaDataBuilder;
  }

  public InternalTableMetaData build() {
    if (_result == null) {
      _result = new TableMetaDataImpl(_tableName, _databaseMetaDataBuilder.build(), "TABLE");

      for (final ColumnMetaDataBuilder columnBuilder : _columns) {
        _result.addColumn(columnBuilder.build());
      }

      for (final IndexMetaDataBuilder indexBuilder : _indexes) {
        _result.addIndex(indexBuilder.build());
      }

      for (final ForeignKeyMetaDataBuilder foreignKeyMetaDataBuilder : _exportedforeignKeys) {
        _result.addExportedForeignKey(foreignKeyMetaDataBuilder.build());
      }

      for (final ForeignKeyMetaDataBuilder foreignKeyMetaDataBuilder : _importedforeignKeys) {
        _result.addImportedForeignKey(foreignKeyMetaDataBuilder.build());
      }
    }

    return _result;
  }

  public TableMetaDataBuilder setTableName(final String tableName) {
    _tableName = tableName;
    return this;
  }

  public TableMetaDataBuilder addColumn(final ColumnMetaDataBuilder columnMetaDataBuilder) {
    _columns.add(columnMetaDataBuilder);
    return this;
  }

  public TableMetaDataBuilder addIndex(final IndexMetaDataBuilder builder) {
    _indexes.add(builder);
    return this;
  }

  public TableMetaDataBuilder addExportedForeignKey(final ForeignKeyMetaDataBuilder builder) {
    _exportedforeignKeys.add(builder);
    return this;
  }

  public TableMetaDataBuilder addImportedForeignKey(final ForeignKeyMetaDataBuilder builder) {
    _importedforeignKeys.add(builder);
    return this;
  }

  public ColumnMetaDataBuilder getColumn(final String columnName) {
    for (final ColumnMetaDataBuilder builder : _columns) {
      if (builder.getColumnName().equalsIgnoreCase(columnName)) {
        return builder;
      }
    }

    return null;
  }
}