/*
* Hibernate OGM, Domain model persistence for NoSQL datastores
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.ogm.grid.impl;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.ogm.datastore.spi.Tuple;
import org.hibernate.ogm.grid.EntityKey;
import org.hibernate.ogm.grid.RowKey;
/**
* @author Emmanuel Bernard <emmanuel@hibernate.org>
*/
public class RowKeyBuilder {
private final List<String> columnNames = new ArrayList<String>();
private final List<String> indexColumnNames = new ArrayList<String>( 3 );
private String tableName;
private Tuple tuple;
private EntityKey entityKey;
public RowKeyBuilder addColumns(String... columns) {
for ( String columnName : columns ) {
columnNames.add( columnName );
}
return this;
}
public RowKeyBuilder addIndexColumns(String... columns) {
for ( String columnName : columns ) {
columnNames.add( columnName );
indexColumnNames.add( columnName );
}
return this;
}
public RowKeyBuilder tableName(String tableName) {
this.tableName = tableName;
return this;
}
public RowKeyBuilder entityKey(EntityKey entityKey) {
this.entityKey = entityKey;
return this;
}
public RowKey build() {
final String[] columnNamesArray = columnNames.toArray( new String[columnNames.size()] );
final int length = columnNamesArray.length;
Object[] columnValuesArray = new Object[length];
for (int index = 0 ; index < length ; index++ ) {
columnValuesArray[index] = tuple.get( columnNamesArray[index] );
}
return new RowKey( tableName, columnNamesArray, columnValuesArray, entityKey );
}
public RowKeyBuilder values(Tuple tuple) {
this.tuple = tuple;
return this;
}
public String[] getColumnNames() {
return columnNames.toArray( new String[ columnNames.size() ] );
}
public String[] getIndexColumnNames() {
return indexColumnNames.toArray( new String[ indexColumnNames.size() ] );
}
}