/*
* StreamCruncher: Copyright (c) 2006-2008, Ashwin Jayaprakash. All Rights Reserved.
* Contact: ashwin {dot} jayaprakash {at} gmail {dot} com
* Web: http://www.StreamCruncher.com
*
* This file is part of StreamCruncher.
*
* StreamCruncher is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* StreamCruncher is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with StreamCruncher. If not, see <http://www.gnu.org/licenses/>.
*/
package streamcruncher.innards.expression;
/*
* Author: Ashwin Jayaprakash Date: Jun 19, 2007 Time: 7:41:12 PM
*/
public interface Constants {
/**
* OGNL variable prefix to set into the Context.
*/
public static final String VARIABLE_REFERENCE_PREFIX = "$";
/**
* OGNL Context variable.
*/
public static final String VARIABLE_REWRITE_PREFIX = "#" + VARIABLE_REFERENCE_PREFIX;
public static final String DATA_ROW_MARKER_START = "[";
public static final String KEYWORD_DATA_ROW_NAME = "column_$";
public static final String DATA_ROW_MARKER_END = "]";
public static final String KEYWORD_CURRENT_TIMESTAMP = "current_timestamp";
public static final String VARIABLE_CURRENT_TIMESTAMP = VARIABLE_REFERENCE_PREFIX
+ KEYWORD_CURRENT_TIMESTAMP;
}