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The Plasma SDO Module
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/**
 *         PlasmaSDO™ License
 * 
 * This is a community release of PlasmaSDO™, a dual-license 
 * Service Data Object (SDO) 2.1 implementation. 
 * This particular copy of the software is released under the 
 * version 2 of the GNU General Public License. PlasmaSDO™ was developed by 
 * TerraMeta Software, Inc.
 * 
 * Copyright (c) 2013, TerraMeta Software, Inc. All rights reserved.
 * 
 * General License information can be found below.
 * 
 * This distribution may include materials developed by third
 * parties. For license and attribution notices for these
 * materials, please refer to the documentation that accompanies
 * this distribution (see the "Licenses for Third-Party Components"
 * appendix) or view the online documentation at 
 * .
 *  
 */
package org.plasma.query;


/**
 *  A non-reference property with a type which is a String data type.  
 */
public interface StringDataProperty extends DataProperty {

	
	/**
	 * Constructs a function, which returns the start of the string data before the given 
	 * string value occurs in it, and returns this data property for use in subsequent operations
	 * @return this data property for use in subsequent operations
	 */
	public StringDataProperty substringBefore(String value);
	
	/**
	 * Constructs a function, which returns the tail of the string data after the given 
	 * string value occurs in it, and returns this data property for use in subsequent operations
	 * @return this data property for use in subsequent operations
	 */
	public StringDataProperty substringAfter(String value);
	
	/**
	 * Constructs a function, which returns the upper case for the string data, and returns 
	 * this data property for use in subsequent operations
	 * @return this data property for use in subsequent operations
	 */
	public StringDataProperty upperCase();
	
	/**
	 * Constructs a function, which returns the lower case for the string data, and returns 
	 * this data property for use in subsequent operations
	 * @return this data property for use in subsequent operations
	 */
	public StringDataProperty lowerCase();
		
	/**
	 * Constructs a function, which removes leading and trailing spaces from the specified string, and 
	 * replaces all internal sequences of white space with one and returns the result. 
	 * @return this data property for use in subsequent operations
	 */
    public StringDataProperty normalizeSpace();
}