content: /*
   * Copyright (c) 2002-2003 by OpenSymphony
   * All rights reserved.
   */
  package com.opensymphony.workflow.query;
  
  import java.io.Serializable;
  
  /**
   * Workflow Query. A workflow expression-based query is constructed by
   * specifying a number of expressions in the query. Currently queries can only
   * have one operator act on them. Either the expressions are either evaluated
   * with an OR, whereby the first expression that passes results in inclusion of
   * a result, or with an AND, whereby all expressions must return true for a
   * result to be included.
   * 
   * @author Christine Zimmermann
   */
  public class WorkflowExpressionQuery implements Serializable {
  	// ~ Static fields/initializers
  	// /////////////////////////////////////////////
  
  	private static final long serialVersionUID = 5810528106491875046L;
  	public static final int SORT_NONE = 0;
  	public static final int SORT_ASC = 1;
  	public static final int SORT_DESC = -1;
  
  	// ~ Instance fields
  	// ////////////////////////////////////////////////////////
  
  	private Expression expression = null;
  	private int orderBy;
  	private int sortOrder;
  
  	// ~ Constructors
  	// ///////////////////////////////////////////////////////////
  
  	public WorkflowExpressionQuery() {
  	}
  
  	/**
  	 * Create a WorkflowExpressionQuery that consists of one expression.
  	 */
  	public WorkflowExpressionQuery(Expression expression) {
  		this.expression = expression;
  	}
  
  	// ~ Methods
  	// ////////////////////////////////////////////////////////////////
  
  	public void setExpression(Expression expression) {
  		this.expression = expression;
  	}
  
  	public Expression getExpression() {
  		return expression;
  	}
  
  	public void setOrderBy(int orderBy) {
  		this.orderBy = orderBy;
  	}
  
  	public int getOrderBy() {
  		return orderBy;
  	}
  
  	public void setSortOrder(int sortOrder) {
  		this.sortOrder = sortOrder;
  	}
  
  	public int getSortOrder() {
  		return sortOrder;
  	}
  }
  