category.java

来自「数据仓库展示程序」· Java 代码 · 共 99 行

/*
// $Id: //open/mondrian/src/main/mondrian/olap/Category.java#3 $
// This software is subject to the terms of the Common Public License
// Agreement, available at the following URL:
// http://www.opensource.org/licenses/cpl.html.
// (C) Copyright 2003-2005 Julian Hyde
// All Rights Reserved.
// You must accept the terms of that agreement to use this software.
//
// jhyde, Feb 21, 2003
*/
package mondrian.olap;

/**
 * <code>Category</code> enumerates the possible expression types.
 *
 * @see Exp#getType
 *
 * @author jhyde
 * @since Feb 21, 2003
 * @version $Id: //open/mondrian/src/main/mondrian/olap/Category.java#3 $
 **/
public class Category extends EnumeratedValues {
    /** The singleton instance of <code>Category</code>. **/
    public static final Category instance = new Category();

    private Category() {
        super(
                new String[] {
                    "unknown", "array", "dimension", "hierarchy", "level",
                    "logical", "member", "numeric", "set",
                    "string", "tuple", "symbol", "cube", "value", "integer",
                },
                new int[] {
                    Unknown, Array, Dimension, Hierarchy, Level,
                    Logical, Member, Numeric, Set,
                    String, Tuple, Symbol, Cube, Value, Integer,
                },
                new String[] {
                    "Unknown", "Array", "Dimension", "Hierarchy", "Level",
                    "Logical Expression", "Member", "Numeric Expression", "Set",
                    "String", "Tuple", "Symbol", "Cube", "Value", "Integer",
                }
        );
    }

    /** Returns the singleton instance of <code>Category</code>. **/
    public static final Category instance() {
        return instance;
    }

    /** <code>Unknown</code> is an expression whose type is as yet unknown. **/
    public static final int Unknown   = 0;
    /** <code>Array</code> is an expression of array type. **/
    public static final int Array     = 1;
    /** <code>Dimension</code> is a dimension expression.
     * @see Dimension **/
    public static final int Dimension = 2;
    /** <code>Hierarchy</code> is a hierarchy expression.
     * @see Hierarchy **/
    public static final int Hierarchy = 3;
    /** <code>Level</code> is a level expression.
     * @see Level **/
    public static final int Level     = 4;
    /** <code>Logical</code> is a boolean expression. **/
    public static final int Logical   = 5;
    /** <code>Member</code> is a member expression.
     * @see Member **/
    public static final int Member    = 6;
    /** <code>Numeric</code> is a numeric expression. **/
    public static final int Numeric   = 7;
    /** <code>Set</code> is a set of members or tuples. **/
    public static final int Set       = 8;
    /** <code>String</code> is a string expression. **/
    public static final int String    = 9;
    /** <code>Tuple</code> is a tuple expression. **/
    public static final int Tuple     = 10;
    /** <code>Symbol</code> is a symbol, for example the <code>BASC</code>
     * keyword to the <code>Order()</code> function. **/
    public static final int Symbol    = 11;
    /** <code>Cube</code> is a cube expression.
     * @see Cube **/
    public static final int Cube      = 12;
    /** <code>Value</code> is any expression yielding a string or numeric value. **/
    public static final int Value     = 13;
    /** <code>Integer</code> is an integer expression. This is a subtype of
     * {@link #Numeric}. */
    public static final int Integer = 15;
    /** <code>Expression</code> is a flag which, when bitwise-OR-ed with a
     * category value, indicates an expression (as opposed to a constant). **/
    public static final int Expression = 0;
    /** <code>Constant</code> is a flag which, when bitwise-OR-ed with a
     * category value, indicates a constant (as opposed to an expression). **/
    public static final int Constant = 64;
    /** <code>Mask</code> is a mask to remove flags. **/
    public static final int Mask = 31;
}

// End Category.java