Source Code Cross Referenced for ExpressionCubeFilter.java in  » Report » jmagallanes-1.0 » com » calipso » reportgenerator » reportcalculator » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Report » jmagallanes 1.0 » com.calipso.reportgenerator.reportcalculator 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


01:        package com.calipso.reportgenerator.reportcalculator;
02:
03:        import com.calipso.reportgenerator.reportcalculator.expression.Expression;
04:        import com.calipso.reportgenerator.reportcalculator.expression.Context;
05:        import com.calipso.reportgenerator.reportcalculator.expression.RowContext;
06:        import com.calipso.reportgenerator.reportcalculator.CubeFilter;
07:
08:        import java.util.Map;
09:
10:        /**
11:         * Filtro basado en una expresión booleana
12:         * @see com.calipso.reportgenerator.reportcalculator.expression.Expression
13:         */
14:        public class ExpressionCubeFilter extends CubeFilter {
15:            Expression expresion;
16:            private Map paramValues;
17:
18:            public Map getParamValues() {
19:                return paramValues;
20:            }
21:
22:            /**
23:             * Crea un nuevo filtro a partir de una expresión
24:             * @param expresion
25:             */
26:            public ExpressionCubeFilter(Expression expresion, Map paramValues) {
27:                this .paramValues = paramValues;
28:                this .expresion = expresion;
29:            }
30:
31:            /**
32:             * Crea un contexto de evaluación a partir de un row
33:             * @param row
34:             * @return
35:             */
36:            private Context getContext(Object[] row) {
37:                return new RowContext(row);
38:            }
39:
40:            /**
41:             * Devuelve el texto de la condición Oql de la expresión
42:             * @return
43:             */
44:            public String getOqlText() {
45:                return expresion.toString();
46:            }
47:
48:            /**
49:             * Evalúa el filtro para una row
50:             * @param row
51:             * @return
52:             */
53:            public boolean matches(Object[] row) {
54:                if (expresion != null) {
55:                    return expresion.valueIn(getContext(row));
56:                } else {
57:                    return true;
58:                }
59:            }
60:
61:            /**
62:             * Devuelve la representación en texto del filtro
63:             * @return
64:             */
65:            public String toString() {
66:                if (expresion != null) {
67:                    return expresion.toString();
68:                } else {
69:                    return "";
70:                }
71:            }
72:
73:            public boolean equals(Object obj) {
74:                if (super .equals(obj))
75:                    return true;
76:                if (obj instanceof  ExpressionCubeFilter
77:                        && ((ExpressionCubeFilter) obj).expresion != null) {
78:                    return expresion
79:                            .equals(((ExpressionCubeFilter) obj).expresion);
80:                }
81:                return false;
82:            }
83:
84:        }
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