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1 package com.thaiopensource.relaxng.impl;
2
3 import org.relaxng.datatype.Datatype;
4
5 class ValuePattern extends StringPattern {
6 private final Object  obj;
7 private final Datatype dt;
8
9 ValuePattern(Datatype dt, Object obj) {
10 super(combineHashCode(VALUE_HASH_CODE, obj.hashCode()));
11 this.dt = dt;
12 this.obj = obj;
13 }
14
15 boolean samePattern(Pattern other) {
16 if (getClass() != other.getClass())
17 return false;
18 if (!(other instanceof ValuePattern))
19 return false;
20 return (dt.equals(((ValuePattern)other).dt)
21 && dt.sameValue(obj, ((ValuePattern)other).obj));
22 }
23
24 void accept(PatternVisitor visitor) {
25 visitor.visitValue(dt, obj);
26 }
27
28 Object apply(PatternFunction f) {
29 return f.caseValue(this);
30 }
31
32 void checkRestrictions(int context, DuplicateAttributeDetector dad, Alphabet alpha)
33 throws RestrictionViolationException {
34 switch (context) {
35 case START_CONTEXT:
36 throw new RestrictionViolationException("start_contains_value");
37 }
38 }
39
40 Datatype getDatatype() {
41 return dt;
42 }
43
44 Object getValue() {
45 return obj;
46 }
47
48 }
49 |
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