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Java > Open Source Codes > org > outerj > daisy > query > model > QValueType


1 /*
2  * Copyright 2004 Outerthought bvba and Schaubroeck nv
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.outerj.daisy.query.model;
17
18 /**
19  * Enumeration of types that can occur in queries. This is a superset of
20  * {@link org.outerj.daisy.repository.ValueType}.
21  */
22 public final class QValueType {
23     private final String JavaDoc name;
24
25     private QValueType(String JavaDoc name) {
26         this.name = name;
27     }
28
29     public String JavaDoc toString() {
30         return name;
31     }
32
33     public static final QValueType UNDEFINED = new QValueType("undefined");
34     public static final QValueType STRING = new QValueType("string");
35     public static final QValueType DATE = new QValueType("date");
36     public static final QValueType DATETIME = new QValueType("datetime");
37     public static final QValueType LONG = new QValueType("long");
38     public static final QValueType DOUBLE = new QValueType("double");
39     public static final QValueType DECIMAL = new QValueType("decimal");
40     public static final QValueType BOOLEAN = new QValueType("boolean");
41     public static final QValueType XML = new QValueType("xml");
42     public static final QValueType VERSION_STATE = new QValueType("version_state");
43     public static final QValueType LINK = new QValueType("link");
44
45     public boolean isCompatible(QValueType otherValueType) {
46         return otherValueType == this || this == UNDEFINED || otherValueType == UNDEFINED;
47     }
48 }
49
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