NumericConverter


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  
24  /*
25   * NumericConverter.java
26   *
27   * Created on March 21, 2003
28   */
29  
30  package com.sun.jdo.spi.persistence.support.sqlstore.utility;
31  
32  import java.math.BigDecimal  ;
33  import java.math.BigInteger  ;
34  
35  /**
36   * This is a interface for numeric conversion to BigDecimal or BigInteger.
37   *
38   * @author Shing Wai Chan
39   */
40  public interface NumericConverter {
41       /**
42        * The default policy for NumericConverter.
43        */
44       static final int DEFAULT_POLICY = 0;
45  
46       /**
47        * To convert BigInteger to BigDecimal.
48        * @param bInteger the BigInteger to be converted
49        * @return converted BigDecimal
50        */
51       BigDecimal   toBigDecimal(BigInteger   bInteger);
52  
53       /**
54        * To convert Double to BigDecimal.
55        * @param d the Double to be converted
56        * @return converted BigDecimal
57        */
58       BigDecimal   toBigDecimal(Double   d);
59  
60       /**
61        * To convert Float to BigDecimal.
62        * @param f the Float to be converted
63        * @return converted BigDecimal
64        */
65       BigDecimal   toBigDecimal(Float   f);
66  
67       /**
68        * To convert Number other than BigInteger, Double and Float to BigDecimal.
69        * @param n the Number to be converted
70        * @return converted BigDecimal
71        */
72       BigDecimal   toBigDecimal(Number   n);
73  
74       /**
75        * To convert BigDecimal to BigInteger.
76        * @param bDecimal the BigDecimal to be converted
77        * @return converted BigInteger
78        */
79       BigInteger   toBigInteger(BigDecimal   bDecimal);
80  
81       /**
82        * To convert Double to BigInteger.
83        * @param d the Double to be converted
84        * @return converted BigInteger
85        */
86       BigInteger   toBigInteger(Double   d);
87  
88       /**
89        * To convert Float to BigInteger.
90        * @param f the Float to be converted
91        * @return converted BigInteger
92        */
93       BigInteger   toBigInteger(Float   f);
94  
95       /**
96        * To convert Number other than BigDecimal, Double and Float to BigInteger.
97        * @param n the Number to be converted
98        * @return converted BigInteger
99        */
100      BigInteger   toBigInteger(Number   n);
101 }
102
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