StringValueExp


1   /*
2    * @(#)StringValueExp.java  4.19 03/12/19
3    * 
4    * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
5    * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
6    */
7   
8   package javax.management;
9   
10  
11  
12  /**
13   * Represents strings that are arguments to relational constraints.
14   * A <CODE>StringValueExp</CODE> may be used anywhere a <CODE>ValueExp</CODE> is required.
15   *
16   * @since 1.5
17   */
18  public class StringValueExp implements ValueExp     {   
19      
20      /* Serial version */
21      private static final long serialVersionUID = -3256390509806284044L;
22  
23      /**
24       * @serial The string literal
25       */
26      private String   val;
27  
28      /**
29       * Basic constructor.
30       */    
31      public StringValueExp() { 
32      } 
33  
34      /**
35       * Creates a new <CODE>StringValueExp</CODE> representing the
36       * given string.
37       *
38       * @param val the string that will be the value of this expression
39       */
40      public StringValueExp(String   val) { 
41      this.val = val;
42      } 
43  
44      /**
45       * Returns the string represented by the
46       * <CODE>StringValueExp</CODE> instance.
47       *
48       * @return the string.
49       */   
50      public String   getValue()  { 
51      return val;
52      } 
53  
54      /**
55       * Returns the string representing the object.
56       */
57      public String   toString()  { 
58      return "'" + val + "'";
59      } 
60     
61  
62      /**
63       * Sets the MBean server on which the query is to be performed.
64       *
65       * @param s The MBean server on which the query is to be performed.
66       */
67      public void setMBeanServer(MBeanServer   s)  { }        
68  
69      /**
70       * Applies the ValueExp on a MBean.
71       *
72       * @param name The name of the MBean on which the ValueExp will be applied.
73       *
74       * @return  The <CODE>ValueExp</CODE>.
75       *
76       * @exception BadStringOperationException
77       * @exception BadBinaryOpValueExpException
78       * @exception BadAttributeValueExpException 
79       * @exception InvalidApplicationException
80       */   
81      public ValueExp   apply(ObjectName   name) throws BadStringOperationException  , BadBinaryOpValueExpException  ,
82      BadAttributeValueExpException  , InvalidApplicationException    { 
83      return this;
84      } 
85   }
86
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