Sun Java System Application Server Platform Edition 8.1 2005Q2 Update 2 Developer's Guide

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## constraint-field-value

Specifies a value to be matched to the input parameter value. The matching is case sensitive. For example:

    <value match-expr="in-range">1-60</value>

### Superelements

constraint-field (`sun-web.xml`)

### Subelements

none - contains data

### Attributes

The following table describes attributes for the `constraint-field-value` element.

Table A–33 `constraint-field-value` Attributes

Attribute | Default | Description
--- | --- | ---
`match-expr` | `equals` | (optional) Specifies the type of comparison performed with the value. Allowed values are `equals`, `not-equals`, `greater`, `lesser`, and `in-range`. If `match-expr` is `greater` or `lesser`, the value must be a number. If `match-expr` is `in-range`, the value must be of the form n1`-`n2, where n1 and n2 are numbers.
`cache-on-match` | `true` | (optional) If `true`, caches the response if matching succeeds.
`cache-on-match-failure` | `false` | (optional) If `true`, caches the response if matching fails.

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