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## com.sun.msv.grammar.relax
Class ElementRule

    java.lang.Object
      com.sun.msv.grammar.Expression
          com.sun.msv.grammar.ElementExp
              com.sun.msv.grammar.relax.ElementRule

All Implemented Interfaces:
  NameClassAndExpression, java.io.Serializable

public class ElementRule
extends ElementExp

ElementRule declaration of RELAX.

Author:
  Kohsuke KAWAGUCHI
See Also:
  Serialized Form

Field Summary
`Expression` | `attributeFreeContentModel` Attribute-free content model
`TagClause` | `clause` constraints over start tag of the element

Fields inherited from class com.sun.msv.grammar.ElementExp
`contentModel, ignoreUndeclaredAttributes`

Fields inherited from class com.sun.msv.grammar.Expression
`anyString, epsilon, nullSet, verifierTag`

Constructor Summary
`ElementRule(ExpressionPool pool, TagClause clause, Expression contentModel)`

Method Summary
`NameClass` | `getNameClass()` obtains a constraint over tag name.
`ElementRules` | `getParent()` gets the parent ElementRules object.

Methods inherited from class com.sun.msv.grammar.ElementExp
`equals, getContentModel, visit, visit, visit, visit`

Methods inherited from class com.sun.msv.grammar.Expression
`getExpandedExp, hashCode, isEpsilonReducible, peelOccurence, visit, visit, visit, visit`

Methods inherited from class java.lang.Object
`getClass, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### clause

    public final TagClause clause

  constraints over start tag of the element

### attributeFreeContentModel

    public final Expression attributeFreeContentModel

  Attribute-free content model

Constructor Detail

### ElementRule

    public ElementRule(ExpressionPool pool,
                       TagClause clause,
                       Expression contentModel)

Method Detail

### getParent

    public ElementRules getParent()

  gets the parent ElementRules object. when this object is used as a named, no-inline elementRule, this variable holds a reference to the parent ElementRules object. otherwise, null

### getNameClass

    public final NameClass getNameClass()

  Description copied from class: `ElementExp`
  obtains a constraint over tag name. ElementExp is cannot be shared because NameClass has to be mutable to absorb the difference of RELAX and TREX. In case of TREX, name class will be determined when parsing ElementExp itself. Thus effectively it's immutable. In case of RELAX, name class will be determined when its corresponding Clause object is parsed.

  Specified by:
    `getNameClass` in interface `NameClassAndExpression`
  Specified by:
    `getNameClass` in class `ElementExp`

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