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## org.apache.xerces.impl.xs.models
Class XSAllCM

    java.lang.Object
      |
      +--org.apache.xerces.impl.xs.models.XSAllCM

All Implemented Interfaces:
  XSCMValidator

public class XSAllCM
extends java.lang.Object
implements XSCMValidator

XSAllCM implements XSCMValidator and handles <all>.

# INTERNAL:

  Usage of this class is not supported. It may be altered or removed at any time.

Version:
  $Id: XSAllCM.java 573322 2007-09-06 16:48:47Z peterjm $
Author:
  Pavani Mukthipudi, Sun Microsystems Inc.

Fields inherited from interface org.apache.xerces.impl.xs.models.XSCMValidator
`FIRST_ERROR, SUBSEQUENT_ERROR`

Constructor Summary
`XSAllCM(boolean hasOptionalContent, int size)`

Method Summary
`void` | `addElement(XSElementDecl element, boolean isOptional)`
`boolean` | `checkUniqueParticleAttribution(SubstitutionGroupHandler subGroupHandler)` check whether this content violates UPA constraint.
`boolean` | `endContentModel(int[] currentState)` The method indicates the end of list of children
`boolean` | `isCompactedForUPA()` Checks if this content model has had its min/maxOccurs values reduced for purposes of speeding up UPA.
`java.lang.Object` | `oneTransition(org.apache.xerces.xni.QName elementName, int[] currentState, SubstitutionGroupHandler subGroupHandler)` The method corresponds to one transition in the content model.
`int[]` | `startContentModel()` This methods to be called on entering a first element whose type has this content model.
`java.util.Vector` | `whatCanGoHere(int[] state)` Check which elements are valid to appear at this point.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### XSAllCM

    public XSAllCM(boolean hasOptionalContent,
                   int size)

Method Detail

### addElement

    public void addElement(XSElementDecl element,
                           boolean isOptional)

### startContentModel

    public int[] startContentModel()

  This methods to be called on entering a first element whose type has this content model. It will return the initial state of the content model
  Specified by:
    `startContentModel` in interface `XSCMValidator`
  Returns:
    Start state of the content model

### oneTransition

    public java.lang.Object oneTransition(org.apache.xerces.xni.QName elementName,
                                          int[] currentState,
                                          SubstitutionGroupHandler subGroupHandler)

  The method corresponds to one transition in the content model.
  Specified by:
    `oneTransition` in interface `XSCMValidator`
  Parameters:
    `elementName` -
    `currentState` - Current state
  Returns:
    an element decl object

### endContentModel

    public boolean endContentModel(int[] currentState)

  The method indicates the end of list of children
  Specified by:
    `endContentModel` in interface `XSCMValidator`
  Parameters:
    `currentState` - Current state of the content model
  Returns:
    true if the last state was a valid final state

### checkUniqueParticleAttribution

    public boolean checkUniqueParticleAttribution(SubstitutionGroupHandler subGroupHandler)
                                           throws XMLSchemaException

  check whether this content violates UPA constraint.
  Specified by:
    `checkUniqueParticleAttribution` in interface `XSCMValidator`
  Parameters:
    `subGroupHandler` - the substitution group handler
  Returns:
    true if this content model contains other or list wildcard

### whatCanGoHere

    public java.util.Vector whatCanGoHere(int[] state)

  Check which elements are valid to appear at this point. This method also works if the state is in error, in which case it returns what should have been seen.
  Specified by:
    `whatCanGoHere` in interface `XSCMValidator`
  Parameters:
    `state` - the current state
  Returns:
    a Vector whose entries are instances of either XSWildcardDecl or XSElementDecl.

### isCompactedForUPA

    public boolean isCompactedForUPA()

  Description copied from interface: `XSCMValidator`
  Checks if this content model has had its min/maxOccurs values reduced for purposes of speeding up UPA. If so, this content model should not be used for any purpose other than checking unique particle attribution
  Specified by:
    `isCompactedForUPA` in interface `XSCMValidator`
  Following copied from interface: `org.apache.xerces.impl.xs.models.XSCMValidator`
  Returns:
    a boolean that says whether this content has been compacted for UPA

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