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## com.saxonica.schema
Class AssertionFacet

    java.lang.Object
      com.saxonica.schema.Facet
          com.saxonica.schema.AssertionFacet

All Implemented Interfaces:
  Serializable

    public class AssertionFacet

extends Facet

Represents an assertion facet on a schema-defined simple type.

See Also:
  Serialized Form

Constructor Summary
`AssertionFacet(Assertion assertion)` Create a assertion facet

Method Summary
`void` | `checkFacetRestriction(UserSimpleType type, SimpleType base, SchemaCompiler compiler)` Check that this facet is legal when used on a type derived by restriction
`String` | `getName()` Returns the name of this Facet
`String` | `getValue()` Returns the lexical representation of the value of this facet
`void` | `serializeFacet(SchemaModelSerializer serializer)` Serialize this facet
`boolean` | `testAtomicValue(AtomicValue value)` Test whether an atomic value conforms to this facet
`boolean` | `testListValue(Value value)` Test whether a list value conforms to this facet.

Methods inherited from class com.saxonica.schema.Facet
`getMessage, getWhitespaceAction, isConstraining, isFacetName, isFixed, isNewlyIntroduced, makeFacet, setFixed, setMessage, testLength, toLong`

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

Constructor Detail

### AssertionFacet

    public AssertionFacet(Assertion assertion)

  Create a assertion facet

  Parameters:
    `assertion` - the assertion

Method Detail

### getName

    public String getName()

  Description copied from class: `Facet`
  Returns the name of this Facet

  Specified by:
    `getName` in class `Facet`
  Returns:
    the name of this Facet

### getValue

    public String getValue()

  Description copied from class: `Facet`
  Returns the lexical representation of the value of this facet

  Specified by:
    `getValue` in class `Facet`
  Returns:
    the value of this facet, as a string

### checkFacetRestriction

    public void checkFacetRestriction(UserSimpleType type,
                                      SimpleType base,
                                      SchemaCompiler compiler)
                               throws SchemaException

  Check that this facet is legal when used on a type derived by restriction

  Overrides:
    `checkFacetRestriction` in class `Facet`
  Parameters:
    `type` - the derived type
    `base` - the type from which the restricted type is derived
    `compiler` - the schema compiler
  Throws:
    `SchemaException` - if the facet is not legal

### testAtomicValue

    public boolean testAtomicValue(AtomicValue value)

  Test whether an atomic value conforms to this facet

  Specified by:
    `testAtomicValue` in class `Facet`
  Parameters:
    `value` - the value to be tested
  Returns:
    true if the value conforms; false if it doesn't conform, or if the test fails

### testListValue

    public boolean testListValue(Value value)

  Test whether a list value conforms to this facet. This is used only for the enumeration and assertion facets.

  Overrides:
    `testListValue` in class `Facet`
  Parameters:
    `value` - the value to be tested
  Returns:
    true if the value conforms; false if it doesn't conform, or if the test fails

### serializeFacet

    public void serializeFacet(SchemaModelSerializer serializer)
                        throws XPathException

  Serialize this facet

  Overrides:
    `serializeFacet` in class `Facet`
  Parameters:
    `serializer` - receives the content for serialization
  Throws:
    `XPathException` - if an error occurs writing the value to the output

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Copyright (c) 2004-2011 Saxonica Limited. All rights reserved.