org.apache.lucene.analysis

## Class ValidatingTokenFilter

- java.lang.Object
- - org.apache.lucene.util.AttributeSource
  - - org.apache.lucene.analysis.TokenStream
    - - org.apache.lucene.analysis.TokenFilter
      - - org.apache.lucene.analysis.ValidatingTokenFilter

- All Implemented Interfaces:
    Closeable, AutoCloseable

      public final class ValidatingTokenFilter
      extends TokenFilter

  A TokenFilter that checks consistency of the tokens (eg offsets are consistent with one another).

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource

      `AttributeSource.State`

  - ### Field Summary

    - ### Fields inherited from class org.apache.lucene.analysis.TokenFilter

      `input`

    - ### Fields inherited from class org.apache.lucene.analysis.TokenStream

      `DEFAULT_TOKEN_ATTRIBUTE_FACTORY`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ValidatingTokenFilter(TokenStream in, String name)` The name arg is used to identify this stage when throwing exceptions (useful if you have more than one instance in your chain).

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `dump()`
    `static void` | `dumpValidatingTokenFilters(TokenStream in, PrintStream out)` Prints details about consumed tokens stored in any ValidatingTokenFilters in the input chain
    `void` | `end()`
    `boolean` | `incrementToken()`
    `void` | `reset()`

    - ### Methods inherited from class org.apache.lucene.analysis.TokenFilter

      `close`

    - ### Methods inherited from class org.apache.lucene.util.AttributeSource

      `addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, endAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, removeAllAttributes, restoreState, toString`

    - ### Methods inherited from class java.lang.Object

      `clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### ValidatingTokenFilter

          public ValidatingTokenFilter(TokenStream in,
                                       String name)

      The name arg is used to identify this stage when throwing exceptions (useful if you have more than one instance in your chain).

  - ### Method Detail

    - #### incrementToken

          public boolean incrementToken()
                                 throws IOException

      Specified by:
        `incrementToken` in class `TokenStream`
      Throws:
        `IOException`

    - #### end

          public void end()
                   throws IOException

      Overrides:
        `end` in class `TokenFilter`
      Throws:
        `IOException`

    - #### reset

          public void reset()
                     throws IOException

      Overrides:
        `reset` in class `TokenFilter`
      Throws:
        `IOException`

    - #### dumpValidatingTokenFilters

          public static void dumpValidatingTokenFilters(TokenStream in,
                                                        PrintStream out)

      Prints details about consumed tokens stored in any ValidatingTokenFilters in the input chain
      Parameters:
        `in` - the input token stream
        `out` - the output print stream

    - #### dump

          public String dump()

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