## Uses of Interface
org.apache.hadoop.yarn.util.constraint.PlacementConstraintParser.ConstraintTokenizer

- Packages that use PlacementConstraintParser.ConstraintTokenizer
  Package | Description
  --- | ---
  org.apache.hadoop.yarn.util.constraint | Package org.apache.hadoop.yarn.util.constraint contains classes which is used as utility class for placement constraints.

- - ### Uses of PlacementConstraintParser.ConstraintTokenizer in org.apache.hadoop.yarn.util.constraint

    Classes in org.apache.hadoop.yarn.util.constraint that implement PlacementConstraintParser.ConstraintTokenizer
    Modifier and Type | Class and Description
    --- | ---
    `static class` | `PlacementConstraintParser.BaseStringTokenizer` A basic tokenizer that splits an expression by a given delimiter.
    `static class` | `PlacementConstraintParser.ConjunctionTokenizer` Tokenizer used to parse conjunction form of a constraint expression, [AND|OR](C1:C2:...:Cn).
    `static class` | `PlacementConstraintParser.MultipleConstraintsTokenizer` Tokenizer used to handle a placement spec composed by multiple constraint expressions.
    `static class` | `PlacementConstraintParser.SourceTagsTokenizer` Tokenizer used to parse allocation tags expression, which should be in tag(numOfAllocations) syntax.

    Constructors in org.apache.hadoop.yarn.util.constraint with parameters of type PlacementConstraintParser.ConstraintTokenizer
    Constructor and Description
    `ConstraintParser(PlacementConstraintParser.ConstraintTokenizer tk)`

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