com.holonplatform.core.query

## Interface FunctionExpression.PathFunctionExpression<P,T>

- Type Parameters:
    `P` - Path type
    `T` - Function result, expression and projection type
  All Superinterfaces:
    Expression, FunctionExpression<T>, QueryExpression<T>, QueryProjection<T>
  All Known Subinterfaces:
    FunctionExpression.PathFunctionExpressionProperty<P,T>
  Enclosing interface:
    FunctionExpression<T>

      public static interface FunctionExpression.PathFunctionExpression<P,T>
      extends FunctionExpression<T>

  A `FunctionExpression` which acts on a `Path`.

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from interface com.holonplatform.core.query.FunctionExpression

      `FunctionExpression.FunctionExpressionProperty<T>, FunctionExpression.PathFunctionExpression<P,T>, FunctionExpression.PathFunctionExpressionProperty<P,T>`

    - ### Nested classes/interfaces inherited from interface com.holonplatform.core.Expression

      `Expression.ExpressionResolverFunction<E extends Expression,R extends Expression>, Expression.InvalidExpressionException`

  - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `Path<P>` | `getPath()` Get the `Path` subject of the function.

    - ### Methods inherited from interface com.holonplatform.core.query.FunctionExpression

      `avg, count, create, getFunction, max, min, sum`

    - ### Methods inherited from interface com.holonplatform.core.query.QueryExpression

      `getType`

    - ### Methods inherited from interface com.holonplatform.core.query.QueryProjection

      `getType`

    - ### Methods inherited from interface com.holonplatform.core.Expression

      `validate`

- - ### Method Detail

    - #### getPath

          Path<P> getPath()

      Get the `Path` subject of the function.
      Returns:
        The function path

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