com.fasterxml.jackson.databind.type

## Class ClassStack

- java.lang.Object
- - com.fasterxml.jackson.databind.type.ClassStack

-     public final class ClassStack
      extends java.lang.Object

  Simple helper class used to keep track of 'call stack' for classes being referenced (as well as unbound variables)
  Since:
    2.7

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected java.lang.Class<?>` | `_current`
    `protected ClassStack` | `_parent`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ClassStack(java.lang.Class<?> rootType)`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addSelfReference(ResolvedRecursiveType ref)` Method called to indicate that there is a self-reference from deeper down in stack pointing into type this stack frame represents.
    `ClassStack` | `child(java.lang.Class<?> cls)`
    `ClassStack` | `find(java.lang.Class<?> cls)`
    `void` | `resolveSelfReferences(JavaType resolved)` Method called when type that this stack frame represents is fully resolved, allowing self-references to be completed (if there are any)
    `java.lang.String` | `toString()`

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

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

- - ### Field Detail

    - #### _parent

          protected final ClassStack _parent

    - #### _current

          protected final java.lang.Class<?> _current

  - ### Constructor Detail

    - #### ClassStack

          public ClassStack(java.lang.Class<?> rootType)

  - ### Method Detail

    - #### child

          public ClassStack child(java.lang.Class<?> cls)

      Returns:
        New stack frame, if addition is ok; null if not

    - #### addSelfReference

          public void addSelfReference(ResolvedRecursiveType ref)

      Method called to indicate that there is a self-reference from deeper down in stack pointing into type this stack frame represents.

    - #### resolveSelfReferences

          public void resolveSelfReferences(JavaType resolved)

      Method called when type that this stack frame represents is fully resolved, allowing self-references to be completed (if there are any)

    - #### find

          public ClassStack find(java.lang.Class<?> cls)

    - #### toString

          public java.lang.String toString()

      Overrides:
        `toString` in class `java.lang.Object`