org.apache.xerces.xs

## Interface XSNamedMap

- All Superinterfaces:
    java.util.Map

      public interface XSNamedMap
      extends java.util.Map

  Objects implementing the `XSNamedMap` interface are used to represent immutable collections of XML Schema components that can be accessed by name. Note that `XSNamedMap` does not inherit from `XSObjectList`. The `XSObject`s in `XSNamedMap`s are not maintained in any particular order.

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from interface java.util.Map

      `java.util.Map.Entry<K,V>`

  - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `int` | `getLength()` The number of `XSObjects` in the `XSObjectList`.
    `XSObject` | `item(int index)` Returns the `index`th item in the collection or `null` if `index` is greater than or equal to the number of objects in the list.
    `XSObject` | `itemByName(java.lang.String namespace, java.lang.String localName)` Retrieves an `XSObject` specified by local name and namespace URI.

    - ### Methods inherited from interface java.util.Map

      `clear, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, equals, forEach, get, getOrDefault, hashCode, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values`

- - ### Method Detail

    - #### getLength

          int getLength()

      The number of `XSObjects` in the `XSObjectList`. The range of valid child object indices is 0 to `length-1` inclusive.

    - #### item

          XSObject item(int index)

      Returns the `index`th item in the collection or `null` if `index` is greater than or equal to the number of objects in the list. The index starts at 0.
      Parameters:
        `index` - index into the collection.
      Returns:
        The `XSObject` at the `index`th position in the `XSObjectList`, or `null` if the index specified is not valid.

    - #### itemByName

          XSObject itemByName(java.lang.String namespace,
                              java.lang.String localName)

      Retrieves an `XSObject` specified by local name and namespace URI.
      Per XML Namespaces, applications must use the value `null` as the `namespace` parameter for methods if they wish to specify no namespace.
      Parameters:
        `namespace` - The namespace URI of the `XSObject` to retrieve, or `null` if the `XSObject` has no namespace.
        `localName` - The local name of the `XSObject` to retrieve.
      Returns:
        A `XSObject` (of any type) with the specified local name and namespace URI, or `null` if they do not identify any object in this map.

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